Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa:
[ALSA] usbaudio - Coping with short replies in usbmixer
[ALSA] Include quirks from Ubuntu Dapper/Edgy/Feisty
[ALSA] Fix probe of non-PnP ISA devices
[ALSA] version 1.0.14rc4
[ALSA] hda-codec - Fix ALC882/861VD codec support on some laptops
[ALSA] ASoC AC97 device reg bugfix
[ALSA] ASoC AC97 static GPL symbol fix
[ALSA] hda-codec - Make the mixer capability check more robust
[ALSA] usb-audio: another Logitech QuickCam ID
diff --git a/arch/avr32/boards/atstk1000/atstk1000.h b/arch/avr32/boards/atstk1000/atstk1000.h
new file mode 100644
index 0000000..9a49ed0
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/atstk1000.h
@@ -0,0 +1,15 @@
+/*
+ * ATSTK1000 setup code: Daughterboard interface
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H
+#define __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H
+
+extern struct atmel_lcdfb_info atstk1000_lcdc_data;
+
+#endif /* __ARCH_AVR32_BOARDS_ATSTK1000_ATSTK1000_H */
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index abe6ca2..fe1dbe2 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -16,6 +16,8 @@
#include <linux/types.h>
#include <linux/spi/spi.h>
+#include <video/atmel_lcdc.h>
+
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/arch/at32ap7000.h>
@@ -23,6 +25,7 @@
#include <asm/arch/init.h>
#include <asm/arch/portmux.h>
+#include "atstk1000.h"
#define SW2_DEFAULT /* MMCI and UART_A available */
@@ -31,9 +34,7 @@
};
static struct eth_addr __initdata hw_addr[2];
-
static struct eth_platform_data __initdata eth_data[2];
-static struct lcdc_platform_data atstk1000_fb0_data;
static struct spi_board_info spi0_board_info[] __initdata = {
{
@@ -148,9 +149,8 @@
set_hw_addr(at32_add_device_eth(0, ð_data[0]));
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
- atstk1000_fb0_data.fbmem_start = fbmem_start;
- atstk1000_fb0_data.fbmem_size = fbmem_size;
- at32_add_device_lcdc(0, &atstk1000_fb0_data);
+ at32_add_device_lcdc(0, &atstk1000_lcdc_data,
+ fbmem_start, fbmem_size);
return 0;
}
diff --git a/arch/avr32/boards/atstk1000/setup.c b/arch/avr32/boards/atstk1000/setup.c
index 2bc4b88..c9af409 100644
--- a/arch/avr32/boards/atstk1000/setup.c
+++ b/arch/avr32/boards/atstk1000/setup.c
@@ -8,13 +8,56 @@
* published by the Free Software Foundation.
*/
#include <linux/bootmem.h>
+#include <linux/fb.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/linkage.h>
-#include <asm/setup.h>
+#include <video/atmel_lcdc.h>
+#include <asm/setup.h>
#include <asm/arch/board.h>
+#include "atstk1000.h"
+
/* Initialized by bootloader-specific startup code. */
struct tag *bootloader_tags __initdata;
+
+static struct fb_videomode __initdata ltv350qv_modes[] = {
+ {
+ .name = "320x240 @ 75",
+ .refresh = 75,
+ .xres = 320, .yres = 240,
+ .pixclock = KHZ2PICOS(6891),
+
+ .left_margin = 17, .right_margin = 33,
+ .upper_margin = 10, .lower_margin = 10,
+ .hsync_len = 16, .vsync_len = 1,
+
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct fb_monspecs __initdata atstk1000_default_monspecs = {
+ .manufacturer = "SNG",
+ .monitor = "LTV350QV",
+ .modedb = ltv350qv_modes,
+ .modedb_len = ARRAY_SIZE(ltv350qv_modes),
+ .hfmin = 14820,
+ .hfmax = 22230,
+ .vfmin = 60,
+ .vfmax = 90,
+ .dclkmax = 30000000,
+};
+
+struct atmel_lcdfb_info __initdata atstk1000_lcdc_data = {
+ .default_bpp = 24,
+ .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+ .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
+ | ATMEL_LCDC_INVCLK
+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+ | ATMEL_LCDC_MEMOR_BIG),
+ .default_monspecs = &atstk1000_default_monspecs,
+ .guard_time = 2,
+};
diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c
index fd31124..61f2de2 100644
--- a/arch/avr32/kernel/irq.c
+++ b/arch/avr32/kernel/irq.c
@@ -7,15 +7,6 @@
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
- *
- * This file contains the code used by various IRQ handling routines:
- * asking for different IRQ's should be done through these routines
- * instead of just grabbing them. Thus setups with different IRQ numbers
- * shouldn't result in any weird surprises, and installing new handlers
- * should be easier.
- *
- * IRQ's are in fact implemented a bit like signal handlers for the kernel.
- * Naturally it's not a 1:1 relation, but there are similarities.
*/
#include <linux/interrupt.h>
diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c
index 004c94b..4942ee6 100644
--- a/arch/avr32/kernel/kprobes.c
+++ b/arch/avr32/kernel/kprobes.c
@@ -179,7 +179,7 @@
return 1;
}
-static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
@@ -216,11 +216,6 @@
if (post_kprobe_handler(args->regs))
ret = NOTIFY_STOP;
break;
- case DIE_FAULT:
- if (kprobe_running()
- && kprobe_fault_handler(args->regs, args->trapnr))
- ret = NOTIFY_STOP;
- break;
default:
break;
}
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index 07f6a6f..75c81f2 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -292,4 +292,7 @@
.long sys_shmdt
.long sys_shmctl
.long sys_utimensat
+ .long sys_signalfd
+ .long sys_timerfd /* 280 */
+ .long sys_eventfd
.long sys_ni_syscall /* r8 is saturated at nr_syscalls */
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
index 56db45b..1d2bf34 100644
--- a/arch/avr32/mach-at32ap/at32ap7000.c
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -6,6 +6,7 @@
* published by the Free Software Foundation.
*/
#include <linux/clk.h>
+#include <linux/fb.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
@@ -17,6 +18,8 @@
#include <asm/arch/portmux.h>
#include <asm/arch/sm.h>
+#include <video/atmel_lcdc.h>
+
#include "clock.h"
#include "hmatrix.h"
#include "pio.h"
@@ -881,20 +884,26 @@
/* --------------------------------------------------------------------
* LCDC
* -------------------------------------------------------------------- */
-static struct lcdc_platform_data lcdc0_data;
-static struct resource lcdc0_resource[] = {
+static struct atmel_lcdfb_info atmel_lcdfb0_data;
+static struct resource atmel_lcdfb0_resource[] = {
{
.start = 0xff000000,
.end = 0xff000fff,
.flags = IORESOURCE_MEM,
},
IRQ(1),
+ {
+ /* Placeholder for pre-allocated fb memory */
+ .start = 0x00000000,
+ .end = 0x00000000,
+ .flags = 0,
+ },
};
-DEFINE_DEV_DATA(lcdc, 0);
-DEV_CLK(hclk, lcdc0, hsb, 7);
-static struct clk lcdc0_pixclk = {
- .name = "pixclk",
- .dev = &lcdc0_device.dev,
+DEFINE_DEV_DATA(atmel_lcdfb, 0);
+DEV_CLK(hck1, atmel_lcdfb0, hsb, 7);
+static struct clk atmel_lcdfb0_pixclk = {
+ .name = "lcdc_clk",
+ .dev = &atmel_lcdfb0_device.dev,
.mode = genclk_mode,
.get_rate = genclk_get_rate,
.set_rate = genclk_set_rate,
@@ -903,13 +912,34 @@
};
struct platform_device *__init
-at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data)
+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+ unsigned long fbmem_start, unsigned long fbmem_len)
{
struct platform_device *pdev;
+ struct atmel_lcdfb_info *info;
+ struct fb_monspecs *monspecs;
+ struct fb_videomode *modedb;
+ unsigned int modedb_size;
+
+ /*
+ * Do a deep copy of the fb data, monspecs and modedb. Make
+ * sure all allocations are done before setting up the
+ * portmux.
+ */
+ monspecs = kmemdup(data->default_monspecs,
+ sizeof(struct fb_monspecs), GFP_KERNEL);
+ if (!monspecs)
+ return NULL;
+
+ modedb_size = sizeof(struct fb_videomode) * monspecs->modedb_len;
+ modedb = kmemdup(monspecs->modedb, modedb_size, GFP_KERNEL);
+ if (!modedb)
+ goto err_dup_modedb;
+ monspecs->modedb = modedb;
switch (id) {
case 0:
- pdev = &lcdc0_device;
+ pdev = &atmel_lcdfb0_device;
select_peripheral(PC(19), PERIPH_A, 0); /* CC */
select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */
select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */
@@ -942,19 +972,32 @@
select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
- clk_set_parent(&lcdc0_pixclk, &pll0);
- clk_set_rate(&lcdc0_pixclk, clk_get_rate(&pll0));
+ clk_set_parent(&atmel_lcdfb0_pixclk, &pll0);
+ clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0));
break;
default:
- return NULL;
+ goto err_invalid_id;
}
- memcpy(pdev->dev.platform_data, data,
- sizeof(struct lcdc_platform_data));
+ if (fbmem_len) {
+ pdev->resource[2].start = fbmem_start;
+ pdev->resource[2].end = fbmem_start + fbmem_len - 1;
+ pdev->resource[2].flags = IORESOURCE_MEM;
+ }
+
+ info = pdev->dev.platform_data;
+ memcpy(info, data, sizeof(struct atmel_lcdfb_info));
+ info->default_monspecs = monspecs;
platform_device_register(pdev);
return pdev;
+
+err_invalid_id:
+ kfree(modedb);
+err_dup_modedb:
+ kfree(monspecs);
+ return NULL;
}
/* --------------------------------------------------------------------
@@ -1037,8 +1080,8 @@
&macb1_pclk,
&atmel_spi0_spi_clk,
&atmel_spi1_spi_clk,
- &lcdc0_hclk,
- &lcdc0_pixclk,
+ &atmel_lcdfb0_hck1,
+ &atmel_lcdfb0_pixclk,
&gclk0,
&gclk1,
&gclk2,
@@ -1077,7 +1120,7 @@
genclk_init_parent(&gclk2);
genclk_init_parent(&gclk3);
genclk_init_parent(&gclk4);
- genclk_init_parent(&lcdc0_pixclk);
+ genclk_init_parent(&atmel_lcdfb0_pixclk);
/*
* Turn on all clocks that have at least one user already, and
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index 88b00b1..e011f1c 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -12,41 +12,30 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/pagemap.h>
-
#include <linux/kdebug.h>
+#include <linux/kprobes.h>
+
#include <asm/mmu_context.h>
#include <asm/sysreg.h>
#include <asm/tlb.h>
#include <asm/uaccess.h>
#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
-
-/* Hook to register for page fault notifications */
-int register_page_fault_notifier(struct notifier_block *nb)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return atomic_notifier_chain_register(¬ify_page_fault_chain, nb);
-}
+ int ret = 0;
-int unregister_page_fault_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb);
-}
+ if (!user_mode(regs)) {
+ if (kprobe_running() && kprobe_fault_handler(regs, trap))
+ ret = 1;
+ }
-static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
- int trap, int sig)
-{
- struct die_args args = {
- .regs = regs,
- .trapnr = trap,
- };
- return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args);
+ return ret;
}
#else
-static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
- int trap, int sig)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return NOTIFY_DONE;
+ return 0;
}
#endif
@@ -76,8 +65,7 @@
long signr;
int code;
- if (notify_page_fault(DIE_PAGE_FAULT, regs,
- ecr, SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, ecr))
return;
address = sysreg_read(TLBEAR);
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3549c94..c478449 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -791,7 +791,7 @@
early_param("additional_cpus", setup_additional_cpus);
/*
- * cpu_possible_map should be static, it cannot change as cpu's
+ * cpu_possible_map should be static, it cannot change as CPUs
* are onlined, or offlined. The reason is per-cpu data-structures
* are allocated by some modules at init time, and dont expect to
* do this dynamically on cpu arrival/departure.
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index aeb79fb..1d64ef4 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -156,24 +156,30 @@
if (!kdump_on_init)
return NOTIFY_DONE;
- if (val != DIE_INIT_MONARCH_ENTER &&
- val != DIE_INIT_SLAVE_ENTER &&
+ if (val != DIE_INIT_MONARCH_LEAVE &&
+ val != DIE_INIT_SLAVE_LEAVE &&
+ val != DIE_INIT_MONARCH_PROCESS &&
val != DIE_MCA_RENDZVOUS_LEAVE &&
val != DIE_MCA_MONARCH_LEAVE)
return NOTIFY_DONE;
nd = (struct ia64_mca_notify_die *)args->err;
- /* Reason code 1 means machine check rendezous*/
- if ((val == DIE_INIT_MONARCH_ENTER || val == DIE_INIT_SLAVE_ENTER) &&
- nd->sos->rv_rc == 1)
+ /* Reason code 1 means machine check rendezvous*/
+ if ((val == DIE_INIT_MONARCH_LEAVE || val == DIE_INIT_SLAVE_LEAVE
+ || val == DIE_INIT_MONARCH_PROCESS) && nd->sos->rv_rc == 1)
return NOTIFY_DONE;
switch (val) {
- case DIE_INIT_MONARCH_ENTER:
+ case DIE_INIT_MONARCH_PROCESS:
+ atomic_set(&kdump_in_progress, 1);
+ *(nd->monarch_cpu) = -1;
+ break;
+ case DIE_INIT_MONARCH_LEAVE:
machine_kdump_on_init();
break;
- case DIE_INIT_SLAVE_ENTER:
- unw_init_running(kdump_cpu_freeze, NULL);
+ case DIE_INIT_SLAVE_LEAVE:
+ if (atomic_read(&kdump_in_progress))
+ unw_init_running(kdump_cpu_freeze, NULL);
break;
case DIE_MCA_RENDZVOUS_LEAVE:
if (atomic_read(&kdump_in_progress))
@@ -215,8 +221,10 @@
static int
machine_crash_setup(void)
{
+ /* be notified before default_monarch_init_process */
static struct notifier_block kdump_init_notifier_nb = {
.notifier_call = kdump_init_notifier,
+ .priority = 1,
};
int ret;
if((ret = register_die_notifier(&kdump_init_notifier_nb)) != 0)
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 144b056..95f5175 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1585,5 +1585,8 @@
data8 sys_getcpu
data8 sys_epoll_pwait // 1305
data8 sys_utimensat
+ data8 sys_signalfd
+ data8 sys_timerfd
+ data8 sys_eventfd
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index b4c2396..407b458 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -4,7 +4,7 @@
* Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
*
* This file contains the code used by various IRQ handling routines:
- * asking for different IRQ's should be done through these routines
+ * asking for different IRQs should be done through these routines
* instead of just grabbing them. Thus setups with different IRQ numbers
* shouldn't result in any weird surprises, and installing new handlers
* should be easier.
@@ -12,7 +12,7 @@
* Copyright (C) Ashok Raj<ashok.raj@intel.com>, Intel Corporation 2004
*
* 4/14/2004: Added code to handle cpu migration and do safe irq
- * migration without lossing interrupts for iosapic
+ * migration without losing interrupts for iosapic
* architecture.
*/
@@ -190,7 +190,7 @@
}
/*
- * Phase 1: Locate irq's bound to this cpu and
+ * Phase 1: Locate IRQs bound to this cpu and
* relocate them for cpu removal.
*/
migrate_irqs();
diff --git a/arch/ia64/kernel/irq_lsapic.c b/arch/ia64/kernel/irq_lsapic.c
index c2f07be..e56a7a3 100644
--- a/arch/ia64/kernel/irq_lsapic.c
+++ b/arch/ia64/kernel/irq_lsapic.c
@@ -23,7 +23,7 @@
static void
lsapic_noop (unsigned int irq)
{
- /* nuthing to do... */
+ /* nothing to do... */
}
static int lsapic_retrigger(unsigned int irq)
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 72e593e..5bc46f1 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -151,12 +151,12 @@
cmp_inst.l = kprobe_inst;
if ((cmp_inst.f.x2 == 0) || (cmp_inst.f.x2 == 1)) {
- /* Integere compare - Register Register (A6 type)*/
+ /* Integer compare - Register Register (A6 type)*/
if ((cmp_inst.f.tb == 0) && (cmp_inst.f.ta == 0)
&&(cmp_inst.f.c == 1))
ctype_unc = 1;
} else if ((cmp_inst.f.x2 == 2)||(cmp_inst.f.x2 == 3)) {
- /* Integere compare - Immediate Register (A8 type)*/
+ /* Integer compare - Immediate Register (A8 type)*/
if ((cmp_inst.f.ta == 0) &&(cmp_inst.f.c == 1))
ctype_unc = 1;
}
@@ -820,7 +820,7 @@
return 1;
}
-static int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -904,13 +904,6 @@
if (post_kprobes_handler(args->regs))
ret = NOTIFY_STOP;
break;
- case DIE_PAGE_FAULT:
- /* kprobe_running() needs smp_processor_id() */
- preempt_disable();
- if (kprobe_running() &&
- kprobes_fault_handler(args->regs, args->trapnr))
- ret = NOTIFY_STOP;
- preempt_enable();
default:
break;
}
@@ -954,7 +947,7 @@
/*
* Callee owns the argument space and could overwrite it, eg
* tail call optimization. So to be absolutely safe
- * we save the argument space before transfering the control
+ * we save the argument space before transferring the control
* to instrumented jprobe function which runs in
* the process context
*/
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 26814de6..1ead5ea 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -273,7 +273,6 @@
mlogbuf_finished = 1;
}
-EXPORT_SYMBOL(ia64_mlogbuf_finish);
/*
* Print buffered messages from INIT context.
