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author | Andy Lutomirski <luto@kernel.org> | 2015-10-06 03:48:06 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-10-09 10:41:08 +0300 |
commit | 034042cc1e2837a584cda0a5e4fc2b0a96b74543 (patch) | |
tree | 466f1ada1f215c45ba3cb1ce7c14f4fe5e17f758 /arch/x86 | |
parent | 8169aff611956ed360e3313e8c718f530f58f6cb (diff) | |
download | linux-034042cc1e2837a584cda0a5e4fc2b0a96b74543.tar.xz |
x86/entry/syscalls: Move syscall table declarations into asm/syscalls.h
The header was missing some compat declarations.
Also make sys_call_ptr_t have a consistent type.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
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
Link: http://lkml.kernel.org/r/3166aaff0fb43897998fcb6ef92991533f8c5c6c.1444091585.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/entry/syscall_32.c | 5 | ||||
-rw-r--r-- | arch/x86/include/asm/syscall.h | 12 | ||||
-rw-r--r-- | arch/x86/um/sys_call_table_32.c | 3 | ||||
-rw-r--r-- | arch/x86/um/sys_call_table_64.c | 3 |
4 files changed, 14 insertions, 9 deletions
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c index 8ea34f94e973..429460d7721e 100644 --- a/arch/x86/entry/syscall_32.c +++ b/arch/x86/entry/syscall_32.c @@ -4,13 +4,12 @@ #include <linux/sys.h> #include <linux/cache.h> #include <asm/asm-offsets.h> +#include <asm/syscall.h> #ifdef CONFIG_IA32_EMULATION #define SYM(sym, compat) compat #else #define SYM(sym, compat) sym -#define ia32_sys_call_table sys_call_table -#define __NR_syscall_compat_max __NR_syscall_max #endif #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void SYM(sym, compat)(void) ; @@ -19,8 +18,6 @@ #define __SYSCALL_I386(nr, sym, compat) [nr] = SYM(sym, compat), -typedef asmlinkage void (*sys_call_ptr_t)(void); - extern asmlinkage void sys_ni_syscall(void); __visible const sys_call_ptr_t ia32_sys_call_table[__NR_syscall_compat_max+1] = { diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index d6a756ae04c8..f3ff2ef36e19 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -20,9 +20,19 @@ #include <asm/thread_info.h> /* for TS_COMPAT */ #include <asm/unistd.h> -typedef void (*sys_call_ptr_t)(void); +typedef asmlinkage void (*sys_call_ptr_t)(void); extern const sys_call_ptr_t sys_call_table[]; +#if defined(CONFIG_X86_32) +#define ia32_sys_call_table sys_call_table +#define __NR_syscall_compat_max __NR_syscall_max +#define IA32_NR_syscalls NR_syscalls +#endif + +#if defined(CONFIG_IA32_EMULATION) +extern const sys_call_ptr_t ia32_sys_call_table[]; +#endif + /* * Only the low 32 bits of orig_ax are meaningful, so we return int. * This importantly ignores the high bits on 64-bit, so comparisons diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c index bd16d6c370ec..d738e9c96036 100644 --- a/arch/x86/um/sys_call_table_32.c +++ b/arch/x86/um/sys_call_table_32.c @@ -7,6 +7,7 @@ #include <linux/sys.h> #include <linux/cache.h> #include <generated/user_constants.h> +#include <asm/syscall.h> #define __NO_STUBS @@ -30,8 +31,6 @@ #undef __SYSCALL_I386 #define __SYSCALL_I386(nr, sym, compat) [ nr ] = sym, -typedef asmlinkage void (*sys_call_ptr_t)(void); - extern asmlinkage void sys_ni_syscall(void); const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c index a75d8700472a..1ff9a21b2645 100644 --- a/arch/x86/um/sys_call_table_64.c +++ b/arch/x86/um/sys_call_table_64.c @@ -7,6 +7,7 @@ #include <linux/sys.h> #include <linux/cache.h> #include <generated/user_constants.h> +#include <asm/syscall.h> #define __NO_STUBS @@ -43,8 +44,6 @@ #undef __SYSCALL_64 #define __SYSCALL_64(nr, sym, compat) [ nr ] = sym, -typedef void (*sys_call_ptr_t)(void); - extern void sys_ni_syscall(void); const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { |