Merge branch 'merge' into next
Brings in various bug fixes from 3.6-rcX
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 352f416..98e513b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -239,6 +239,9 @@
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y
+config ARCH_SUPPORTS_UPROBES
+ def_bool y
+
config PPC_ADV_DEBUG_REGS
bool
depends on 40x || BOOKE
diff --git a/arch/powerpc/include/asm/abs_addr.h b/arch/powerpc/include/asm/abs_addr.h
deleted file mode 100644
index 9d92ba0..0000000
--- a/arch/powerpc/include/asm/abs_addr.h
+++ /dev/null
@@ -1,56 +0,0 @@
-#ifndef _ASM_POWERPC_ABS_ADDR_H
-#define _ASM_POWERPC_ABS_ADDR_H
-#ifdef __KERNEL__
-
-
-/*
- * c 2001 PPC 64 Team, IBM Corp
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/memblock.h>
-
-#include <asm/types.h>
-#include <asm/page.h>
-#include <asm/prom.h>
-
-struct mschunks_map {
- unsigned long num_chunks;
- unsigned long chunk_size;
- unsigned long chunk_shift;
- unsigned long chunk_mask;
- u32 *mapping;
-};
-
-extern struct mschunks_map mschunks_map;
-
-/* Chunks are 256 KB */
-#define MSCHUNKS_CHUNK_SHIFT (18)
-#define MSCHUNKS_CHUNK_SIZE (1UL << MSCHUNKS_CHUNK_SHIFT)
-#define MSCHUNKS_OFFSET_MASK (MSCHUNKS_CHUNK_SIZE - 1)
-
-static inline unsigned long chunk_to_addr(unsigned long chunk)
-{
- return chunk << MSCHUNKS_CHUNK_SHIFT;
-}
-
-static inline unsigned long addr_to_chunk(unsigned long addr)
-{
- return addr >> MSCHUNKS_CHUNK_SHIFT;
-}
-
-static inline unsigned long phys_to_abs(unsigned long pa)
-{
- return pa;
-}
-
-/* Convenience macros */
-#define virt_to_abs(va) phys_to_abs(__pa(va))
-#define abs_to_virt(aa) __va(aa)
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_ABS_ADDR_H */
diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h
index ac13add..51fa43e 100644
--- a/arch/powerpc/include/asm/exception-64e.h
+++ b/arch/powerpc/include/asm/exception-64e.h
@@ -37,6 +37,7 @@
* critical data
*/
+#define PACA_EXGDBELL PACA_EXGEN
/* We are out of SPRGs so we save some things in the PACA. The normal
* exception frame is smaller than the CRIT or MC one though
@@ -45,8 +46,9 @@
#define EX_CR (1 * 8)
#define EX_R10 (2 * 8)
#define EX_R11 (3 * 8)
-#define EX_R14 (4 * 8)
-#define EX_R15 (5 * 8)
+#define EX_R13 (4 * 8)
+#define EX_R14 (5 * 8)
+#define EX_R15 (6 * 8)
/*
* The TLB miss exception uses different slots.
diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
index be0171a..7b6feab 100644
--- a/arch/powerpc/include/asm/kprobes.h
+++ b/arch/powerpc/include/asm/kprobes.h
@@ -29,21 +29,16 @@
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
+#include <asm/probes.h>
#define __ARCH_WANT_KPROBES_INSN_SLOT
struct pt_regs;
struct kprobe;
-typedef unsigned int kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */
+typedef ppc_opcode_t kprobe_opcode_t;
#define MAX_INSN_SIZE 1
-#define IS_TW(instr) (((instr) & 0xfc0007fe) == 0x7c000008)
-#define IS_TD(instr) (((instr) & 0xfc0007fe) == 0x7c000088)
-#define IS_TDI(instr) (((instr) & 0xfc000000) == 0x08000000)
-#define IS_TWI(instr) (((instr) & 0xfc000000) == 0x0c000000)
-
#ifdef CONFIG_PPC64
/*
* 64bit powerpc uses function descriptors.
@@ -72,12 +67,6 @@
addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \
} \
}
-
-#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \
- IS_TWI(instr) || IS_TDI(instr))
-#else
-/* Use stock kprobe_lookup_name since ppc32 doesn't use function descriptors */
-#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr))
#endif
#define flush_insn_slot(p) do { } while (0)
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index bfcd00c..88609b2 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -74,7 +74,6 @@
ulong vmhandler;
ulong scratch0;
ulong scratch1;
- ulong sprg3;
u8 in_guest;
u8 restore_hid5;
u8 napping;
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index daf813f..7796519 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -136,6 +136,7 @@
u8 io_sync; /* writel() needs spin_unlock sync */
u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */
u8 nap_state_lost; /* NV GPR values lost in power7_idle */
+ u64 sprg3; /* Saved user-visible sprg */
#ifdef CONFIG_PPC_POWERNV
/* Pointer to OPAL machine check event structure set by the
diff --git a/arch/powerpc/include/asm/probes.h b/arch/powerpc/include/asm/probes.h
new file mode 100644
index 0000000..5f1e15b
--- /dev/null
+++ b/arch/powerpc/include/asm/probes.h
@@ -0,0 +1,42 @@
+#ifndef _ASM_POWERPC_PROBES_H
+#define _ASM_POWERPC_PROBES_H
+#ifdef __KERNEL__
+/*
+ * Definitions common to probes files
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2012
+ */
+#include <linux/types.h>
+
+typedef u32 ppc_opcode_t;
+#define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */
+
+/* Trap definitions per ISA */
+#define IS_TW(instr) (((instr) & 0xfc0007fe) == 0x7c000008)
+#define IS_TD(instr) (((instr) & 0xfc0007fe) == 0x7c000088)
+#define IS_TDI(instr) (((instr) & 0xfc000000) == 0x08000000)
+#define IS_TWI(instr) (((instr) & 0xfc000000) == 0x0c000000)
+
+#ifdef CONFIG_PPC64
+#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \
+ IS_TWI(instr) || IS_TDI(instr))
+#else
+#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr))
+#endif /* CONFIG_PPC64 */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_PROBES_H */
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 54b73a2..7e7fa13 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -219,6 +219,7 @@
#endif /* CONFIG_HAVE_HW_BREAKPOINT */
#endif
unsigned long dabr; /* Data address breakpoint register */
+ unsigned long trap_nr; /* last trap # on this thread */
#ifdef CONFIG_ALTIVEC
/* Complete AltiVec register set */
vector128 vr[32] __attribute__((aligned(16)));
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 6386086..a391244 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -761,7 +761,8 @@
* 64-bit embedded
* - SPRG0 generic exception scratch
* - SPRG2 TLB exception stack
- * - SPRG3 CPU and NUMA node for VDSO getcpu (user visible)
+ * - SPRG3 critical exception scratch and
+ * CPU and NUMA node for VDSO getcpu (user visible)
* - SPRG4 unused (user visible)
* - SPRG6 TLB miss scratch (user visible, sorry !)
* - SPRG7 critical exception scratch
@@ -858,11 +859,12 @@
#ifdef CONFIG_PPC_BOOK3E_64
#define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8
-#define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG7
+#define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG3
#define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9
#define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2
#define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6
#define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0
+#define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH
#define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX
#define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA
@@ -937,7 +939,7 @@
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
-#define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv))
+#define pvr_version_is(pvr) (PVR_VER(mfspr(SPRN_PVR)) == (pvr))
/*
* IBM has further subdivided the standard PowerPC 16-bit version and
@@ -1002,25 +1004,24 @@
#define PVR_476_ISS 0x00052000
/* 64-bit processors */
-/* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
-#define PV_NORTHSTAR 0x0033
-#define PV_PULSAR 0x0034
-#define PV_POWER4 0x0035
-#define PV_ICESTAR 0x0036
-#define PV_SSTAR 0x0037
-#define PV_POWER4p 0x0038
-#define PV_970 0x0039
-#define PV_POWER5 0x003A
-#define PV_POWER5p 0x003B
-#define PV_970FX 0x003C
-#define PV_POWER6 0x003E
-#define PV_POWER7 0x003F
-#define PV_630 0x0040
-#define PV_630p 0x0041
-#define PV_970MP 0x0044
-#define PV_970GX 0x0045
-#define PV_BE 0x0070
-#define PV_PA6T 0x0090
+#define PVR_NORTHSTAR 0x0033
+#define PVR_PULSAR 0x0034
+#define PVR_POWER4 0x0035
+#define PVR_ICESTAR 0x0036
+#define PVR_SSTAR 0x0037
+#define PVR_POWER4p 0x0038
+#define PVR_970 0x0039
+#define PVR_POWER5 0x003A
+#define PVR_POWER5p 0x003B
+#define PVR_970FX 0x003C
+#define PVR_POWER6 0x003E
+#define PVR_POWER7 0x003F
+#define PVR_630 0x0040
+#define PVR_630p 0x0041
+#define PVR_970MP 0x0044
+#define PVR_970GX 0x0045
+#define PVR_BE 0x0070
+#define PVR_PA6T 0x0090
/* Macros for setting and retrieving special purpose registers */
#ifndef __ASSEMBLY__
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index faf9352..e942203 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -102,6 +102,7 @@
#define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */
#define TIF_NOERROR 12 /* Force successful syscall return */
#define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
+#define TIF_UPROBE 14 /* breakpointed or single-stepping */
#define TIF_SYSCALL_TRACEPOINT 15 /* syscall tracepoint instrumentation */
/* as above, but as bit values */
@@ -118,12 +119,13 @@
#define _TIF_RESTOREALL (1<<TIF_RESTOREALL)
#define _TIF_NOERROR (1<<TIF_NOERROR)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
+#define _TIF_UPROBE (1<<TIF_UPROBE)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
_TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT)
#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
- _TIF_NOTIFY_RESUME)
+ _TIF_NOTIFY_RESUME | _TIF_UPROBE)
#define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR)
/* Bits in local_flags */
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h
new file mode 100644
index 0000000..b532060
--- /dev/null
+++ b/arch/powerpc/include/asm/uprobes.h
@@ -0,0 +1,54 @@
+#ifndef _ASM_UPROBES_H
+#define _ASM_UPROBES_H
+/*
+ * User-space Probes (UProbes) for powerpc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2007-2012
+ *
+ * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
+ */
+
+#include <linux/notifier.h>
+#include <asm/probes.h>
+
+typedef ppc_opcode_t uprobe_opcode_t;
+
+#define MAX_UINSN_BYTES 4
+#define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES)
+
+/* The following alias is needed for reference from arch-agnostic code */
+#define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION
+#define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */
+
+struct arch_uprobe {
+ union {
+ u8 insn[MAX_UINSN_BYTES];
+ u32 ainsn;
+ };
+};
+
+struct arch_uprobe_task {
+ unsigned long saved_trap_nr;
+};
+
+extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
+extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
+extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
+extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+#endif /* _ASM_UPROBES_H */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index bb282dd..cde12f8 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -96,6 +96,7 @@
obj-$(CONFIG_BOOTX_TEXT) += btext.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_KPROBES) += kprobes.o
+obj-$(CONFIG_UPROBES) += uprobes.o
obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index e899572..7523539 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -206,6 +206,7 @@
DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time));
DEFINE(PACA_TRAP_SAVE, offsetof(struct paca_struct, trap_save));
DEFINE(PACA_NAPSTATELOST, offsetof(struct paca_struct, nap_state_lost));
+ DEFINE(PACA_SPRG3, offsetof(struct paca_struct, sprg3));
#endif /* CONFIG_PPC64 */
/* RTAS */
@@ -534,7 +535,6 @@
HSTATE_FIELD(HSTATE_VMHANDLER, vmhandler);
HSTATE_FIELD(HSTATE_SCRATCH0, scratch0);
HSTATE_FIELD(HSTATE_SCRATCH1, scratch1);
- HSTATE_FIELD(HSTATE_SPRG3, sprg3);
HSTATE_FIELD(HSTATE_IN_GUEST, in_guest);
HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
HSTATE_FIELD(HSTATE_NAPPING, napping);
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 4694365..a720b54 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -12,6 +12,7 @@
*/
#include <linux/dma-mapping.h>
+#include <linux/memblock.h>
#include <linux/pfn.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
@@ -20,7 +21,6 @@
#include <asm/machdep.h>
#include <asm/swiotlb.h>
#include <asm/dma.h>
-#include <asm/abs_addr.h>
unsigned int ppc_swiotlb_enable;
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 355b9d8..8032b97 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -14,7 +14,6 @@
#include <linux/pci.h>
#include <asm/vio.h>
#include <asm/bug.h>
-#include <asm/abs_addr.h>
#include <asm/machdep.h>
/*
@@ -50,7 +49,7 @@
return NULL;
ret = page_address(page);
memset(ret, 0, size);
- *dma_handle = virt_to_abs(ret) + get_dma_offset(dev);
+ *dma_handle = __pa(ret) + get_dma_offset(dev);
return ret;
#endif
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 98be7f0..87a82fb 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -25,6 +25,8 @@
#include <asm/ppc-opcode.h>
#include <asm/mmu.h>
#include <asm/hw_irq.h>
+#include <asm/kvm_asm.h>
+#include <asm/kvm_booke_hv_asm.h>
/* XXX This will ultimately add space for a special exception save
* structure used to save things like SRR0/SRR1, SPRGs, MAS, etc...
@@ -35,16 +37,18 @@
#define SPECIAL_EXC_FRAME_SIZE INT_FRAME_SIZE
/* Exception prolog code for all exceptions */
-#define EXCEPTION_PROLOG(n, type, addition) \
+#define EXCEPTION_PROLOG(n, intnum, type, addition) \
mtspr SPRN_SPRG_##type##_SCRATCH,r13; /* get spare registers */ \
mfspr r13,SPRN_SPRG_PACA; /* get PACA */ \
std r10,PACA_EX##type+EX_R10(r13); \
std r11,PACA_EX##type+EX_R11(r13); \
+ PROLOG_STORE_RESTORE_SCRATCH_##type; \
mfcr r10; /* save CR */ \
+ mfspr r11,SPRN_##type##_SRR1;/* what are we coming from */ \
+ DO_KVM intnum,SPRN_##type##_SRR1; /* KVM hook */ \
+ stw r10,PACA_EX##type+EX_CR(r13); /* save old CR in the PACA */ \
addition; /* additional code for that exc. */ \
std r1,PACA_EX##type+EX_R1(r13); /* save old r1 in the PACA */ \
- stw r10,PACA_EX##type+EX_CR(r13); /* save old CR in the PACA */ \
- mfspr r11,SPRN_##type##_SRR1;/* what are we coming from */ \
type##_SET_KSTACK; /* get special stack if necessary */\
andi. r10,r11,MSR_PR; /* save stack pointer */ \
beq 1f; /* branch around if supervisor */ \
@@ -59,6 +63,10 @@
#define SPRN_GEN_SRR0 SPRN_SRR0
#define SPRN_GEN_SRR1 SPRN_SRR1
+#define GDBELL_SET_KSTACK GEN_SET_KSTACK
+#define SPRN_GDBELL_SRR0 SPRN_GSRR0
+#define SPRN_GDBELL_SRR1 SPRN_GSRR1
+
#define CRIT_SET_KSTACK \
ld r1,PACA_CRIT_STACK(r13); \
subi r1,r1,SPECIAL_EXC_FRAME_SIZE;
@@ -77,29 +85,46 @@
#define SPRN_MC_SRR0 SPRN_MCSRR0
#define SPRN_MC_SRR1 SPRN_MCSRR1
-#define NORMAL_EXCEPTION_PROLOG(n, addition) \
- EXCEPTION_PROLOG(n, GEN, addition##_GEN(n))
+#define NORMAL_EXCEPTION_PROLOG(n, intnum, addition) \
+ EXCEPTION_PROLOG(n, intnum, GEN, addition##_GEN(n))
-#define CRIT_EXCEPTION_PROLOG(n, addition) \
- EXCEPTION_PROLOG(n, CRIT, addition##_CRIT(n))
+#define CRIT_EXCEPTION_PROLOG(n, intnum, addition) \
+ EXCEPTION_PROLOG(n, intnum, CRIT, addition##_CRIT(n))
-#define DBG_EXCEPTION_PROLOG(n, addition) \
- EXCEPTION_PROLOG(n, DBG, addition##_DBG(n))