@@ -1477,6 +1476,10 @@
struct task_struct *g, *t;
if (val != DIE_INIT_MONARCH_PROCESS)
return NOTIFY_DONE;
+#ifdef CONFIG_KEXEC
+ if (atomic_read(&kdump_in_progress))
+ return NOTIFY_DONE;
+#endif
/*
* FIXME: mlogbuf will brim over with INIT stack dumps.
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 70b8bdb..aba813c2 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -438,7 +438,7 @@
* @peidx: pointer of index of processor error section
*
* Return value:
- * target address on Success / 0 on Failue
+ * target address on Success / 0 on Failure
*/
static u64
get_target_identifier(peidx_table_t *peidx)
@@ -701,7 +701,7 @@
return fatal_mca("External bus check fatal status");
/*
- * This is a local MCA and estimated as a recoverble error.
+ * This is a local MCA and estimated as a recoverable error.
*/
if (platform)
return recover_from_platform_error(slidx, peidx, pbci, sos);
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 158e3c5..1962879 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -861,7 +861,7 @@
/*
* Modules contain a single unwind table which covers both the core and the init text
* sections but since the two are not contiguous, we need to split this table up such that
- * we can register (and unregister) each "segment" seperately. Fortunately, this sounds
+ * we can register (and unregister) each "segment" separately. Fortunately, this sounds
* more complicated than it really is.
*/
static void
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index e7191ca..b7133ca 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1318,7 +1318,7 @@
{
unsigned long flags;
/*
- * validy checks on cpu_mask have been done upstream
+ * validity checks on cpu_mask have been done upstream
*/
LOCK_PFS(flags);
@@ -1384,7 +1384,7 @@
{
unsigned long flags;
/*
- * validy checks on cpu_mask have been done upstream
+ * validity checks on cpu_mask have been done upstream
*/
LOCK_PFS(flags);
@@ -1835,7 +1835,7 @@
/*
* remove our file from the async queue, if we use this mode.
* This can be done without the context being protected. We come
- * here when the context has become unreacheable by other tasks.
+ * here when the context has become unreachable by other tasks.
*
* We may still have active monitoring at this point and we may
* end up in pfm_overflow_handler(). However, fasync_helper()
@@ -2132,7 +2132,7 @@
filp->private_data = NULL;
/*
- * if we free on the spot, the context is now completely unreacheable
+ * if we free on the spot, the context is now completely unreachable
* from the callers side. The monitored task side is also cut, so we
* can freely cut.
*
@@ -2562,7 +2562,7 @@
ctx->ctx_all_pmcs[0] = pmu_conf->impl_pmcs[0] & ~0x1;
/*
- * bitmask of all PMDs that are accesible to this context
+ * bitmask of all PMDs that are accessible to this context
*/
ctx->ctx_all_pmds[0] = pmu_conf->impl_pmds[0];
@@ -3395,7 +3395,7 @@
if (unlikely(!PMD_IS_IMPL(cnum))) goto error;
/*
* we can only read the register that we use. That includes
- * the one we explicitely initialize AND the one we want included
+ * the one we explicitly initialize AND the one we want included
* in the sampling buffer (smpl_regs).
*
* Having this restriction allows optimization in the ctxsw routine
@@ -3715,7 +3715,7 @@
* if non-blocking, then we ensure that the task will go into
* pfm_handle_work() before returning to user mode.
*
- * We cannot explicitely reset another task, it MUST always
+ * We cannot explicitly reset another task, it MUST always
* be done by the task itself. This works for system wide because
* the tool that is controlling the session is logically doing
* "self-monitoring".
@@ -4644,7 +4644,7 @@
switch(state) {
case PFM_CTX_UNLOADED:
/*
- * only comes to thios function if pfm_context is not NULL, i.e., cannot
+ * only comes to this function if pfm_context is not NULL, i.e., cannot
* be in unloaded state
*/
printk(KERN_ERR "perfmon: pfm_exit_thread [%d] ctx unloaded\n", task->pid);
@@ -5247,7 +5247,7 @@
/*
* main overflow processing routine.
- * it can be called from the interrupt path or explicitely during the context switch code
+ * it can be called from the interrupt path or explicitly during the context switch code
*/
static void
pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, struct pt_regs *regs)
diff --git a/arch/ia64/kernel/perfmon_mckinley.h b/arch/ia64/kernel/perfmon_mckinley.h
index 9becccd..c4bec7a 100644
--- a/arch/ia64/kernel/perfmon_mckinley.h
+++ b/arch/ia64/kernel/perfmon_mckinley.h
@@ -181,7 +181,7 @@
.pmc_desc = pfm_mck_pmc_desc,
.num_ibrs = 8,
.num_dbrs = 8,
- .use_rr_dbregs = 1 /* debug register are use for range retrictions */
+ .use_rr_dbregs = 1 /* debug register are use for range restrictions */
};
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 37c876f..27c2ef4 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -134,7 +134,7 @@
* interrupt redirection. The reason is this would require that
* All interrupts be stopped and hard bind the irq to a cpu.
* Later when the interrupt is fired we need to set the redir hint
- * on again in the vector. This is combersome for something that the
+ * on again in the vector. This is cumbersome for something that the
* user mode irq balancer will solve anyways.
*/
no_int_routing=1;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 89f6b13..25cd75f 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -162,7 +162,7 @@
/** salinfo_platform_oemdata - optional callback to decode oemdata from an error
* record.
* @sect_header: pointer to the start of the section to decode.
- * @oemdata: returns vmalloc area containing the decded output.
+ * @oemdata: returns vmalloc area containing the decoded output.
* @oemdata_size: returns length of decoded output (strlen).
*
* Description: If user space asks for oem data to be decoded by the kernel
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 9df1efe..eaa6a24 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -576,7 +576,7 @@
}
/*
- * Display cpu info for all cpu's.
+ * Display cpu info for all CPUs.
*/
static int
show_cpuinfo (struct seq_file *m, void *v)
@@ -761,7 +761,7 @@
c->cpu = smp_processor_id();
/* below default values will be overwritten by identify_siblings()
- * for Multi-Threading/Multi-Core capable cpu's
+ * for Multi-Threading/Multi-Core capable CPUs
*/
c->threads_per_core = c->cores_per_socket = c->num_log = 1;
c->socket_id = -1;
@@ -947,7 +947,7 @@
ia32_cpu_init();
#endif
- /* Clear ITC to eliminiate sched_clock() overflows in human time. */
+ /* Clear ITC to eliminate sched_clock() overflows in human time. */
ia64_set_itc(0);
/* disable all local interrupt sources: */
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 221de38..b3a47f9 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -186,7 +186,7 @@
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_single (int dest_cpu, int op)
@@ -196,7 +196,7 @@
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_allbutself (int op)
@@ -210,7 +210,7 @@
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_all (int op)
@@ -223,7 +223,7 @@
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static inline void
send_IPI_self (int op)
@@ -252,7 +252,7 @@
}
#endif
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
void
smp_send_reschedule (int cpu)
@@ -261,7 +261,7 @@
}
/*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
*/
static void
smp_send_local_flush_tlb (int cpu)
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index a44792d..5429580 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -694,7 +694,7 @@
set_cpei_target_cpu(new_cpei_cpu);
desc = irq_desc + ia64_cpe_irq;
/*
- * Switch for now, immediatly, we need to do fake intr
+ * Switch for now, immediately, we need to do fake intr
* as other interrupts, but need to study CPEI behaviour with
* polling before making changes.
*/
@@ -840,7 +840,7 @@
}
/*
- * Assume that CPU's have been discovered by some platform-dependent interface. For
+ * Assume that CPUs have been discovered by some platform-dependent interface. For
* SoftSDV/Lion, that would be ACPI.
*
* Setup of the IPI irq handler is done in irq.c:init_IRQ_SMP().
@@ -854,7 +854,7 @@
} *ap_startup;
long sal_ret;
- /* Tell SAL where to drop the AP's. */
+ /* Tell SAL where to drop the APs. */
ap_startup = (struct fptr *) start_ap;
sal_ret = ia64_sal_set_vectors(SAL_VECTOR_OS_BOOT_RENDEZ,
ia64_tpa(ap_startup->fp), ia64_tpa(ap_startup->gp), 0, 0, 0, 0);
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index b8e0d70..15ad85d 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -304,7 +304,7 @@
* Lower 4 bits are used as a count. Upper bits are a sequence
* number that is updated when count is reset. The cmpxchg will
* fail is seqno has changed. This minimizes mutiple cpus
- * reseting the count.
+ * resetting the count.
*/
if (current_jiffies > last.time)
(void) cmpxchg_acq(&last.count, count, 16 + (count & ~15));
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index fe14262..7d3dd6c 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2,7 +2,7 @@
* Copyright (C) 1999-2004 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 2003 Fenghua Yu <fenghua.yu@intel.com>
- * - Change pt_regs_off() to make it less dependant on pt_regs structure.
+ * - Change pt_regs_off() to make it less dependent on pt_regs structure.
*/
/*
* This file implements call frame unwind support for the Linux
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 38085ac..0dbf0e8 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -317,7 +317,7 @@
* node_online_map is not set for hot-added nodes at this time,
* because we are halfway through initialization of the new node's
* structures. If for_each_online_node() is used, a new node's
- * pg_data_ptrs will be not initialized. Insted of using it,
+ * pg_data_ptrs will be not initialized. Instead of using it,
* pgdat_list[] is checked.
*/
for_each_node(node) {
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 21658e0..b87f785 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -19,36 +19,24 @@
extern void die (char *, struct pt_regs *, long);
#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
-
-/* Hook to register for page fault notifications */
-int register_page_fault_notifier(struct notifier_block *nb)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return atomic_notifier_chain_register(¬ify_page_fault_chain, nb);
-}
+ int ret = 0;
-int unregister_page_fault_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb);
-}
+ if (!user_mode(regs)) {
+ /* kprobe_running() needs smp_processor_id() */
+ preempt_disable();
+ if (kprobe_running() && kprobes_fault_handler(regs, trap))
+ ret = 1;
+ preempt_enable();
+ }
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
-{
- struct die_args args = {
- .regs = regs,
- .str = str,
- .err = err,
- .trapnr = trap,
- .signr = sig
- };
- return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args);
+ return ret;
}
#else
-static inline int notify_page_fault(enum die_val val, const char *str,
- struct pt_regs *regs, long err, int trap, int sig)
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
- return NOTIFY_DONE;
+ return 0;
}
#endif
@@ -117,8 +105,7 @@
/*
* This is to handle the kprobes on user space access instructions
*/
- if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, code, TRAP_BRKPT,
- SIGSEGV) == NOTIFY_STOP)
+ if (notify_page_fault(regs, TRAP_BRKPT))
return;
down_read(&mm->mmap_sem);
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index ff1c556..b362d6d 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -63,7 +63,7 @@
* Use the block transfer engine to move kernel memory from src to dest
* using the assigned mode.
*
- * Paramaters:
+ * Parameters:
* src - physical address of the transfer source.
* dest - physical address of the transfer destination.
* len - number of bytes to transfer from source to dest.
@@ -247,7 +247,7 @@
* use the block transfer engine to move kernel
* memory from src to dest using the assigned mode.
*
- * Paramaters:
+ * Parameters:
* src - physical address of the transfer source.
* dest - physical address of the transfer destination.
* len - number of bytes to transfer from source to dest.
@@ -255,7 +255,7 @@
* for IBCT0/1 in the SGI documentation.
*
* NOTE: If the source, dest, and len are all cache line aligned,
- * then it would be _FAR_ preferrable to use bte_copy instead.
+ * then it would be _FAR_ preferable to use bte_copy instead.
*/
bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
{
@@ -300,7 +300,7 @@
* a standard bte copy.
*
* One nasty exception to the above rule is when the
- * source and destination are not symetrically
+ * source and destination are not symmetrically
* mis-aligned. If the source offset from the first
* cache line is different from the destination offset,
* we make the first section be the entire transfer
@@ -337,7 +337,7 @@
if (footBcopyDest == (headBcopyDest + headBcopyLen)) {
/*
- * We have two contigous bcopy
+ * We have two contiguous bcopy
* blocks. Merge them.
*/
headBcopyLen += footBcopyLen;
@@ -375,7 +375,7 @@
} else {
/*
- * The transfer is not symetric, we will
+ * The transfer is not symmetric, we will
* allocate a buffer large enough for all the
* data, bte_copy into that buffer and then
* bcopy to the destination.
diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c
index b6fcf81..27c5936 100644
--- a/arch/ia64/sn/kernel/bte_error.c
+++ b/arch/ia64/sn/kernel/bte_error.c
@@ -105,7 +105,7 @@
}
BTE_PRINTK(("eh:%p:%d Cleaning up\n", err_nodepda, smp_processor_id()));
- /* Reenable both bte interfaces */
+ /* Re-enable both bte interfaces */
imem.ii_imem_regval = REMOTE_HUB_L(nasid, IIO_IMEM);
imem.ii_imem_fld_s.i_b0_esd = imem.ii_imem_fld_s.i_b1_esd = 1;
REMOTE_HUB_S(nasid, IIO_IMEM, imem.ii_imem_regval);
@@ -243,7 +243,7 @@
/*
* The caller has already figured out the error type, we save that
- * in the bte handle structure for the thread excercising the
+ * in the bte handle structure for the thread exercising the
* interface to consume.
*/
bte->bh_error = ioe->ie_errortype + BTEFAIL_OFFSET;
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 7ed72d3..787ed64 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -479,7 +479,7 @@
}
/*
- * prime sn_pci_provider[]. Individial provider init routines will
+ * prime sn_pci_provider[]. Individual provider init routines will
* override their respective default entries.
*/
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index a9bed5c..a574fcd 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -167,7 +167,7 @@
* IO on SN2 is done via SAL calls, early_printk won't work without this.
*
* This code duplicates some of the ACPI table parsing that is in efi.c & sal.c.
- * Any changes to those file may have to be made hereas well.
+ * Any changes to those file may have to be made here as well.
*/
efi_systab = (efi_system_table_t *) __va(ia64_boot_param->efi_systab);
config_tables = __va(efi_systab->tables);
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 5d318b5..033c8a9 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -104,7 +104,7 @@
*
* SN2 PIO writes from separate CPUs are not guaranteed to arrive in order.
* Context switching user threads which have memory-mapped MMIO may cause
- * PIOs to issue from seperate CPUs, thus the PIO writes must be drained
+ * PIOs to issue from separate CPUs, thus the PIO writes must be drained
* from the previous CPU's Shub before execution resumes on the new CPU.
*/
void sn_migrate(struct task_struct *task)
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index c08db9c..44ccc0d 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -293,7 +293,7 @@
/*
- * Pull the remote per partititon specific variables from the specified
+ * Pull the remote per partition specific variables from the specified
* partition.
*/
enum xpc_retval
@@ -461,7 +461,7 @@
// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
// >>> iterations of the for-loop, bail if set?
- // >>> should we impose a minumum #of entries? like 4 or 8?
+ // >>> should we impose a minimum #of entries? like 4 or 8?
for (nentries = ch->local_nentries; nentries > 0; nentries--) {
nbytes = nentries * ch->msg_size;
@@ -514,7 +514,7 @@
// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
// >>> iterations of the for-loop, bail if set?
- // >>> should we impose a minumum #of entries? like 4 or 8?
+ // >>> should we impose a minimum #of entries? like 4 or 8?
for (nentries = ch->remote_nentries; nentries > 0; nentries--) {
nbytes = nentries * ch->msg_size;
@@ -1478,7 +1478,7 @@
/*
- * Before proceding with the teardown we have to wait until all
+ * Before proceeding with the teardown we have to wait until all
* existing references cease.
*/
wait_event(part->teardown_wq, (atomic_read(&part->references) == 0));
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index da72135..e58fcad 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -531,7 +531,7 @@
dev_dbg(xpnet, "destination Partitions mask (dp) = 0x%lx\n", dp);
/*
- * If we wanted to allow promiscous mode to work like an
+ * If we wanted to allow promiscuous mode to work like an
* unswitched network, this would be a good point to OR in a
* mask of partitions which should be receiving all packets.
*/
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 7a291a2..d79ddac 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -333,7 +333,7 @@
/*
* First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work
* around hw issues at the pci bus level. SGI proms older than
- * 4.10 don't implment this.
+ * 4.10 don't implement this.
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
@@ -348,7 +348,7 @@
/*
* If the above failed, retry using the SAL_PROBE call which should
* be present in all proms (but which cannot work round PCI chipset
- * bugs). This code is retained for compatability with old
+ * bugs). This code is retained for compatibility with old
* pre-4.10 proms, and should be removed at some point in the future.
*/
@@ -379,7 +379,7 @@
/*
* First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work
* around hw issues at the pci bus level. SGI proms older than
- * 4.10 don't implment this.
+ * 4.10 don't implement this.
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
@@ -394,7 +394,7 @@
/*
* If the above failed, retry using the SAL_PROBE call which should
* be present in all proms (but which cannot work round PCI chipset
- * bugs). This code is retained for compatability with old
+ * bugs). This code is retained for compatibility with old
* pre-4.10 proms, and should be removed at some point in the future.
*/
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_ate.c b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
index 935029f..239b3ce 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_ate.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
@@ -30,7 +30,7 @@
/*
* find_free_ate: Find the first free ate index starting from the given
- * index for the desired consequtive count.
