x86/asm/entry: Rename compat syscall entry points
Rename the following system call entry points:
ia32_cstar_target -> entry_SYSCALL_compat
ia32_syscall -> entry_INT80_compat
The generic naming scheme for x86 system call entry points is:
entry_MNEMONIC_qualifier
where 'qualifier' is one of _32, _64 or _compat.
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 9558dac..8058892 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -288,7 +288,7 @@
* path below. We set up a complete hardware stack frame to share code
* with the int 0x80 path.
*/
-ENTRY(ia32_cstar_target)
+ENTRY(entry_SYSCALL_compat)
/*
* Interrupts are off on entry.
* We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON,
@@ -409,7 +409,7 @@
RESTORE_EXTRA_REGS
jmp cstar_do_call
-END(ia32_cstar_target)
+END(entry_SYSCALL_compat)
ia32_badarg:
ASM_CLAC
@@ -445,7 +445,7 @@
* Assumes it is only called from user space and entered with interrupts off.
*/
-ENTRY(ia32_syscall)
+ENTRY(entry_INT80_compat)
/*
* Interrupts are off on entry.
* We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON,
@@ -511,7 +511,7 @@
movl %eax, %eax /* zero extension */
RESTORE_EXTRA_REGS
jmp ia32_do_call
-END(ia32_syscall)
+END(entry_INT80_compat)
.macro PTREGSCALL label, func
ALIGN
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c
index 3777189..e398d03 100644
--- a/arch/x86/entry/syscall_32.c
+++ b/arch/x86/entry/syscall_32.c
@@ -10,7 +10,7 @@
#else
#define SYM(sym, compat) sym
#define ia32_sys_call_table sys_call_table
-#define __NR_ia32_syscall_max __NR_syscall_max
+#define __NR_entry_INT80_compat_max __NR_syscall_max
#endif
#define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void SYM(sym, compat)(void) ;
@@ -23,11 +23,11 @@
extern asmlinkage void sys_ni_syscall(void);
-__visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = {
+__visible const sys_call_ptr_t ia32_sys_call_table[__NR_entry_INT80_compat_max+1] = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
*/
- [0 ... __NR_ia32_syscall_max] = &sys_ni_syscall,
+ [0 ... __NR_entry_INT80_compat_max] = &sys_ni_syscall,
#include <asm/syscalls_32.h>
};
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index a90f897..7d2961a 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -8,8 +8,8 @@
void system_call(void);
void syscall_init(void);
-void ia32_syscall(void);
-void ia32_cstar_target(void);
+void entry_INT80_compat(void);
+void entry_SYSCALL_compat(void);
void ia32_sysenter_target(void);
void x86_configure_nx(void);
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index dcaab87..599afcf 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -66,7 +66,7 @@
DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
DEFINE(NR_syscalls, sizeof(syscalls_64));
- DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
+ DEFINE(__NR_entry_INT80_compat_max, sizeof(syscalls_ia32) - 1);
DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
return 0;
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 6bec0b5..f0b85c4 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1207,7 +1207,7 @@
wrmsrl(MSR_LSTAR, system_call);
#ifdef CONFIG_IA32_EMULATION
- wrmsrl(MSR_CSTAR, ia32_cstar_target);
+ wrmsrl(MSR_CSTAR, entry_SYSCALL_compat);
/*
* This only works on Intel CPUs.
* On AMD CPUs these MSRs are 32-bit, CPU truncates MSR_IA32_SYSENTER_EIP.
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 5e0791f..edf9798 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -992,7 +992,7 @@
set_bit(i, used_vectors);
#ifdef CONFIG_IA32_EMULATION
- set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
+ set_system_intr_gate(IA32_SYSCALL_VECTOR, entry_INT80_compat);
set_bit(IA32_SYSCALL_VECTOR, used_vectors);
#endif
diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S
index 04529e62..3c43c03 100644
--- a/arch/x86/xen/xen-asm_64.S
+++ b/arch/x86/xen/xen-asm_64.S
@@ -122,7 +122,7 @@
/* 32-bit compat syscall target */
ENTRY(xen_syscall32_target)
undo_xen_syscall
- jmp ia32_cstar_target
+ jmp entry_SYSCALL_compat
ENDPROC(xen_syscall32_target)
/* 32-bit compat sysenter target */