+#define DBG_EXCEPTION_PROLOG(n, intnum, addition) \
+ EXCEPTION_PROLOG(n, intnum, DBG, addition##_DBG(n))
-#define MC_EXCEPTION_PROLOG(n, addition) \
- EXCEPTION_PROLOG(n, MC, addition##_MC(n))
+#define MC_EXCEPTION_PROLOG(n, intnum, addition) \
+ EXCEPTION_PROLOG(n, intnum, MC, addition##_MC(n))
+#define GDBELL_EXCEPTION_PROLOG(n, intnum, addition) \
+ EXCEPTION_PROLOG(n, intnum, GDBELL, addition##_GDBELL(n))
+
+/*
+ * Store user-visible scratch in PACA exception slots and restore proper value
+ */
+#define PROLOG_STORE_RESTORE_SCRATCH_GEN
+#define PROLOG_STORE_RESTORE_SCRATCH_GDBELL
+#define PROLOG_STORE_RESTORE_SCRATCH_DBG
+#define PROLOG_STORE_RESTORE_SCRATCH_MC
+
+#define PROLOG_STORE_RESTORE_SCRATCH_CRIT \
+ mfspr r10,SPRN_SPRG_CRIT_SCRATCH; /* get r13 */ \
+ std r10,PACA_EXCRIT+EX_R13(r13); \
+ ld r11,PACA_SPRG3(r13); \
+ mtspr SPRN_SPRG_CRIT_SCRATCH,r11;
/* Variants of the "addition" argument for the prolog
*/
#define PROLOG_ADDITION_NONE_GEN(n)
+#define PROLOG_ADDITION_NONE_GDBELL(n)
#define PROLOG_ADDITION_NONE_CRIT(n)
#define PROLOG_ADDITION_NONE_DBG(n)
#define PROLOG_ADDITION_NONE_MC(n)
#define PROLOG_ADDITION_MASKABLE_GEN(n) \
- lbz r11,PACASOFTIRQEN(r13); /* are irqs soft-disabled ? */ \
- cmpwi cr0,r11,0; /* yes -> go out of line */ \
+ lbz r10,PACASOFTIRQEN(r13); /* are irqs soft-disabled ? */ \
+ cmpwi cr0,r10,0; /* yes -> go out of line */ \
beq masked_interrupt_book3e_##n
#define PROLOG_ADDITION_2REGS_GEN(n) \
@@ -233,9 +258,9 @@
1:
-#define MASKABLE_EXCEPTION(trapnum, label, hdlr, ack) \
+#define MASKABLE_EXCEPTION(trapnum, intnum, label, hdlr, ack) \
START_EXCEPTION(label); \
- NORMAL_EXCEPTION_PROLOG(trapnum, PROLOG_ADDITION_MASKABLE) \
+ NORMAL_EXCEPTION_PROLOG(trapnum, intnum, PROLOG_ADDITION_MASKABLE)\
EXCEPTION_COMMON(trapnum, PACA_EXGEN, INTS_DISABLE) \
ack(r8); \
CHECK_NAPPING(); \
@@ -286,7 +311,8 @@
/* Critical Input Interrupt */
START_EXCEPTION(critical_input);
- CRIT_EXCEPTION_PROLOG(0x100, PROLOG_ADDITION_NONE)
+ CRIT_EXCEPTION_PROLOG(0x100, BOOKE_INTERRUPT_CRITICAL,
+ PROLOG_ADDITION_NONE)
// EXCEPTION_COMMON(0x100, PACA_EXCRIT, INTS_DISABLE)
// bl special_reg_save_crit
// CHECK_NAPPING();
@@ -297,7 +323,8 @@
/* Machine Check Interrupt */
START_EXCEPTION(machine_check);
- CRIT_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE)
+ MC_EXCEPTION_PROLOG(0x200, BOOKE_INTERRUPT_MACHINE_CHECK,
+ PROLOG_ADDITION_NONE)
// EXCEPTION_COMMON(0x200, PACA_EXMC, INTS_DISABLE)
// bl special_reg_save_mc
// addi r3,r1,STACK_FRAME_OVERHEAD
@@ -308,7 +335,8 @@
/* Data Storage Interrupt */
START_EXCEPTION(data_storage)
- NORMAL_EXCEPTION_PROLOG(0x300, PROLOG_ADDITION_2REGS)
+ NORMAL_EXCEPTION_PROLOG(0x300, BOOKE_INTERRUPT_DATA_STORAGE,
+ PROLOG_ADDITION_2REGS)
mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR
EXCEPTION_COMMON(0x300, PACA_EXGEN, INTS_DISABLE)
@@ -316,18 +344,21 @@
/* Instruction Storage Interrupt */
START_EXCEPTION(instruction_storage);
- NORMAL_EXCEPTION_PROLOG(0x400, PROLOG_ADDITION_2REGS)
+ NORMAL_EXCEPTION_PROLOG(0x400, BOOKE_INTERRUPT_INST_STORAGE,
+ PROLOG_ADDITION_2REGS)
li r15,0
mr r14,r10
EXCEPTION_COMMON(0x400, PACA_EXGEN, INTS_DISABLE)
b storage_fault_common
/* External Input Interrupt */
- MASKABLE_EXCEPTION(0x500, external_input, .do_IRQ, ACK_NONE)
+ MASKABLE_EXCEPTION(0x500, BOOKE_INTERRUPT_EXTERNAL,
+ external_input, .do_IRQ, ACK_NONE)
/* Alignment */
START_EXCEPTION(alignment);
- NORMAL_EXCEPTION_PROLOG(0x600, PROLOG_ADDITION_2REGS)
+ NORMAL_EXCEPTION_PROLOG(0x600, BOOKE_INTERRUPT_ALIGNMENT,
+ PROLOG_ADDITION_2REGS)
mfspr r14,SPRN_DEAR
mfspr r15,SPRN_ESR
EXCEPTION_COMMON(0x600, PACA_EXGEN, INTS_KEEP)
@@ -335,7 +366,8 @@
/* Program Interrupt */
START_EXCEPTION(program);
- NORMAL_EXCEPTION_PROLOG(0x700, PROLOG_ADDITION_1REG)
+ NORMAL_EXCEPTION_PROLOG(0x700, BOOKE_INTERRUPT_PROGRAM,
+ PROLOG_ADDITION_1REG)
mfspr r14,SPRN_ESR
EXCEPTION_COMMON(0x700, PACA_EXGEN, INTS_DISABLE)
std r14,_DSISR(r1)
@@ -347,7 +379,8 @@
/* Floating Point Unavailable Interrupt */
START_EXCEPTION(fp_unavailable);
- NORMAL_EXCEPTION_PROLOG(0x800, PROLOG_ADDITION_NONE)
+ NORMAL_EXCEPTION_PROLOG(0x800, BOOKE_INTERRUPT_FP_UNAVAIL,
+ PROLOG_ADDITION_NONE)
/* we can probably do a shorter exception entry for that one... */
EXCEPTION_COMMON(0x800, PACA_EXGEN, INTS_KEEP)
ld r12,_MSR(r1)
@@ -362,14 +395,17 @@
b .ret_from_except
/* Decrementer Interrupt */
- MASKABLE_EXCEPTION(0x900, decrementer, .timer_interrupt, ACK_DEC)
+ MASKABLE_EXCEPTION(0x900, BOOKE_INTERRUPT_DECREMENTER,
+ decrementer, .timer_interrupt, ACK_DEC)
/* Fixed Interval Timer Interrupt */
- MASKABLE_EXCEPTION(0x980, fixed_interval, .unknown_exception, ACK_FIT)
+ MASKABLE_EXCEPTION(0x980, BOOKE_INTERRUPT_FIT,
+ fixed_interval, .unknown_exception, ACK_FIT)
/* Watchdog Timer Interrupt */
START_EXCEPTION(watchdog);
- CRIT_EXCEPTION_PROLOG(0x9f0, PROLOG_ADDITION_NONE)
+ CRIT_EXCEPTION_PROLOG(0x9f0, BOOKE_INTERRUPT_WATCHDOG,
+ PROLOG_ADDITION_NONE)
// EXCEPTION_COMMON(0x9f0, PACA_EXCRIT, INTS_DISABLE)
// bl special_reg_save_crit
// CHECK_NAPPING();
@@ -388,7 +424,8 @@
/* Auxiliary Processor Unavailable Interrupt */
START_EXCEPTION(ap_unavailable);
- NORMAL_EXCEPTION_PROLOG(0xf20, PROLOG_ADDITION_NONE)
+ NORMAL_EXCEPTION_PROLOG(0xf20, BOOKE_INTERRUPT_AP_UNAVAIL,
+ PROLOG_ADDITION_NONE)
EXCEPTION_COMMON(0xf20, PACA_EXGEN, INTS_DISABLE)
bl .save_nvgprs
addi r3,r1,STACK_FRAME_OVERHEAD
@@ -397,7 +434,8 @@
/* Debug exception as a critical interrupt*/
START_EXCEPTION(debug_crit);
- CRIT_EXCEPTION_PROLOG(0xd00, PROLOG_ADDITION_2REGS)
+ CRIT_EXCEPTION_PROLOG(0xd00, BOOKE_INTERRUPT_DEBUG,
+ PROLOG_ADDITION_2REGS)
/*
* If there is a single step or branch-taken exception in an
@@ -431,7 +469,7 @@
mtcr r10
ld r10,PACA_EXCRIT+EX_R10(r13) /* restore registers */
ld r11,PACA_EXCRIT+EX_R11(r13)
- mfspr r13,SPRN_SPRG_CRIT_SCRATCH
+ ld r13,PACA_EXCRIT+EX_R13(r13)
rfci
/* Normal debug exception */
@@ -444,7 +482,7 @@
/* Now we mash up things to make it look like we are coming on a
* normal exception
*/
- mfspr r15,SPRN_SPRG_CRIT_SCRATCH
+ ld r15,PACA_EXCRIT+EX_R13(r13)
mtspr SPRN_SPRG_GEN_SCRATCH,r15
mfspr r14,SPRN_DBSR
EXCEPTION_COMMON(0xd00, PACA_EXCRIT, INTS_DISABLE)
@@ -462,7 +500,8 @@
/* Debug exception as a debug interrupt*/
START_EXCEPTION(debug_debug);
- DBG_EXCEPTION_PROLOG(0xd08, PROLOG_ADDITION_2REGS)
+ DBG_EXCEPTION_PROLOG(0xd00, BOOKE_INTERRUPT_DEBUG,
+ PROLOG_ADDITION_2REGS)
/*
* If there is a single step or branch-taken exception in an
@@ -523,18 +562,21 @@
b .ret_from_except
START_EXCEPTION(perfmon);
- NORMAL_EXCEPTION_PROLOG(0x260, PROLOG_ADDITION_NONE)
+ NORMAL_EXCEPTION_PROLOG(0x260, BOOKE_INTERRUPT_PERFORMANCE_MONITOR,
+ PROLOG_ADDITION_NONE)
EXCEPTION_COMMON(0x260, PACA_EXGEN, INTS_DISABLE)
addi r3,r1,STACK_FRAME_OVERHEAD
bl .performance_monitor_exception
b .ret_from_except_lite
/* Doorbell interrupt */
- MASKABLE_EXCEPTION(0x280, doorbell, .doorbell_exception, ACK_NONE)
+ MASKABLE_EXCEPTION(0x280, BOOKE_INTERRUPT_DOORBELL,
+ doorbell, .doorbell_exception, ACK_NONE)
/* Doorbell critical Interrupt */
START_EXCEPTION(doorbell_crit);
- CRIT_EXCEPTION_PROLOG(0x2a0, PROLOG_ADDITION_NONE)
+ CRIT_EXCEPTION_PROLOG(0x2a0, BOOKE_INTERRUPT_DOORBELL_CRITICAL,
+ PROLOG_ADDITION_NONE)
// EXCEPTION_COMMON(0x2a0, PACA_EXCRIT, INTS_DISABLE)
// bl special_reg_save_crit
// CHECK_NAPPING();
@@ -543,12 +585,24 @@
// b ret_from_crit_except
b .