+ * index for the desired consecutive count.
*/
static int find_free_ate(struct ate_resource *ate_resource, int start,
int count)
@@ -88,7 +88,7 @@
return -1;
/*
- * Find the required number of free consequtive ates.
+ * Find the required number of free consecutive ates.
*/
start_index =
find_free_ate(ate_resource, ate_resource->lowest_free_index,
@@ -105,7 +105,7 @@
/*
* Allocate "count" contiguous Bridge Address Translation Entries
* on the specified bridge to be used for PCI to XTALK mappings.
- * Indices in rm map range from 1..num_entries. Indicies returned
+ * Indices in rm map range from 1..num_entries. Indices returned
* to caller range from 0..num_entries-1.
*
* Return the start index on success, -1 on failure.
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 95af40c..e626e50 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -201,7 +201,7 @@
}
/*
- * Wrapper routine for free'ing DMA maps
+ * Wrapper routine for freeing DMA maps
* DMA mappings for Direct 64 and 32 do not have any DMA maps.
*/
void
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 8a2cb4e..b9bedbd 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -223,7 +223,7 @@
/*
* Scan all vga controllers on this bus making sure they all
- * suport FW. If not, return.
+ * support FW. If not, return.
*/
list_for_each_entry(pdev, tioca_kern->ca_devices, bus_list) {
@@ -364,7 +364,7 @@
* @req_size: len (bytes) to map
*
* Map @paddr into CA address space using the GART mechanism. The mapped
- * dma_addr_t is guarenteed to be contiguous in CA bus space.
+ * dma_addr_t is guaranteed to be contiguous in CA bus space.
*/
static dma_addr_t
tioca_dma_mapped(struct pci_dev *pdev, u64 paddr, size_t req_size)
@@ -526,7 +526,7 @@
return 0;
/*
- * If card is 64 or 48 bit addresable, use a direct mapping. 32
+ * If card is 64 or 48 bit addressable, use a direct mapping. 32
* bit direct is so restrictive w.r.t. where the memory resides that
* we don't use it even though CA has some support.
*/
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 35f854f..f4c0b96 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -256,9 +256,9 @@
* @ct_addr: the coretalk address to map
* @len: number of bytes to map
*
- * Given the addressing type, set up various paramaters that define the
+ * Given the addressing type, set up various parameters that define the
* ATE pool to use. Search for a contiguous block of entries to cover the
- * length, and if enough resources exist, fill in the ATE's and construct a
+ * length, and if enough resources exist, fill in the ATEs and construct a
* tioce_dmamap struct to track the mapping.
*/
static u64
@@ -581,8 +581,8 @@
*/
if (!mapaddr && !barrier && dma_mask >= 0xffffffffffUL) {
/*
- * We have two options for 40-bit mappings: 16GB "super" ATE's
- * and 64MB "regular" ATE's. We'll try both if needed for a
+ * We have two options for 40-bit mappings: 16GB "super" ATEs
+ * and 64MB "regular" ATEs. We'll try both if needed for a
* given mapping but which one we try first depends on the
* size. For requests >64MB, prefer to use a super page with
* regular as the fallback. Otherwise, try in the reverse order.
@@ -687,8 +687,8 @@
}
/**
- * tioce_reserve_m32 - reserve M32 ate's for the indicated address range
- * @tioce_kernel: TIOCE context to reserve ate's for
+ * tioce_reserve_m32 - reserve M32 ATEs for the indicated address range
+ * @tioce_kernel: TIOCE context to reserve ATEs for
* @base: starting bus address to reserve
* @limit: last bus address to reserve
*
@@ -763,7 +763,7 @@
/*
* Set PMU pagesize to the largest size available, and zero out
- * the ate's.
+ * the ATEs.
*/
tioce_mmr = (struct tioce __iomem *)tioce_common->ce_pcibus.bs_base;
@@ -784,7 +784,7 @@
}
/*
- * Reserve ATE's corresponding to reserved address ranges. These
+ * Reserve ATEs corresponding to reserved address ranges. These
* include:
*
* Memory space covered by each PPB mem base/limit register
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 6bf6fb6..c749dcc 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -12,7 +12,7 @@
irq.o ptrace.o time.o sys_sparc.o signal.o \
unaligned.o central.o pci.o starfire.o semaphore.o \
power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \
- visemul.o prom.o of_device.o
+ visemul.o prom.o of_device.o hvapi.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index c15a3ed..732b77c 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1843,3 +1843,97 @@
mov %o1, %o0
1: retl
nop
+
+ /* %o0: API group number
+ * %o1: pointer to unsigned long major number storage
+ * %o2: pointer to unsigned long minor number storage
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_get_version
+sun4v_get_version:
+ mov HV_CORE_GET_VER, %o5
+ mov %o1, %o3
+ mov %o2, %o4
+ ta HV_CORE_TRAP
+ stx %o1, [%o3]
+ retl
+ stx %o2, [%o4]
+
+ /* %o0: API group number
+ * %o1: desired major number
+ * %o2: desired minor number
+ * %o3: pointer to unsigned long actual minor number storage
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_set_version
+sun4v_set_version:
+ mov HV_CORE_SET_VER, %o5
+ mov %o3, %o4
+ ta HV_CORE_TRAP
+ retl
+ stx %o1, [%o4]
+
+ /* %o0: pointer to unsigned long status
+ *
+ * returns %o0: signed character
+ */
+ .globl sun4v_con_getchar
+sun4v_con_getchar:
+ mov %o0, %o4
+ mov HV_FAST_CONS_GETCHAR, %o5
+ clr %o0
+ clr %o1
+ ta HV_FAST_TRAP
+ stx %o0, [%o4]
+ retl
+ sra %o1, 0, %o0
+
+ /* %o0: signed long character
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_con_putchar
+sun4v_con_putchar:
+ mov HV_FAST_CONS_PUTCHAR, %o5
+ ta HV_FAST_TRAP
+ retl
+ sra %o0, 0, %o0
+
+ /* %o0: buffer real address
+ * %o1: buffer size
+ * %o2: pointer to unsigned long bytes_read
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_con_read
+sun4v_con_read:
+ mov %o2, %o4
+ mov HV_FAST_CONS_READ, %o5
+ ta HV_FAST_TRAP
+ brnz %o0, 1f
+ cmp %o1, -1 /* break */
+ be,a,pn %icc, 1f
+ mov %o1, %o0
+ cmp %o1, -2 /* hup */
+ be,a,pn %icc, 1f
+ mov %o1, %o0
+ stx %o1, [%o4]
+1: retl
+ nop
+
+ /* %o0: buffer real address
+ * %o1: buffer size
+ * %o2: pointer to unsigned long bytes_written
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_con_write
+sun4v_con_write:
+ mov %o2, %o4
+ mov HV_FAST_CONS_WRITE, %o5
+ ta HV_FAST_TRAP
+ stx %o1, [%o4]
+ retl
+ nop
diff --git a/arch/sparc64/kernel/hvapi.c b/arch/sparc64/kernel/hvapi.c
new file mode 100644
index 0000000..f03ffc8
--- /dev/null
+++ b/arch/sparc64/kernel/hvapi.c
@@ -0,0 +1,189 @@
+/* hvapi.c: Hypervisor API management.
+ *
+ * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+
+#include <asm/hypervisor.h>
+#include <asm/oplib.h>
+
+/* If the hypervisor indicates that the API setting
+ * calls are unsupported, by returning HV_EBADTRAP or
+ * HV_ENOTSUPPORTED, we assume that API groups with the
+ * PRE_API flag set are major 1 minor 0.
+ */
+struct api_info {
+ unsigned long group;
+ unsigned long major;
+ unsigned long minor;
+ unsigned int refcnt;
+ unsigned int flags;
+#define FLAG_PRE_API 0x00000001
+};
+
+static struct api_info api_table[] = {
+ { .group = HV_GRP_SUN4V, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_CORE, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_INTR, },
+ { .group = HV_GRP_SOFT_STATE, },
+ { .group = HV_GRP_PCI, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_LDOM, },
+ { .group = HV_GRP_SVC_CHAN, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_NCS, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_NIAG_PERF, .flags = FLAG_PRE_API },
+ { .group = HV_GRP_FIRE_PERF, },
+ { .group = HV_GRP_DIAG, .flags = FLAG_PRE_API },
+};
+
+static DEFINE_SPINLOCK(hvapi_lock);
+
+static struct api_info *__get_info(unsigned long group)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(api_table); i++) {
+ if (api_table[i].group == group)
+ return &api_table[i];
+ }
+ return NULL;
+}
+
+static void __get_ref(struct api_info *p)
+{
+ p->refcnt++;
+}
+
+static void __put_ref(struct api_info *p)
+{
+ if (--p->refcnt == 0) {
+ unsigned long ignore;
+
+ sun4v_set_version(p->group, 0, 0, &ignore);
+ p->major = p->minor = 0;
+ }
+}
+
+/* Register a hypervisor API specification. It indicates the
+ * API group and desired major+minor.
+ *
+ * If an existing API registration exists '0' (success) will
+ * be returned if it is compatible with the one being registered.
+ * Otherwise a negative error code will be returned.
+ *
+ * Otherwise an attempt will be made to negotiate the requested
+ * API group/major/minor with the hypervisor, and errors returned
+ * if that does not succeed.
+ */
+int sun4v_hvapi_register(unsigned long group, unsigned long major,
+ unsigned long *minor)
+{
+ struct api_info *p;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&hvapi_lock, flags);
+ p = __get_info(group);
+ ret = -EINVAL;
+ if (p) {
+ if (p->refcnt) {
+ ret = -EINVAL;
+ if (p->major == major) {
+ *minor = p->minor;
+ ret = 0;
+ }
+ } else {
+ unsigned long actual_minor;
+ unsigned long hv_ret;
+
+ hv_ret = sun4v_set_version(group, major, *minor,
+ &actual_minor);
+ ret = -EINVAL;
+ if (hv_ret == HV_EOK) {
+ *minor = actual_minor;
+ p->major = major;
+ p->minor = actual_minor;
+ ret = 0;
+ } else if (hv_ret == HV_EBADTRAP ||
+ HV_ENOTSUPPORTED) {
+ if (p->flags & FLAG_PRE_API) {
+ if (major == 1) {
+ p->major = 1;
+ p->minor = 0;
+ *minor = 0;
+ ret = 0;
+ }
+ }
+ }
+ }
+
+ if (ret == 0)
+ __get_ref(p);
+ }
+ spin_unlock_irqrestore(&hvapi_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(sun4v_hvapi_register);
+
+void sun4v_hvapi_unregister(unsigned long group)
+{
+ struct api_info *p;
+ unsigned long flags;
+
+ spin_lock_irqsave(&hvapi_lock, flags);
+ p = __get_info(group);
+ if (p)
+ __put_ref(p);
+ spin_unlock_irqrestore(&hvapi_lock, flags);
+}
+EXPORT_SYMBOL(sun4v_hvapi_unregister);
+
+int sun4v_hvapi_get(unsigned long group,
+ unsigned long *major,
+ unsigned long *minor)
+{
+ struct api_info *p;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&hvapi_lock, flags);
+ ret = -EINVAL;
+ p = __get_info(group);
+ if (p && p->refcnt) {
+ *major = p->major;
+ *minor = p->minor;
+ ret = 0;
+ }
+ spin_unlock_irqrestore(&hvapi_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(sun4v_hvapi_get);
+
+void __init sun4v_hvapi_init(void)
+{
+ unsigned long group, major, minor;
+
+ group = HV_GRP_SUN4V;
+ major = 1;
+ minor = 0;
+ if (sun4v_hvapi_register(group, major, &minor))
+ goto bad;
+
+ group = HV_GRP_CORE;
+ major = 1;
+ minor = 1;
+ if (sun4v_hvapi_register(group, major, &minor))
+ goto bad;
+
+ return;
+
+bad:
+ prom_printf("HVAPI: Cannot register API group "
+ "%lx with major(%u) minor(%u)\n",
+ group, major, minor);
+ prom_halt();
+}
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 4510283..dea9c3c 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -269,6 +269,7 @@
void __init sun4v_patch(void)
{
+ extern void sun4v_hvapi_init(void);
struct sun4v_1insn_patch_entry *p1;
struct sun4v_2insn_patch_entry *p2;
@@ -300,6 +301,8 @@
p2++;
}
+
+ sun4v_hvapi_init();
}
#ifdef CONFIG_SMP
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 02c0d52..7bfbad5 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -51,6 +51,7 @@
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/pnp.h>
#include <linux/platform_device.h>
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index c3a6bd2..96557e6 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -1,6 +1,6 @@
/* sunhv.c: Serial driver for SUN4V hypervisor console.
*
- * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
#include <linux/module.h>
@@ -35,57 +35,51 @@
#define CON_BREAK ((long)-1)
#define CON_HUP ((long)-2)
-static inline long hypervisor_con_getchar(long *status)
-{
- register unsigned long func asm("%o5");
- register unsigned long arg0 asm("%o0");
- register unsigned long arg1 asm("%o1");
-
- func = HV_FAST_CONS_GETCHAR;
- arg0 = 0;
- arg1 = 0;
- __asm__ __volatile__("ta %6"
- : "=&r" (func), "=&r" (arg0), "=&r" (arg1)
- : "0" (func), "1" (arg0), "2" (arg1),
- "i" (HV_FAST_TRAP));
-
- *status = arg0;
-
- return (long) arg1;
-}
-
-static inline long hypervisor_con_putchar(long ch)
-{
- register unsigned long func asm("%o5");
- register unsigned long arg0 asm("%o0");
-
- func = HV_FAST_CONS_PUTCHAR;
- arg0 = ch;
- __asm__ __volatile__("ta %4"
- : "=&r" (func), "=&r" (arg0)
- : "0" (func), "1" (arg0), "i" (HV_FAST_TRAP));
-
- return (long) arg0;
-}
-
#define IGNORE_BREAK 0x1
#define IGNORE_ALL 0x2
+static char *con_write_page;
+static char *con_read_page;
+
static int hung_up = 0;
-static struct tty_struct *receive_chars(struct uart_port *port)
+static void transmit_chars_putchar(struct uart_port *port, struct circ_buf *xmit)
{
- struct tty_struct *tty = NULL;
+ while (!uart_circ_empty(xmit)) {
+ long status = sun4v_con_putchar(xmit->buf[xmit->tail]);
+
+ if (status != HV_EOK)
+ break;
+
+ xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+ port->icount.tx++;
+ }
+}
+
+static void transmit_chars_write(struct uart_port *port, struct circ_buf *xmit)
+{
+ while (!uart_circ_empty(xmit)) {
+ unsigned long ra = __pa(xmit->buf + xmit->tail);
+ unsigned long len, status, sent;
+
+ len = CIRC_CNT_TO_END(xmit->head, xmit->tail,
+ UART_XMIT_SIZE);
+ status = sun4v_con_write(ra, len, &sent);
+ if (status != HV_EOK)
+ break;
+ xmit->tail = (xmit->tail + sent) & (UART_XMIT_SIZE - 1);
+ port->icount.tx += sent;
+ }
+}
+
+static int receive_chars_getchar(struct uart_port *port, struct tty_struct *tty)
+{
int saw_console_brk = 0;
int limit = 10000;
- if (port->info != NULL) /* Unopened serial console */
- tty = port->info->tty;
-
while (limit-- > 0) {
long status;
- long c = hypervisor_con_getchar(&status);
- unsigned char flag;
+ long c = sun4v_con_getchar(&status);
if (status == HV_EWOULDBLOCK)
break;
@@ -110,27 +104,90 @@
continue;
}
- flag = TTY_NORMAL;
port->icount.rx++;
- if (c == CON_BREAK) {
- port->icount.brk++;
- if (uart_handle_break(port))
- continue;
- flag = TTY_BREAK;
- }
if (uart_handle_sysrq_char(port, c))
continue;
- if ((port->ignore_status_mask & IGNORE_ALL) ||
- ((port->ignore_status_mask & IGNORE_BREAK) &&
- (c == CON_BREAK)))
- continue;
-
- tty_insert_flip_char(tty, c, flag);
+ tty_insert_flip_char(tty, c, TTY_NORMAL);
}
- if (saw_console_brk)
+ return saw_console_brk;
+}
+
+static int receive_chars_read(struct uart_port *port, struct tty_struct *tty)
+{
+ int saw_console_brk = 0;
+ int limit = 10000;
+
+ while (limit-- > 0) {
+ unsigned long ra = __pa(con_read_page);
+ unsigned long bytes_read, i;
+ long stat = sun4v_con_read(ra, PAGE_SIZE, &bytes_read);
+
+ if (stat != HV_EOK) {
+ bytes_read = 0;
+
+ if (stat == CON_BREAK) {
+ if (uart_handle_break(port))
+ continue;
+ saw_console_brk = 1;
+ *con_read_page = 0;
+ bytes_read = 1;
+ } else if (stat == CON_HUP) {
+ hung_up = 1;
+ uart_handle_dcd_change(port, 0);
+ continue;
+ } else {
+ /* HV_EWOULDBLOCK, etc. */
+ break;
+ }
+ }
+
+ if (hung_up) {
+ hung_up = 0;
+ uart_handle_dcd_change(port, 1);
+ }
+
+ for (i = 0; i < bytes_read; i++)
+ uart_handle_sysrq_char(port, con_read_page[i]);
+
+ if (tty == NULL)
+ continue;
+
+ port->icount.rx += bytes_read;
+
+ tty_insert_flip_string(tty, con_read_page, bytes_read);
+ }
+
+ return saw_console_brk;
+}
+
+struct sunhv_ops {
+ void (*transmit_chars)(struct uart_port *port, struct circ_buf *xmit);
+ int (*receive_chars)(struct uart_port *port, struct tty_struct *tty);
+};
+
+static struct sunhv_ops bychar_ops = {
+ .transmit_chars = transmit_chars_putchar,
+ .receive_chars = receive_chars_getchar,
+};
+
+static struct sunhv_ops bywrite_ops = {
+ .transmit_chars = transmit_chars_write,
+ .receive_chars = receive_chars_read,
+};
+
+static struct sunhv_ops *sunhv_ops = &bychar_ops;
+