-/* Guest Doorbell */
- MASKABLE_EXCEPTION(0x2c0, guest_doorbell, .unknown_exception, ACK_NONE)
+/*
+ * Guest doorbell interrupt
+ * This general exception use GSRRx save/restore registers
+ */
+ START_EXCEPTION(guest_doorbell);
+ GDBELL_EXCEPTION_PROLOG(0x2c0, BOOKE_INTERRUPT_GUEST_DBELL,
+ PROLOG_ADDITION_NONE)
+ EXCEPTION_COMMON(0x2c0, PACA_EXGEN, INTS_KEEP)
+ addi r3,r1,STACK_FRAME_OVERHEAD
+ bl .save_nvgprs
+ INTS_RESTORE_HARD
+ bl .unknown_exception
+ b .ret_from_except
/* Guest Doorbell critical Interrupt */
START_EXCEPTION(guest_doorbell_crit);
- CRIT_EXCEPTION_PROLOG(0x2e0, PROLOG_ADDITION_NONE)
+ CRIT_EXCEPTION_PROLOG(0x2e0, BOOKE_INTERRUPT_GUEST_DBELL_CRIT,
+ PROLOG_ADDITION_NONE)
// EXCEPTION_COMMON(0x2e0, PACA_EXCRIT, INTS_DISABLE)
// bl special_reg_save_crit
// CHECK_NAPPING();
@@ -559,7 +613,8 @@
/* Hypervisor call */
START_EXCEPTION(hypercall);
- NORMAL_EXCEPTION_PROLOG(0x310, PROLOG_ADDITION_NONE)
+ NORMAL_EXCEPTION_PROLOG(0x310, BOOKE_INTERRUPT_HV_SYSCALL,
+ PROLOG_ADDITION_NONE)
EXCEPTION_COMMON(0x310, PACA_EXGEN, INTS_KEEP)
addi r3,r1,STACK_FRAME_OVERHEAD
bl .save_nvgprs
@@ -569,7 +624,8 @@
/* Embedded Hypervisor priviledged */
START_EXCEPTION(ehpriv);
- NORMAL_EXCEPTION_PROLOG(0x320, PROLOG_ADDITION_NONE)
+ NORMAL_EXCEPTION_PROLOG(0x320, BOOKE_INTERRUPT_HV_PRIV,
+ PROLOG_ADDITION_NONE)
EXCEPTION_COMMON(0x320, PACA_EXGEN, INTS_KEEP)
addi r3,r1,STACK_FRAME_OVERHEAD
bl .save_nvgprs
@@ -582,44 +638,42 @@
* accordingly and if the interrupt is level sensitive, we hard disable
*/
-masked_interrupt_book3e_0x500:
- /* XXX When adding support for EPR, use PACA_IRQ_EE_EDGE */
- li r11,PACA_IRQ_EE
- b masked_interrupt_book3e_full_mask
-
-masked_interrupt_book3e_0x900:
- ACK_DEC(r11);
- li r11,PACA_IRQ_DEC
- b masked_interrupt_book3e_no_mask
-masked_interrupt_book3e_0x980:
- ACK_FIT(r11);
- li r11,PACA_IRQ_DEC
- b masked_interrupt_book3e_no_mask
-masked_interrupt_book3e_0x280:
-masked_interrupt_book3e_0x2c0:
- li r11,PACA_IRQ_DBELL
- b masked_interrupt_book3e_no_mask
-
-masked_interrupt_book3e_no_mask:
- mtcr r10
+.macro masked_interrupt_book3e paca_irq full_mask
lbz r10,PACAIRQHAPPENED(r13)
- or r10,r10,r11
+ ori r10,r10,\paca_irq
stb r10,PACAIRQHAPPENED(r13)
- b 1f
-masked_interrupt_book3e_full_mask:
- mtcr r10
- lbz r10,PACAIRQHAPPENED(r13)
- or r10,r10,r11
- stb r10,PACAIRQHAPPENED(r13)
- mfspr r10,SPRN_SRR1
- rldicl r11,r10,48,1 /* clear MSR_EE */
- rotldi r10,r11,16
- mtspr SPRN_SRR1,r10
-1: ld r10,PACA_EXGEN+EX_R10(r13);
- ld r11,PACA_EXGEN+EX_R11(r13);
- mfspr r13,SPRN_SPRG_GEN_SCRATCH;
+
+ .if \full_mask == 1
+ rldicl r10,r11,48,1 /* clear MSR_EE */
+ rotldi r11,r10,16
+ mtspr SPRN_SRR1,r11
+ .endif
+
+ lwz r11,PACA_EXGEN+EX_CR(r13)
+ mtcr r11
+ ld r10,PACA_EXGEN+EX_R10(r13)
+ ld r11,PACA_EXGEN+EX_R11(r13)
+ mfspr r13,SPRN_SPRG_GEN_SCRATCH
rfi
b .
+.endm
+
+masked_interrupt_book3e_0x500:
+ // XXX When adding support for EPR, use PACA_IRQ_EE_EDGE
+ masked_interrupt_book3e PACA_IRQ_EE 1
+
+masked_interrupt_book3e_0x900:
+ ACK_DEC(r10);
+ masked_interrupt_book3e PACA_IRQ_DEC 0
+
+masked_interrupt_book3e_0x980:
+ ACK_FIT(r10);
+ masked_interrupt_book3e PACA_IRQ_DEC 0
+
+masked_interrupt_book3e_0x280:
+masked_interrupt_book3e_0x2c0:
+ masked_interrupt_book3e PACA_IRQ_DBELL 0
+
/*
* Called from arch_local_irq_enable when an interrupt needs
* to be resent. r3 contains either 0x500,0x900,0x260 or 0x280
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index b01d14e..8220baa 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -47,7 +47,6 @@
#include <linux/stat.h>
#include <linux/of_platform.h>
#include <asm/ibmebus.h>
-#include <asm/abs_addr.h>
static struct device ibmebus_bus_device = { /* fake "parent" device */
.init_name = "ibmebus",
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1a1f2dd..2e743de 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -258,6 +258,7 @@
{
siginfo_t info;
+ current->thread.trap_nr = signal_code;
if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code,
11, SIGSEGV) == NOTIFY_STOP)
return;
@@ -275,6 +276,7 @@
{
siginfo_t info;
+ current->thread.trap_nr = TRAP_HWBKPT;
if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code,
11, SIGSEGV) == NOTIFY_STOP)
return;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 0794a30..ce68278 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1691,7 +1691,7 @@
* else will impact performance, so we always allocate 8MB.
* Anton
*/
- if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p))
+ if (pvr_version_is(PVR_POWER4) || pvr_version_is(PVR_POWER4p))
minsize = 8UL << 20;
else
minsize = 4UL << 20;
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2c0ee64..20b0120 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -21,7 +21,6 @@
#include <asm/delay.h>
#include <asm/uaccess.h>
#include <asm/rtas.h>
-#include <asm/abs_addr.h>
#define MODULE_VERS "1.0"
#define MODULE_NAME "rtas_flash"
@@ -582,7 +581,7 @@
flist = (struct flash_block_list *)&rtas_data_buf[0];
flist->num_blocks = 0;
flist->next = rtas_firmware_flash_list;
- rtas_block_list = virt_to_abs(flist);
+ rtas_block_list = __pa(flist);
if (rtas_block_list >= 4UL*1024*1024*1024) {
printk(KERN_ALERT "FLASH: kernel bug...flash list header addr above 4GB\n");
spin_unlock(&rtas_data_buf_lock);
@@ -596,13 +595,13 @@
for (f = flist; f; f = next) {
/* Translate data addrs to absolute */
for (i = 0; i < f->num_blocks; i++) {
- f->blocks[i].data = (char *)virt_to_abs(f->blocks[i].data);
+ f->blocks[i].data = (char *)__pa(f->blocks[i].data);
image_size += f->blocks[i].length;
}
next = f->next;
/* Don't translate NULL pointer for last entry */
if (f->next)
- f->next = (struct flash_block_list *)virt_to_abs(f->next);
+ f->next = (struct flash_block_list *)__pa(f->next);
else
f->next = NULL;
/* make num_blocks into the version/length field */
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 5c023c9..29be271 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -11,6 +11,7 @@
#include <linux/tracehook.h>
#include <linux/signal.h>
+#include <linux/uprobes.h>
#include <linux/key.h>
#include <asm/hw_breakpoint.h>
#include <asm/uaccess.h>
@@ -157,6 +158,11 @@
void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
{
+ if (thread_info_flags & _TIF_UPROBE) {
+ clear_thread_flag(TIF_UPROBE);
+ uprobe_notify_resume(regs);
+ }
+
if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs);
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index ae0843f..3251840 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -251,6 +251,7 @@
if (arch_irqs_disabled() && !arch_irq_disabled_regs(regs))
local_irq_enable();
+ current->thread.trap_nr = code;
memset(&info, 0, sizeof(info));
info.si_signo = signr;
info.si_code = code;
diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c
new file mode 100644
index 0000000..d2d46d1
--- /dev/null
+++ b/arch/powerpc/kernel/uprobes.c
@@ -0,0 +1,184 @@
+/*
+ * User-space Probes (UProbes) for powerpc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2007-2012
+ *
+ * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/uprobes.h>
+#include <linux/uaccess.h>
+#include <linux/kdebug.h>
+
+#include <asm/sstep.h>
+
+#define UPROBE_TRAP_NR UINT_MAX
+
+/**
+ * arch_uprobe_analyze_insn
+ * @mm: the probed address space.
+ * @arch_uprobe: the probepoint information.
+ * @addr: vaddr to probe.
+ * Return 0 on success or a -ve number on error.
+ */
+int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe,
+ struct mm_struct *mm, unsigned long addr)
+{
+ if (addr & 0x03)
+ return -EINVAL;
+
+ /*
+ * We currently don't support a uprobe on an already
+ * existing breakpoint instruction underneath
+ */
+ if (is_trap(auprobe->ainsn))
+ return -ENOTSUPP;
+ return 0;
+}
+
+/*
+ * arch_uprobe_pre_xol - prepare to execute out of line.
+ * @auprobe: the probepoint information.
+ * @regs: reflects the saved user state of current task.
+ */
+int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
+{
+ struct arch_uprobe_task *autask = ¤t->utask->autask;
+
+ autask->saved_trap_nr = current->thread.trap_nr;
+ current->thread.trap_nr = UPROBE_TRAP_NR;
+ regs->nip = current->utask->xol_vaddr;
+ return 0;
+}
+
+/**
+ * uprobe_get_swbp_addr - compute address of swbp given post-swbp regs
+ * @regs: Reflects the saved state of the task after it has hit a breakpoint
+ * instruction.
+ * Return the address of the breakpoint instruction.
+ */
+unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)
+{
+ return instruction_pointer(regs);
+}
+
+/*
+ * If xol insn itself traps and generates a signal (SIGILL/SIGSEGV/etc),
+ * then detect the case where a singlestepped instruction jumps back to its
+ * own address. It is assumed that anything like do_page_fault/do_trap/etc
+ * sets thread.trap_nr != UINT_MAX.
+ *
+ * arch_uprobe_pre_xol/arch_uprobe_post_xol save/restore thread.trap_nr,
+ * arch_uprobe_xol_was_trapped() simply checks that ->trap_nr is not equal to
+ * UPROBE_TRAP_NR == UINT_MAX set by arch_uprobe_pre_xol().
+ */
+bool arch_uprobe_xol_was_trapped(struct task_struct *t)
+{
+ if (t->thread.trap_nr != UPROBE_TRAP_NR)
+ return true;
+
+ return false;
+}
+
+/*
+ * Called after single-stepping. To avoid the SMP problems that can
+ * occur when we temporarily put back the original opcode to
+ * single-step, we single-stepped a copy of the instruction.
+ *
+ * This function prepares to resume execution after the single-step.
+ */
+int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
+{
+ struct uprobe_task *utask = current->utask;
+
+ WARN_ON_ONCE(current->thread.trap_nr != UPROBE_TRAP_NR);
+
+ current->thread.trap_nr = utask->autask.saved_trap_nr;
+
+ /*
+ * On powerpc, except for loads and stores, most instructions
+ * including ones that alter code flow (branches, calls, returns)
+ * are emulated in the kernel. We get here only if the emulation
+ * support doesn't exist and have to fix-up the next instruction
+ * to be executed.