+static struct tty_struct *receive_chars(struct uart_port *port)
+{
+ struct tty_struct *tty = NULL;
+
+ if (port->info != NULL) /* Unopened serial console */
+ tty = port->info->tty;
+
+ if (sunhv_ops->receive_chars(port, tty))
sun_do_break();
return tty;
@@ -147,15 +204,7 @@
if (uart_circ_empty(xmit) || uart_tx_stopped(port))
return;
- while (!uart_circ_empty(xmit)) {
- long status = hypervisor_con_putchar(xmit->buf[xmit->tail]);
-
- if (status != HV_EOK)
- break;
-
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
- }
+ sunhv_ops->transmit_chars(port, xmit);
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
@@ -212,7 +261,7 @@
struct circ_buf *xmit = &port->info->xmit;
while (!uart_circ_empty(xmit)) {
- long status = hypervisor_con_putchar(xmit->buf[xmit->tail]);
+ long status = sun4v_con_putchar(xmit->buf[xmit->tail]);
if (status != HV_EOK)
break;
@@ -231,9 +280,10 @@
spin_lock_irqsave(&port->lock, flags);
while (limit-- > 0) {
- long status = hypervisor_con_putchar(ch);
+ long status = sun4v_con_putchar(ch);
if (status == HV_EOK)
break;
+ udelay(1);
}
spin_unlock_irqrestore(&port->lock, flags);
@@ -254,15 +304,15 @@
{
if (break_state) {
unsigned long flags;
- int limit = 1000000;
+ int limit = 10000;
spin_lock_irqsave(&port->lock, flags);
while (limit-- > 0) {
- long status = hypervisor_con_putchar(CON_BREAK);
+ long status = sun4v_con_putchar(CON_BREAK);
if (status == HV_EOK)
break;
- udelay(2);
+ udelay(1);
}
spin_unlock_irqrestore(&port->lock, flags);
@@ -359,38 +409,99 @@
static struct uart_port *sunhv_port;
-static inline void sunhv_console_putchar(struct uart_port *port, char c)
+/* Copy 's' into the con_write_page, decoding "\n" into
+ * "\r\n" along the way. We have to return two lengths
+ * because the caller needs to know how much to advance
+ * 's' and also how many bytes to output via con_write_page.
+ */
+static int fill_con_write_page(const char *s, unsigned int n,
+ unsigned long *page_bytes)
{
+ const char *orig_s = s;
+ char *p = con_write_page;
+ int left = PAGE_SIZE;
+
+ while (n--) {
+ if (*s == '\n') {
+ if (left < 2)
+ break;
+ *p++ = '\r';
+ left--;
+ } else if (left < 1)
+ break;
+ *p++ = *s++;
+ left--;
+ }
+ *page_bytes = p - con_write_page;
+ return s - orig_s;
+}
+
+static void sunhv_console_write_paged(struct console *con, const char *s, unsigned n)
+{
+ struct uart_port *port = sunhv_port;
unsigned long flags;
- int limit = 1000000;
spin_lock_irqsave(&port->lock, flags);
+ while (n > 0) {
+ unsigned long ra = __pa(con_write_page);
+ unsigned long page_bytes;
+ unsigned int cpy = fill_con_write_page(s, n,
+ &page_bytes);
- while (limit-- > 0) {
- long status = hypervisor_con_putchar(c);
- if (status == HV_EOK)
- break;
- udelay(2);
+ n -= cpy;
+ s += cpy;
+ while (page_bytes > 0) {
+ unsigned long written;
+ int limit = 1000000;
+
+ while (limit--) {
+ unsigned long stat;
+
+ stat = sun4v_con_write(ra, page_bytes,
+ &written);
+ if (stat == HV_EOK)
+ break;
+ udelay(1);
+ }
+ if (limit <= 0)
+ break;
+ page_bytes -= written;
+ ra += written;
+ }
}
-
spin_unlock_irqrestore(&port->lock, flags);
}
-static void sunhv_console_write(struct console *con, const char *s, unsigned n)
+static inline void sunhv_console_putchar(struct uart_port *port, char c)
+{
+ int limit = 1000000;
+
+ while (limit-- > 0) {
+ long status = sun4v_con_putchar(c);
+ if (status == HV_EOK)
+ break;
+ udelay(1);
+ }
+}
+
+static void sunhv_console_write_bychar(struct console *con, const char *s, unsigned n)
{
struct uart_port *port = sunhv_port;
+ unsigned long flags;
int i;
+ spin_lock_irqsave(&port->lock, flags);
for (i = 0; i < n; i++) {
if (*s == '\n')
sunhv_console_putchar(port, '\r');
sunhv_console_putchar(port, *s++);
}
+ spin_unlock_irqrestore(&port->lock, flags);
}
static struct console sunhv_console = {
.name = "ttyHV",
- .write = sunhv_console_write,
+ .write = sunhv_console_write_bychar,
.device = uart_console_device,
.flags = CON_PRINTBUFFER,
.index = -1,
@@ -410,6 +521,7 @@
static int __devinit hv_probe(struct of_device *op, const struct of_device_id *match)
{
struct uart_port *port;
+ unsigned long minor;
int err;
if (op->irqs[0] == 0xffffffff)
@@ -419,6 +531,22 @@
if (unlikely(!port))
return -ENOMEM;
+ minor = 1;
+ if (sun4v_hvapi_register(HV_GRP_CORE, 1, &minor) == 0 &&
+ minor >= 1) {
+ err = -ENOMEM;
+ con_write_page = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!con_write_page)
+ goto out_free_port;
+
+ con_read_page = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!con_read_page)
+ goto out_free_con_write_page;
+
+ sunhv_console.write = sunhv_console_write_paged;
+ sunhv_ops = &bywrite_ops;
+ }
+
sunhv_port = port;
port->line = 0;
@@ -437,7 +565,7 @@
err = uart_register_driver(&sunhv_reg);
if (err)
- goto out_free_port;
+ goto out_free_con_read_page;
sunhv_reg.tty_driver->name_base = sunhv_reg.minor - 64;
sunserial_current_minor += 1;
@@ -463,6 +591,12 @@
sunserial_current_minor -= 1;
uart_unregister_driver(&sunhv_reg);
+out_free_con_read_page:
+ kfree(con_read_page);
+
+out_free_con_write_page:
+ kfree(con_write_page);
+
out_free_port:
kfree(port);
sunhv_port = NULL;
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index c0a6dce..225d6b2 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -484,7 +484,7 @@
* Reusing minors is fine so long as udev or mdev is working.
*/
mutex_lock(&device_list_lock);
- minor = find_first_zero_bit(minors, ARRAY_SIZE(minors));
+ minor = find_first_zero_bit(minors, N_SPI_MINORS);
if (minor < N_SPI_MINORS) {
spidev->dev.parent = &spi->dev;
spidev->dev.class = &spidev_class;
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 579af63..370cecc 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -47,7 +47,6 @@
static const struct super_operations afs_super_ops = {
.statfs = afs_statfs,
.alloc_inode = afs_alloc_inode,
- .drop_inode = generic_delete_inode,
.write_inode = afs_write_inode,
.destroy_inode = afs_destroy_inode,
.clear_inode = afs_clear_inode,
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 28f3751..a03b92a 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -206,7 +206,6 @@
_leave(" = %d [prep]", ret);
return ret;
}
- SetPageUptodate(page);
}
try_again:
@@ -311,8 +310,8 @@
spin_unlock(&vnode->writeback_lock);
}
+ SetPageUptodate(page);
set_page_dirty(page);
-
if (PageDirty(page))
_debug("dirtied");
diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
index 1a7b07d..9fd2e32 100644
--- a/include/asm-avr32/arch-at32ap/board.h
+++ b/include/asm-avr32/arch-at32ap/board.h
@@ -30,11 +30,9 @@
struct platform_device *
at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
-struct lcdc_platform_data {
- unsigned long fbmem_start;
- unsigned long fbmem_size;
-};
+struct atmel_lcdfb_info;
struct platform_device *
-at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data);
+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+ unsigned long fbmem_start, unsigned long fbmem_len);
#endif /* __ASM_ARCH_BOARD_H */
diff --git a/include/asm-avr32/kdebug.h b/include/asm-avr32/kdebug.h
index de41927..7f54e2b 100644
--- a/include/asm-avr32/kdebug.h
+++ b/include/asm-avr32/kdebug.h
@@ -5,13 +5,22 @@
/* Grossly misnamed. */
enum die_val {
- DIE_FAULT,
DIE_BREAKPOINT,
DIE_SSTEP,
- DIE_PAGE_FAULT,
};
-int register_page_fault_notifier(struct notifier_block *nb);
-int unregister_page_fault_notifier(struct notifier_block *nb);
+/*
+ * These are only here because kprobes.c wants them to implement a
+ * blatant layering violation. Will hopefully go away soon once all
+ * architectures are updated.