+ */
+ regs->nip = utask->vaddr + MAX_UINSN_BYTES;
+ return 0;
+}
+
+/* callback routine for handling exceptions. */
+int arch_uprobe_exception_notify(struct notifier_block *self,
+ unsigned long val, void *data)
+{
+ struct die_args *args = data;
+ struct pt_regs *regs = args->regs;
+
+ /* regs == NULL is a kernel bug */
+ if (WARN_ON(!regs))
+ return NOTIFY_DONE;
+
+ /* We are only interested in userspace traps */
+ if (!user_mode(regs))
+ return NOTIFY_DONE;
+
+ switch (val) {
+ case DIE_BPT:
+ if (uprobe_pre_sstep_notifier(regs))
+ return NOTIFY_STOP;
+ break;
+ case DIE_SSTEP:
+ if (uprobe_post_sstep_notifier(regs))
+ return NOTIFY_STOP;
+ default:
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+/*
+ * This function gets called when XOL instruction either gets trapped or
+ * the thread has a fatal signal, so reset the instruction pointer to its
+ * probed address.
+ */
+void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
+{
+ struct uprobe_task *utask = current->utask;
+
+ current->thread.trap_nr = utask->autask.saved_trap_nr;
+ instruction_pointer_set(regs, utask->vaddr);
+}
+
+/*
+ * See if the instruction can be emulated.
+ * Returns true if instruction was emulated, false otherwise.
+ */
+bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs)
+{
+ int ret;
+
+ /*
+ * emulate_step() returns 1 if the insn was successfully emulated.
+ * For all other cases, we need to single-step in hardware.
+ */
+ ret = emulate_step(regs, auprobe->ainsn);
+ if (ret > 0)
+ return true;
+
+ return false;
+}
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index b67db22..1b2076f 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -723,9 +723,7 @@
val = (cpu & 0xfff) | ((node & 0xffff) << 16);
mtspr(SPRN_SPRG3, val);
-#ifdef CONFIG_KVM_BOOK3S_HANDLER
- get_paca()->kvm_hstate.sprg3 = val;
-#endif
+ get_paca()->sprg3 = val;
put_cpu();
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 02b3221..201ba59 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -33,7 +33,6 @@
#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/tce.h>
-#include <asm/abs_addr.h>
#include <asm/page.h>
#include <asm/hvcall.h>
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 44b72fe..74a24bb 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1065,7 +1065,7 @@
mtspr SPRN_DABRX,r6
/* Restore SPRG3 */
- ld r3,HSTATE_SPRG3(r13)
+ ld r3,PACA_SPRG3(r13)
mtspr SPRN_SPRG3,r3
/*
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 08ffcf5..995f924 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -133,6 +133,7 @@
up_read(¤t->mm->mmap_sem);
if (user_mode(regs)) {
+ current->thread.trap_nr = BUS_ADRERR;
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRERR;
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 90039bc..f21e8ce 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -14,10 +14,10 @@
#include <linux/spinlock.h>
#include <linux/bitops.h>
+#include <linux/of.h>
#include <linux/threads.h>
#include <linux/smp.h>
-#include <asm/abs_addr.h>
#include <asm/machdep.h>
#include <asm/mmu.h>
#include <asm/mmu_context.h>
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 377e5cb..ba45739b 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -43,7 +43,6 @@
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/prom.h>
-#include <asm/abs_addr.h>
#include <asm/tlbflush.h>
#include <asm/io.h>
#include <asm/eeh.h>
@@ -651,7 +650,7 @@
DBG("Hash table allocated at %lx, size: %lx\n", table,
htab_size_bytes);
- htab_address = abs_to_virt(table);
+ htab_address = __va(table);
/* htab absolute addr + encoded htabsize */
_SDR1 = table + __ilog2(pteg_count) - 11;
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 620b7ac..95a4529 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -62,7 +62,6 @@
#include <asm/cputable.h>
#include <asm/sections.h>
#include <asm/iommu.h>
-#include <asm/abs_addr.h>
#include <asm/vdso.h>
#include "mmu_decl.h"
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 249a063..297d495 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -51,7 +51,6 @@
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/sections.h>
-#include <asm/abs_addr.h>
#include <asm/firmware.h>
#include "mmu_decl.h"
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index 9106ebb..3f8efa6 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -20,7 +20,6 @@
#include <asm/paca.h>
#include <asm/cputable.h>
#include <asm/prom.h>
-#include <asm/abs_addr.h>
struct stab_entry {
unsigned long esid_data;
@@ -257,7 +256,7 @@
memset((void *)newstab, 0, HW_PAGE_SIZE);
paca[cpu].stab_addr = newstab;
- paca[cpu].stab_real = virt_to_abs(newstab);
+ paca[cpu].stab_real = __pa(newstab);
printk(KERN_INFO "Segment table for CPU %d at 0x%llx "
"virtual, 0x%llx absolute\n",
cpu, paca[cpu].stab_addr, paca[cpu].stab_real);
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index f09d48e..b4113bf8 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -20,6 +20,8 @@
#include <asm/pgtable.h>
#include <asm/exception-64e.h>
#include <asm/ppc-opcode.h>
+#include <asm/kvm_asm.h>
+#include <asm/kvm_booke_hv_asm.h>
#ifdef CONFIG_PPC_64K_PAGES
#define VPTE_PMD_SHIFT (PTE_INDEX_SIZE+1)
@@ -37,12 +39,18 @@
* *
**********************************************************************/
-.macro tlb_prolog_bolted addr
- mtspr SPRN_SPRG_TLB_SCRATCH,r13
+.macro tlb_prolog_bolted intnum addr
+ mtspr SPRN_SPRG_GEN_SCRATCH,r13
mfspr r13,SPRN_SPRG_PACA
std r10,PACA_EXTLB+EX_TLB_R10(r13)
mfcr r10
std r11,PACA_EXTLB+EX_TLB_R11(r13)
+#ifdef CONFIG_KVM_BOOKE_HV
+BEGIN_FTR_SECTION
+ mfspr r11, SPRN_SRR1
+END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
+#endif
+ DO_KVM \intnum, SPRN_SRR1
std r16,PACA_EXTLB+EX_TLB_R16(r13)
mfspr r16,\addr /* get faulting address */
std r14,PACA_EXTLB+EX_TLB_R14(r13)
@@ -61,12 +69,12 @@
ld r15,PACA_EXTLB+EX_TLB_R15(r13)
TLB_MISS_RESTORE_STATS_BOLTED
ld r16,PACA_EXTLB+EX_TLB_R16(r13)
- mfspr r13,SPRN_SPRG_TLB_SCRATCH
+ mfspr r13,SPRN_SPRG_GEN_SCRATCH
.endm
/* Data TLB miss */
START_EXCEPTION(data_tlb_miss_bolted)
- tlb_prolog_bolted SPRN_DEAR
+ tlb_prolog_bolted BOOKE_INTERRUPT_DTLB_MISS SPRN_DEAR
/* We need _PAGE_PRESENT and _PAGE_ACCESSED set */
@@ -214,7 +222,7 @@
/* Instruction TLB miss */
START_EXCEPTION(instruction_tlb_miss_bolted)
- tlb_prolog_bolted SPRN_SRR0
+ tlb_prolog_bolted BOOKE_INTERRUPT_ITLB_MISS SPRN_SRR0
rldicl. r10,r16,64-PGTABLE_EADDR_SIZE,PGTABLE_EADDR_SIZE+4
srdi r15,r16,60 /* get region */
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 95ae77d..caffffa 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -61,10 +61,10 @@
else
mmcr0_val |= MMCR0_PROBLEM_DISABLE;
- if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p) ||
- __is_processor(PV_970) || __is_processor(PV_970FX) ||
- __is_processor(PV_970MP) || __is_processor(PV_970GX) ||
- __is_processor(PV_POWER5) || __is_processor(PV_POWER5p))
+ if (pvr_version_is(PVR_POWER4) || pvr_version_is(PVR_POWER4p) ||
+ pvr_version_is(PVR_970) || pvr_version_is(PVR_970FX) ||
+ pvr_version_is(PVR_970MP) || pvr_version_is(PVR_970GX) ||
+ pvr_version_is(PVR_POWER5) || pvr_version_is(PVR_POWER5p))
use_slot_nums = 1;
return 0;
@@ -84,9 +84,9 @@
*/
static inline int mmcra_must_set_sample(void)
{
- if (__is_processor(PV_POWER4) || __is_processor(PV_POWER4p) ||
- __is_processor(PV_970) || __is_processor(PV_970FX) ||
- __is_processor(PV_970MP) || __is_processor(PV_970GX))
+ if (pvr_version_is(PVR_POWER4) || pvr_version_is(PVR_POWER4p) ||
+ pvr_version_is(PVR_970) || pvr_version_is(PVR_970FX) ||
+ pvr_version_is(PVR_970MP) || pvr_version_is(PVR_970GX))
return 1;
return 0;
@@ -276,7 +276,7 @@
* PMCs because a user might set a period of less than 256 and we
* don't want to mistakenly reset them.
*/
- if (__is_processor(PV_POWER7) && ((0x80000000 - val) <= 256))
+ if (pvr_version_is(PVR_POWER7) && ((0x80000000 - val) <= 256))
return true;
return false;
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 7cd2dbd..fb55da9 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -1396,7 +1396,7 @@
* PMCs because a user might set a period of less than 256 and we
* don't want to mistakenly reset them.
*/
- if (__is_processor(PV_POWER7) && ((0x80000000 - val) <= 256))
+ if (pvr_version_is(PVR_POWER7) && ((0x80000000 - val) <= 256))
return true;
return false;
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 14943ef..7d2d036 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -19,12 +19,12 @@
#undef DEBUG
+#include <linux/memblock.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/pci.h>
#include <asm/iommu.h>
#include <asm/machdep.h>
-#include <asm/abs_addr.h>
#include <asm/firmware.h>
#define IOBMAP_PAGE_SHIFT 12
@@ -99,7 +99,7 @@
ip = ((u32 *)tbl->it_base) + index;
while (npages--) {
- rpn = virt_to_abs(uaddr) >> IOBMAP_PAGE_SHIFT;
+ rpn = __pa(uaddr) >> IOBMAP_PAGE_SHIFT;
*(ip++) = IOBMAP_L2E_V | rpn;
/* invalidate tlb, can be optimized more */
@@ -258,7 +258,7 @@
return;
#endif
/* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */
- iob_l2_base = (u32 *)abs_to_virt(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000));
+ iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000));
printk(KERN_INFO "IOBMAP L2 allocated at: %p\n", iob_l2_base);
}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 9cda6a1..5e75dcf 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -30,7 +30,6 @@
#include <asm/opal.h>
#include <asm/iommu.h>
#include <asm/tce.h>
-#include <asm/abs_addr.h>
#include "powernv.h"
#include "pci.h"
diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
index 2649677..6b4bef4 100644
--- a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
+++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
@@ -30,7 +30,6 @@
#include <asm/opal.h>
#include <asm/iommu.h>
#include <asm/tce.h>
-#include <asm/abs_addr.h>
#include "powernv.h"
#include "pci.h"
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index be3cfc5c..1e908ae 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -30,7 +30,6 @@
#include <asm/opal.h>
#include <asm/iommu.h>
#include <asm/tce.h>
-#include <asm/abs_addr.h>
#include <asm/firmware.h>
#include "powernv.h"
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index bca220f..6153eea 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -28,6 +28,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/mm.h>
+#include <linux/memblock.h>
#include <linux/spinlock.h>
#include <linux/sched.h> /* for show_stack */
#include <linux/string.h>
@@ -41,7 +42,6 @@
#include <asm/iommu.h>
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
-#include <asm/abs_addr.h>
#include <asm/pSeries_reconfig.h>
#include <asm/firmware.h>
#include <asm/tce.h>
@@ -99,7 +99,7 @@
while (npages--) {
/* can't move this out since we might cross MEMBLOCK boundary */
- rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
+ rpn = __pa(uaddr) >> TCE_SHIFT;
*tcep = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT;
uaddr += TCE_PAGE_SIZE;
@@ -148,7 +148,7 @@
int ret = 0;
long tcenum_start = tcenum, npages_start = npages;
- rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
+ rpn = __pa(uaddr) >> TCE_SHIFT;
proto_tce = TCE_PCI_READ;
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;
@@ -217,7 +217,7 @@
__get_cpu_var(tce_page) = tcep;
}
- rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
+ rpn = __pa(uaddr) >> TCE_SHIFT;
proto_tce = TCE_PCI_READ;
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;
@@ -237,7 +237,7 @@
rc = plpar_tce_put_indirect((u64)tbl->it_index,
(u64)tcenum << 12,
- (u64)virt_to_abs(tcep),
+ (u64)__pa(tcep),
limit);
npages -= limit;
@@ -441,7 +441,7 @@
rc = plpar_tce_put_indirect(liobn,
dma_offset,
- (u64)virt_to_abs(tcep),
+ (u64)__pa(tcep),
limit);
num_tce -= limit;
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 5f3ef87..177055d 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -31,7 +31,6 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/machdep.h>
-#include <asm/abs_addr.h>
#include <asm/mmu_context.h>
#include <asm/iommu.h>
#include <asm/tlbflush.h>
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 4f2680f..8ef63a0 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -43,7 +43,6 @@
#include <asm/iommu.h>
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
-#include <asm/abs_addr.h>
#include <asm/cacheflush.h>
#include <asm/ppc-pci.h>
@@ -167,7 +166,7 @@
*/
l = npages;
while (l--) {
- rpn = virt_to_abs(uaddr) >> DART_PAGE_SHIFT;
+ rpn = __pa(uaddr) >> DART_PAGE_SHIFT;
*(dp++) = DARTMAP_VALID | (rpn & DARTMAP_RPNMASK);
@@ -244,7 +243,7 @@
panic("DART: Cannot map registers!");
/* Map in DART table */
- dart_vbase = ioremap(virt_to_abs(dart_tablebase), dart_tablesize);
+ dart_vbase = ioremap(__pa(dart_tablebase), dart_tablesize);
/* Fill initial table */
for (i = 0; i < dart_tablesize/4; i++)
@@ -463,7 +462,7 @@
* will blow up an entire large page anyway in the kernel mapping
*/
dart_tablebase = (unsigned long)
- abs_to_virt(memblock_alloc_base(1UL<<24, 1UL<<24, 0x80000000L));
+ __va(memblock_alloc_base(1UL<<24, 1UL<<24, 0x80000000L));
printk(KERN_INFO "DART table allocated at: %lx\n", dart_tablebase);
}
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index d7f179c..638110e 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -34,7 +34,6 @@
#include <linux/device.h>
#include <linux/of.h>
#include <asm/pSeries_reconfig.h>
-#include <asm/abs_addr.h>
#include <asm/hvcall.h>
#include <asm/vio.h>
@@ -104,10 +103,10 @@
/* determine the start and end for this address range - slightly
* different if this is in VMALLOC_REGION */
if (is_vmalloc_addr(start_addr))
- sg_addr = phys_to_abs(page_to_phys(vmalloc_to_page(start_addr)))
+ sg_addr = page_to_phys(vmalloc_to_page(start_addr))
+ offset_in_page(sg_addr);
else
- sg_addr = virt_to_abs(sg_addr);
+ sg_addr = __pa(sg_addr);
end_addr = sg_addr + len;
@@ -265,17 +264,17 @@
nx_ctx->csbcpb->csb.valid |= NX_CSB_VALID_BIT;
nx_ctx->op.flags = function;
- nx_ctx->op.csbcpb = virt_to_abs(nx_ctx->csbcpb);
- nx_ctx->op.in = virt_to_abs(nx_ctx->in_sg);
- nx_ctx->op.out = virt_to_abs(nx_ctx->out_sg);
+ nx_ctx->op.csbcpb = __pa(nx_ctx->csbcpb);
+ nx_ctx->op.in = __pa(nx_ctx->in_sg);
+ nx_ctx->op.out = __pa(nx_ctx->out_sg);
if (nx_ctx->csbcpb_aead) {
nx_ctx->csbcpb_aead->csb.valid |= NX_CSB_VALID_BIT;
nx_ctx->op_aead.flags = function;
- nx_ctx->op_aead.csbcpb = virt_to_abs(nx_ctx->csbcpb_aead);
- nx_ctx->op_aead.in = virt_to_abs(nx_ctx->in_sg);
- nx_ctx->op_aead.out = virt_to_abs(nx_ctx->out_sg);
+ nx_ctx->op_aead.csbcpb = __pa(nx_ctx->csbcpb_aead);
+ nx_ctx->op_aead.in = __pa(nx_ctx->in_sg);
+ nx_ctx->op_aead.out = __pa(nx_ctx->out_sg);
}
}
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index d9b0ebc..8f52901 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -220,7 +220,7 @@
cq = ERR_PTR(-EAGAIN);
goto create_cq_exit4;
}
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
h_ret = hipz_h_register_rpage_cq(adapter_handle,
my_cq->ipz_cq_handle,
diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/infiniband/hw/ehca/ehca_eq.c
index 818d721..90da674 100644
--- a/drivers/infiniband/hw/ehca/ehca_eq.c
+++ b/drivers/infiniband/hw/ehca/ehca_eq.c
@@ -101,7 +101,7 @@
if (!vpage)
goto create_eq_exit2;
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
h_ret = hipz_h_register_rpage_eq(shca->ipz_hca_handle,
eq->ipz_eq_handle,
&eq->pf,
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index b781b2c..8784486 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -1136,7 +1136,7 @@
}
if (rnum > 1) {
- rpage = virt_to_abs(kpage);
+ rpage = __pa(kpage);
if (!rpage) {
ehca_err(&shca->ib_device, "kpage=%p i=%x",
kpage, i);
@@ -1231,7 +1231,7 @@
pginfo->num_kpages, pginfo->num_hwpages, kpage);
goto ehca_rereg_mr_rereg1_exit1;
}
- rpage = virt_to_abs(kpage);
+ rpage = __pa(kpage);
if (!rpage) {
ehca_err(&shca->ib_device, "kpage=%p", kpage);
ret = -EFAULT;
@@ -1525,7 +1525,7 @@
unsigned long ret = idx;
ret |= dir << EHCA_DIR_INDEX_SHIFT;
ret |= top << EHCA_TOP_INDEX_SHIFT;
- return abs_to_virt(ret << SECTION_SIZE_BITS);
+ return __va(ret << SECTION_SIZE_BITS);
}
#define ehca_bmap_valid(entry) \
@@ -1537,7 +1537,7 @@
{
u64 h_ret = 0;
unsigned long page = 0;
- u64 rpage = virt_to_abs(kpage);
+ u64 rpage = __pa(kpage);
int page_count;
void *sectbase = ehca_calc_sectbase(top, dir, idx);
@@ -1553,7 +1553,7 @@
for (rnum = 0; (rnum < MAX_RPAGES) && (page < page_count);
rnum++) {
void *pg = sectbase + ((page++) * pginfo->hwpage_size);