+ */
+static inline int register_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+static inline int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
#endif /* __ASM_AVR32_KDEBUG_H */
diff --git a/include/asm-avr32/kprobes.h b/include/asm-avr32/kprobes.h
index 09a5cbe..190a637 100644
--- a/include/asm-avr32/kprobes.h
+++ b/include/asm-avr32/kprobes.h
@@ -26,6 +26,7 @@
kprobe_opcode_t insn[MAX_INSN_SIZE];
};
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
diff --git a/include/asm-avr32/unistd.h b/include/asm-avr32/unistd.h
index 2418cce..3b4e35b 100644
--- a/include/asm-avr32/unistd.h
+++ b/include/asm-avr32/unistd.h
@@ -296,9 +296,12 @@
#define __NR_shmctl 277
#define __NR_utimensat 278
+#define __NR_signalfd 279
+#define __NR_timerfd 280
+#define __NR_eventfd 281
#ifdef __KERNEL__
-#define NR_syscalls 279
+#define NR_syscalls 282
#define __ARCH_WANT_IPC_PARSE_VERSION
diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h
index ba211e0..320cd8e 100644
--- a/include/asm-ia64/kdebug.h
+++ b/include/asm-ia64/kdebug.h
@@ -28,14 +28,24 @@
*/
#include <linux/notifier.h>
-extern int register_page_fault_notifier(struct notifier_block *);
-extern int unregister_page_fault_notifier(struct notifier_block *);
+/*
+ * These are only here because kprobes.c wants them to implement a
+ * blatant layering violation. Will hopefully go away soon once all
+ * architectures are updated.
+ */
+static inline int register_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
+static inline int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+ return 0;
+}
enum die_val {
DIE_BREAK = 1,
DIE_FAULT,
DIE_OOPS,
- DIE_PAGE_FAULT,
DIE_MACHINE_HALT,
DIE_MACHINE_RESTART,
DIE_MCA_MONARCH_ENTER,
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 2abc98b..6382e52 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -120,6 +120,7 @@
unsigned short slot;
};
+extern int kprobes_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
unsigned long val, void *data);
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index f049bc4..d7781a2 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -296,11 +296,14 @@
#define __NR_getcpu 1304
#define __NR_epoll_pwait 1305
#define __NR_utimensat 1306
+#define __NR_signalfd 1307
+#define __NR_timerfd 1308
+#define __NR_eventfd 1309
#ifdef __KERNEL__
-#define NR_syscalls 283 /* length of syscall table */
+#define NR_syscalls 286 /* length of syscall table */
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h
index 612bf31..a5558c8 100644
--- a/include/asm-sparc64/hypervisor.h
+++ b/include/asm-sparc64/hypervisor.h
@@ -940,6 +940,54 @@
*/
#define HV_FAST_CONS_PUTCHAR 0x61
+/* con_read()
+ * TRAP: HV_FAST_TRAP
+ * FUNCTION: HV_FAST_CONS_READ
+ * ARG0: buffer real address
+ * ARG1: buffer size in bytes
+ * RET0: status
+ * RET1: bytes read or BREAK or HUP
+ * ERRORS: EWOULDBLOCK No character available.
+ *
+ * Reads characters into a buffer from the console device. If no
+ * character is available then an EWOULDBLOCK error is returned.
+ * If a character is available, then the returned status is EOK
+ * and the number of bytes read into the given buffer is provided
+ * in RET1.
+ *
+ * A virtual BREAK is represented by the 64-bit RET1 value -1.
+ *
+ * A virtual HUP signal is represented by the 64-bit RET1 value -2.
+ *
+ * If BREAK or HUP are indicated, no bytes were read into buffer.
+ */
+#define HV_FAST_CONS_READ 0x62
+
+/* con_write()
+ * TRAP: HV_FAST_TRAP
+ * FUNCTION: HV_FAST_CONS_WRITE
+ * ARG0: buffer real address
+ * ARG1: buffer size in bytes
+ * RET0: status
+ * RET1: bytes written
+ * ERRORS: EWOULDBLOCK Output buffer currently full, would block
+ *
+ * Send a characters in buffer to the console device. Breaks must be
+ * sent using con_putchar().
+ */
+#define HV_FAST_CONS_WRITE 0x63
+
+#ifndef __ASSEMBLY__
+extern long sun4v_con_getchar(long *status);
+extern long sun4v_con_putchar(long c);
+extern long sun4v_con_read(unsigned long buffer,
+ unsigned long size,
+ unsigned long *bytes_read);
+extern unsigned long sun4v_con_write(unsigned long buffer,
+ unsigned long size,
+ unsigned long *bytes_written);
+#endif
+
/* Trap trace services.
*
* The hypervisor provides a trap tracing capability for privileged
@@ -2121,8 +2169,41 @@
#define HV_FAST_MMUSTAT_INFO 0x103
/* Function numbers for HV_CORE_TRAP. */
-#define HV_CORE_VER 0x00
+#define HV_CORE_SET_VER 0x00
#define HV_CORE_PUTCHAR 0x01
#define HV_CORE_EXIT 0x02
+#define HV_CORE_GET_VER 0x03
+
+/* Hypervisor API groups for use with HV_CORE_SET_VER and
+ * HV_CORE_GET_VER.
+ */
+#define HV_GRP_SUN4V 0x0000
+#define HV_GRP_CORE 0x0001
+#define HV_GRP_INTR 0x0002
+#define HV_GRP_SOFT_STATE 0x0003
+#define HV_GRP_PCI 0x0100
+#define HV_GRP_LDOM 0x0101
+#define HV_GRP_SVC_CHAN 0x0102
+#define HV_GRP_NCS 0x0103
+#define HV_GRP_NIAG_PERF 0x0200
+#define HV_GRP_FIRE_PERF 0x0201
+#define HV_GRP_DIAG 0x0300
+
+#ifndef __ASSEMBLY__
+extern unsigned long sun4v_get_version(unsigned long group,
+ unsigned long *major,
+ unsigned long *minor);
+extern unsigned long sun4v_set_version(unsigned long group,
+ unsigned long major,
+ unsigned long minor,
+ unsigned long *actual_minor);
+
+extern int sun4v_hvapi_register(unsigned long group, unsigned long major,
+ unsigned long *minor);
+extern void sun4v_hvapi_unregister(unsigned long group);
+extern int sun4v_hvapi_get(unsigned long group,
+ unsigned long *major,
+ unsigned long *minor);
+#endif
#endif /* !(_SPARC64_HYPERVISOR_H) */
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index fd6627e..c6c1f4a 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -88,7 +88,7 @@
*/
WARN_ON_ONCE(size == 0);
- if (size >= (1 << KMALLOC_SHIFT_HIGH))
+ if (size > (1 << KMALLOC_SHIFT_HIGH))
return -1;
if (size > 64 && size <= 96)
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 40d56a3..b98b80c 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -97,25 +97,26 @@
}
}
- if (pm_ops->prepare) {
- if ((error = pm_ops->prepare(state)))
- goto Thaw;
- }
-
suspend_console();
error = device_suspend(PMSG_SUSPEND);
if (error) {
printk(KERN_ERR "Some devices failed to suspend\n");
- goto Resume_devices;
+ goto Resume_console;
}
+ if (pm_ops->prepare) {
+ if ((error = pm_ops->prepare(state)))
+ goto Resume_devices;
+ }
+
error = disable_nonboot_cpus();
if (!error)
return 0;
enable_nonboot_cpus();
- Resume_devices:
pm_finish(state);
+ Resume_devices:
device_resume();
+ Resume_console:
resume_console();
Thaw:
thaw_processes();
diff --git a/mm/filemap.c b/mm/filemap.c
index 7b48b2a..edb1b0b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -670,7 +670,8 @@
page = find_lock_page(mapping, index);
if (!page) {
if (!cached_page) {
- cached_page = alloc_page(gfp_mask);
+ cached_page =
+ __page_cache_alloc(gfp_mask);
if (!cached_page)
return NULL;
}
diff --git a/mm/slub.c b/mm/slub.c
index b39c8a6..5e3e8bc 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2522,7 +2522,7 @@
struct kmem_cache *s;
down_write(&slub_lock);
- s = find_mergeable(size, align, flags, dtor, ctor);
+ s = find_mergeable(size, align, flags, ctor, dtor);
if (s) {
s->refcount++;
/*