- kpage[rnum] = virt_to_abs(pg);
+ kpage[rnum] = __pa(pg);
}
h_ret = hipz_h_register_rpage_mr(shca->ipz_hca_handle, mr,
@@ -1870,9 +1870,8 @@
for (i = pginfo->u.usr.next_nmap; i < chunk->nmap; ) {
pgaddr = page_to_pfn(sg_page(&chunk->page_list[i]))
<< PAGE_SHIFT ;
- *kpage = phys_to_abs(pgaddr +
- (pginfo->next_hwpage *
- pginfo->hwpage_size));
+ *kpage = pgaddr + (pginfo->next_hwpage *
+ pginfo->hwpage_size);
if ( !(*kpage) ) {
ehca_gen_err("pgaddr=%llx "
"chunk->page_list[i]=%llx "
@@ -1927,7 +1926,7 @@
u64 pgaddr = page_to_pfn(sg_page(&page_list[t])) << PAGE_SHIFT;
if (ehca_debug_level >= 3)
ehca_gen_dbg("chunk_page=%llx value=%016llx", pgaddr,
- *(u64 *)abs_to_virt(phys_to_abs(pgaddr)));
+ *(u64 *)__va(pgaddr));
if (pgaddr - PAGE_SIZE != *prev_pgaddr) {
ehca_gen_err("uncontiguous page found pgaddr=%llx "
"prev_pgaddr=%llx page_list_i=%x",
@@ -1962,7 +1961,7 @@
if (nr_kpages == kpages_per_hwpage) {
pgaddr = ( page_to_pfn(sg_page(&chunk->page_list[i]))
<< PAGE_SHIFT );
- *kpage = phys_to_abs(pgaddr);
+ *kpage = pgaddr;
if ( !(*kpage) ) {
ehca_gen_err("pgaddr=%llx i=%x",
pgaddr, i);
@@ -1990,13 +1989,11 @@
(pginfo->hwpage_size - 1)) >>
PAGE_SHIFT;
nr_kpages -= pginfo->kpage_cnt;
- *kpage = phys_to_abs(
- pgaddr &
- ~(pginfo->hwpage_size - 1));
+ *kpage = pgaddr &
+ ~(pginfo->hwpage_size - 1);
}
if (ehca_debug_level >= 3) {
- u64 val = *(u64 *)abs_to_virt(
- phys_to_abs(pgaddr));
+ u64 val = *(u64 *)__va(pgaddr);
ehca_gen_dbg("kpage=%llx chunk_page=%llx "
"value=%016llx",
*kpage, pgaddr, val);
@@ -2084,9 +2081,8 @@
pginfo->num_hwpages, i);
return -EFAULT;
}
- *kpage = phys_to_abs(
- (pbuf->addr & ~(pginfo->hwpage_size - 1)) +
- (pginfo->next_hwpage * pginfo->hwpage_size));
+ *kpage = (pbuf->addr & ~(pginfo->hwpage_size - 1)) +
+ (pginfo->next_hwpage * pginfo->hwpage_size);
if ( !(*kpage) && pbuf->addr ) {
ehca_gen_err("pbuf->addr=%llx pbuf->size=%llx "
"next_hwpage=%llx", pbuf->addr,
@@ -2124,8 +2120,8 @@
/* loop over desired page_list entries */
fmrlist = pginfo->u.fmr.page_list + pginfo->u.fmr.next_listelem;
for (i = 0; i < number; i++) {
- *kpage = phys_to_abs((*fmrlist & ~(pginfo->hwpage_size - 1)) +
- pginfo->next_hwpage * pginfo->hwpage_size);
+ *kpage = (*fmrlist & ~(pginfo->hwpage_size - 1)) +
+ pginfo->next_hwpage * pginfo->hwpage_size;
if ( !(*kpage) ) {
ehca_gen_err("*fmrlist=%llx fmrlist=%p "
"next_listelem=%llx next_hwpage=%llx",
@@ -2152,8 +2148,7 @@
u64 prev = *kpage;
/* check if adrs are contiguous */
for (j = 1; j < cnt_per_hwpage; j++) {
- u64 p = phys_to_abs(fmrlist[j] &
- ~(pginfo->hwpage_size - 1));
+ u64 p = fmrlist[j] & ~(pginfo->hwpage_size - 1);
if (prev + pginfo->u.fmr.fmr_pgsize != p) {
ehca_gen_err("uncontiguous fmr pages "
"found prev=%llx p=%llx "
@@ -2388,8 +2383,8 @@
memset(ehca_bmap, 0xFF, EHCA_TOP_MAP_SIZE);
}
- start_section = phys_to_abs(pfn * PAGE_SIZE) / EHCA_SECTSIZE;
- end_section = phys_to_abs((pfn + nr_pages) * PAGE_SIZE) / EHCA_SECTSIZE;
+ start_section = (pfn * PAGE_SIZE) / EHCA_SECTSIZE;
+ end_section = ((pfn + nr_pages) * PAGE_SIZE) / EHCA_SECTSIZE;
for (i = start_section; i < end_section; i++) {
int ret;
top = ehca_calc_index(i, EHCA_TOP_INDEX_SHIFT);
@@ -2508,7 +2503,7 @@
if (!ehca_bmap)
return EHCA_INVAL_ADDR;
- abs_addr = virt_to_abs(caddr);
+ abs_addr = __pa(caddr);
top = ehca_calc_index(abs_addr, EHCA_TOP_INDEX_SHIFT + EHCA_SECTSHIFT);
if (!ehca_bmap_valid(ehca_bmap->top[top]))
return EHCA_INVAL_ADDR;
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 964f855..1493939 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -321,7 +321,7 @@
ret = -EINVAL;
goto init_qp_queue1;
}
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
h_ret = hipz_h_register_rpage_qp(ipz_hca_handle,
my_qp->ipz_qp_handle,
@@ -1094,7 +1094,7 @@
ehca_dbg(&shca->ib_device, "qp_num=%x bad_send_wqe_p=%p",
qp_num, bad_send_wqe_p);
/* convert wqe pointer to vadr */
- bad_send_wqe_v = abs_to_virt((u64)bad_send_wqe_p);
+ bad_send_wqe_v = __va((u64)bad_send_wqe_p);
if (ehca_debug_level >= 2)
ehca_dmp(bad_send_wqe_v, 32, "qp_num=%x bad_wqe", qp_num);
squeue = &my_qp->ipz_squeue;
@@ -1138,7 +1138,7 @@
/* convert real to abs address */
wqe_p = wqe_p & (~(1UL << 63));
- wqe_v = abs_to_virt(wqe_p);
+ wqe_v = __va(wqe_p);
if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) {
ehca_gen_err("Invalid offset for calculating left cqes "
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index fd05f48..47f9498 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -135,7 +135,7 @@
mad_hdr->attr_mod);
}
for (j = 0; j < send_wr->num_sge; j++) {
- u8 *data = (u8 *)abs_to_virt(sge->addr);
+ u8 *data = __va(sge->addr);
ehca_gen_dbg("send_wr#%x sge#%x addr=%p length=%x "
"lkey=%x",
idx, j, data, sge->length, sge->lkey);
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
index 54c0d23..d280b12 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -59,7 +59,6 @@
#include <linux/device.h>
#include <linux/atomic.h>
-#include <asm/abs_addr.h>
#include <asm/ibmebus.h>
#include <asm/io.h>
#include <asm/pgtable.h>
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index e6f9cdd..2d41d04 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -396,7 +396,7 @@
struct hipz_query_port *query_port_response_block)
{
u64 ret;
- u64 r_cb = virt_to_abs(query_port_response_block);
+ u64 r_cb = __pa(query_port_response_block);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("response block not page aligned");
@@ -438,7 +438,7 @@
u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle,
struct hipz_query_hca *query_hca_rblock)
{
- u64 r_cb = virt_to_abs(query_hca_rblock);
+ u64 r_cb = __pa(query_hca_rblock);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("response_block=%p not page aligned",
@@ -577,7 +577,7 @@
adapter_handle.handle, /* r4 */
qp_handle.handle, /* r5 */
update_mask, /* r6 */
- virt_to_abs(mqpcb), /* r7 */
+ __pa(mqpcb), /* r7 */
0, 0, 0, 0, 0);
if (ret == H_NOT_ENOUGH_RESOURCES)
@@ -595,7 +595,7 @@
return ehca_plpar_hcall_norets(H_QUERY_QP,
adapter_handle.handle, /* r4 */
qp_handle.handle, /* r5 */
- virt_to_abs(qqpcb), /* r6 */
+ __pa(qqpcb), /* r6 */
0, 0, 0, 0);
}
@@ -787,7 +787,7 @@
if (count > 1) {
u64 *kpage;
int i;
- kpage = (u64 *)abs_to_virt(logical_address_of_page);
+ kpage = __va(logical_address_of_page);
for (i = 0; i < count; i++)
ehca_gen_dbg("kpage[%d]=%p",
i, (void *)kpage[i]);
@@ -944,7 +944,7 @@
void *rblock,
unsigned long *byte_count)
{
- u64 r_cb = virt_to_abs(rblock);
+ u64 r_cb = __pa(rblock);
if (r_cb & (EHCA_PAGESIZE-1)) {
ehca_gen_err("rblock not page aligned.");
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index 1898d6e..62c71fa 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -81,7 +81,7 @@
{
int i;
for (i = 0; i < queue->queue_length / queue->pagesize; i++) {
- u64 page = (u64)virt_to_abs(queue->queue_pages[i]);
+ u64 page = __pa(queue->queue_pages[i]);
if (addr >= page && addr < page + queue->pagesize) {
*q_offset = addr - page + i * queue->pagesize;
return 0;
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 54ac7ff..7d5a6b4 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -45,7 +45,6 @@
#include <asm/pmac_feature.h>
#include <asm/smu.h>
#include <asm/sections.h>
-#include <asm/abs_addr.h>
#include <asm/uaccess.h>
#define VERSION "0.7"
@@ -502,7 +501,7 @@
* 32 bits value safely
*/
smu->cmd_buf_abs = (u32)smu_cmdbuf_abs;
- smu->cmd_buf = (struct smu_cmd_buf *)abs_to_virt(smu_cmdbuf_abs);
+ smu->cmd_buf = __va(smu_cmdbuf_abs);
smu->db_node = of_find_node_by_name(NULL, "smu-doorbell");
if (smu->db_node == NULL) {
diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h
index b8e46cc..6be7b98 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea.h
@@ -35,7 +35,6 @@
#include <linux/if_vlan.h>
#include <asm/ibmebus.h>
-#include <asm/abs_addr.h>
#include <asm/io.h>
#define DRV_NAME "ehea"
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c b/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
index 30f9033..d3a130c 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_phyp.c
@@ -141,7 +141,7 @@
qp_category, /* R5 */
qp_handle, /* R6 */
sel_mask, /* R7 */
- virt_to_abs(cb_addr), /* R8 */
+ __pa(cb_addr), /* R8 */
0, 0);
}
@@ -415,7 +415,7 @@
(u64) cat, /* R5 */
qp_handle, /* R6 */
sel_mask, /* R7 */
- virt_to_abs(cb_addr), /* R8 */
+ __pa(cb_addr), /* R8 */
0, 0, 0, 0); /* R9-R12 */
*inv_attr_id = outs[0];
@@ -528,7 +528,7 @@
{
u64 hret, cb_logaddr;
- cb_logaddr = virt_to_abs(cb_addr);
+ cb_logaddr = __pa(cb_addr);
hret = ehea_plpar_hcall_norets(H_QUERY_HEA,
adapter_handle, /* R4 */
@@ -545,7 +545,7 @@
void *cb_addr)
{
u64 port_info;
- u64 cb_logaddr = virt_to_abs(cb_addr);
+ u64 cb_logaddr = __pa(cb_addr);
u64 arr_index = 0;
port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
@@ -567,7 +567,7 @@
unsigned long outs[PLPAR_HCALL9_BUFSIZE];
u64 port_info;
u64 arr_index = 0;
- u64 cb_logaddr = virt_to_abs(cb_addr);
+ u64 cb_logaddr = __pa(cb_addr);
port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat)
| EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num);
@@ -621,6 +621,6 @@
return ehea_plpar_hcall_norets(H_ERROR_DATA,
adapter_handle, /* R4 */
ressource_handle, /* R5 */
- virt_to_abs(rblock), /* R6 */
+ __pa(rblock), /* R6 */
0, 0, 0, 0); /* R7-R12 */
}
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
index cb66f57..27f88175 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c
@@ -163,7 +163,7 @@
goto out_kill_hwq;
}
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
hret = ehea_h_register_rpage(adapter->handle,
0, EHEA_CQ_REGISTER_ORIG,
cq->fw_handle, rpage, 1);
@@ -290,7 +290,7 @@
goto out_kill_hwq;
}
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
hret = ehea_h_register_rpage(adapter->handle, 0,
EHEA_EQ_REGISTER_ORIG,
@@ -395,7 +395,7 @@
pr_err("hw_qpageit_get_inc failed\n");
goto out_kill_hwq;
}
- rpage = virt_to_abs(vpage);
+ rpage = __pa(vpage);
hret = ehea_h_register_rpage(adapter->handle,
0, h_call_q_selector,
qp->fw_handle, rpage, 1);
@@ -790,7 +790,7 @@
if (!ehea_bmap)
return EHEA_INVAL_ADDR;
- index = virt_to_abs(caddr) >> SECTION_SIZE_BITS;
+ index = __pa(caddr) >> SECTION_SIZE_BITS;
top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK;
if (!ehea_bmap->top[top])
return EHEA_INVAL_ADDR;
@@ -812,7 +812,7 @@
unsigned long ret = idx;
ret |= dir << EHEA_DIR_INDEX_SHIFT;
ret |= top << EHEA_TOP_INDEX_SHIFT;
- return abs_to_virt(ret << SECTION_SIZE_BITS);
+ return __va(ret << SECTION_SIZE_BITS);
}
static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
@@ -822,7 +822,7 @@
void *pg;
u64 j, m, hret;
unsigned long k = 0;
- u64 pt_abs = virt_to_abs(pt);
+ u64 pt_abs = __pa(pt);
void *sectbase = ehea_calc_sectbase(top, dir, idx);
@@ -830,7 +830,7 @@
for (m = 0; m < EHEA_MAX_RPAGE; m++) {
pg = sectbase + ((k++) * EHEA_PAGESIZE);
- pt[m] = virt_to_abs(pg);
+ pt[m] = __pa(pg);
}
hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0,
0, pt_abs, EHEA_MAX_RPAGE);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 467dc38..6077c43 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6304,14 +6304,14 @@
#ifdef CONFIG_PPC_PSERIES
static const u16 ipr_blocked_processors[] = {
- PV_NORTHSTAR,
- PV_PULSAR,
- PV_POWER4,
- PV_ICESTAR,
- PV_SSTAR,
- PV_POWER4p,
- PV_630,
- PV_630p
+ PVR_NORTHSTAR,
+ PVR_PULSAR,
+ PVR_POWER4,
+ PVR_ICESTAR,
+ PVR_SSTAR,
+ PVR_POWER4p,
+ PVR_630,
+ PVR_630p
};
/**
@@ -6331,7 +6331,7 @@
if ((ioa_cfg->type == 0x5702) && (ioa_cfg->pdev->revision < 4)) {
for (i = 0; i < ARRAY_SIZE(ipr_blocked_processors); i++){
- if (__is_processor(ipr_blocked_processors[i]))
+ if (pvr_version_is(ipr_blocked_processors[i]))
return 1;
}
}
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 2d691eb..f1d4d96 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -245,6 +245,20 @@
kfree(hp);
}
+static void hvc_check_console(int index)
+{
+ /* Already enabled, bail out */
+ if (hvc_console.flags & CON_ENABLED)
+ return;
+
+ /* If this index is what the user requested, then register
+ * now (setup won't fail at this point). It's ok to just
+ * call register again if previously .setup failed.
+ */
+ if (index == hvc_console.index)
+ register_console(&hvc_console);
+}
+
/*
* hvc_instantiate() is an early console discovery method which locates
* consoles * prior to the vio subsystem discovering them. Hotplugged
@@ -275,12 +289,8 @@
if (last_hvc < index)
last_hvc = index;
- /* if this index is what the user requested, then register
- * now (setup won't fail at this point). It's ok to just
- * call register again if previously .setup failed.
- */
- if (index == hvc_console.index)
- register_console(&hvc_console);
+ /* check if we need to re-register the kernel console */
+ hvc_check_console(index);
return 0;
}
@@ -858,10 +868,15 @@
i = ++last_hvc;
hp->index = i;
+ cons_ops[i] = ops;
+ vtermnos[i] = vtermno;
list_add_tail(&(hp->next), &hvc_structs);
spin_unlock(&hvc_structs_lock);
+ /* check if we need to re-register the kernel console */
+ hvc_check_console(i);
+
return hp;
}
EXPORT_SYMBOL_GPL(hvc_alloc);
@@ -874,8 +889,12 @@
tty = tty_port_tty_get(&hp->port);
spin_lock_irqsave(&hp->lock, flags);
- if (hp->index < MAX_NR_HVC_CONSOLES)
+ if (hp->index < MAX_NR_HVC_CONSOLES) {
+ console_lock();
vtermnos[hp->index] = -1;
+ cons_ops[hp->index] = NULL;
+ console_unlock();
+ }
/* Don't whack hp->irq because tty_hangup() will need to free the irq. */
diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c
index ee30779..070c0ee6 100644
--- a/drivers/tty/hvc/hvc_vio.c
+++ b/drivers/tty/hvc/hvc_vio.c
@@ -230,6 +230,69 @@
.tiocmset = hvterm_hvsi_tiocmset,
};
+static void udbg_hvc_putc(char c)
+{
+ int count = -1;
+
+ if (!hvterm_privs[0])
+ return;
+
+ if (c == '\n')
+ udbg_hvc_putc('\r');
+
+ do {
+ switch(hvterm_privs[0]->proto) {
+ case HV_PROTOCOL_RAW:
+ count = hvterm_raw_put_chars(0, &c, 1);
+ break;
+ case HV_PROTOCOL_HVSI:
+ count = hvterm_hvsi_put_chars(0, &c, 1);
+ break;
+ }
+ } while(count == 0);
+}
+
+static int udbg_hvc_getc_poll(void)
+{
+ int rc = 0;
+ char c;
+
+ if (!hvterm_privs[0])
+ return -1;
+
+ switch(hvterm_privs[0]->proto) {
+ case HV_PROTOCOL_RAW:
+ rc = hvterm_raw_get_chars(0, &c, 1);
+ break;
+ case HV_PROTOCOL_HVSI:
+ rc = hvterm_hvsi_get_chars(0, &c, 1);
+ break;
+ }
+ if (!rc)
+ return -1;
+ return c;
+}
+
+static int udbg_hvc_getc(void)
+{
+ int ch;
+
+ if (!hvterm_privs[0])
+ return -1;
+
+ for (;;) {
+ ch = udbg_hvc_getc_poll();
+ if (ch == -1) {
+ /* This shouldn't be needed...but... */
+ volatile unsigned long delay;
+ for (delay=0; delay < 2000000; delay++)
+ ;
+ } else {
+ return ch;
+ }
+ }
+}
+
static int __devinit hvc_vio_probe(struct vio_dev *vdev,
const struct vio_device_id *id)
{
@@ -289,6 +352,13 @@
return PTR_ERR(hp);
dev_set_drvdata(&vdev->dev, hp);
+ /* register udbg if it's not there already for console 0 */
+ if (hp->index == 0 && !udbg_putc) {
+ udbg_putc = udbg_hvc_putc;
+ udbg_getc = udbg_hvc_getc;
+ udbg_getc_poll = udbg_hvc_getc_poll;
+ }
+
return 0;
}
@@ -331,59 +401,6 @@
}
module_exit(hvc_vio_exit);
-static void udbg_hvc_putc(char c)
-{
- int count = -1;
-
- if (c == '\n')
- udbg_hvc_putc('\r');
-
- do {
- switch(hvterm_priv0.proto) {
- case HV_PROTOCOL_RAW:
- count = hvterm_raw_put_chars(0, &c, 1);
- break;
- case HV_PROTOCOL_HVSI:
- count = hvterm_hvsi_put_chars(0, &c, 1);
- break;
- }
- } while(count == 0);
-}
-
-static int udbg_hvc_getc_poll(void)
-{
- int rc = 0;
- char c;
-
- switch(hvterm_priv0.proto) {
- case HV_PROTOCOL_RAW:
- rc = hvterm_raw_get_chars(0, &c, 1);
- break;
- case HV_PROTOCOL_HVSI:
- rc = hvterm_hvsi_get_chars(0, &c, 1);
- break;
- }
- if (!rc)
- return -1;
- return c;
-}
-
-static int udbg_hvc_getc(void)
-{
- int ch;
- for (;;) {
- ch = udbg_hvc_getc_poll();
- if (ch == -1) {
- /* This shouldn't be needed...but... */
- volatile unsigned long delay;
- for (delay=0; delay < 2000000; delay++)
- ;
- } else {
- return ch;
- }
- }
-}
-
void __init hvc_vio_init_early(void)
{
struct device_node *stdout_node;
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index 213fbbc..4e292f2 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -31,7 +31,6 @@
#include <linux/fb.h>
#include <linux/init.h>
-#include <asm/abs_addr.h>
#include <asm/cell-regs.h>
#include <asm/lv1call.h>
#include <asm/ps3av.h>
@@ -1141,7 +1140,7 @@
*/
fb_start = ps3fb_videomemory.address + GPU_FB_START;
info->screen_base = (char __force __iomem *)fb_start;
- info->fix.smem_start = virt_to_abs(fb_start);
+ info->fix.smem_start = __pa(fb_start);
info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;
info->pseudo_palette = par->pseudo_palette;