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Subject[tip:x86/asm] syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention
Commit-ID:  c76fc98260751e71c884dc1a18a07e427ef033b5
Gitweb: https://git.kernel.org/tip/c76fc98260751e71c884dc1a18a07e427ef033b5
Author: Dominik Brodowski <linux@dominikbrodowski.net>
AuthorDate: Mon, 9 Apr 2018 12:51:45 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 9 Apr 2018 16:47:28 +0200

syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention

Make the code in syscall_wrapper.h more readable by naming the stub macros
similar to the stub they provide. While at it, fix a stray newline at the
end of the __IA32_COMPAT_SYS_STUBx macro.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180409105145.5364-5-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/asm/syscall_wrapper.h | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h
index a598013e08e9..e046a405743d 100644
--- a/arch/x86/include/asm/syscall_wrapper.h
+++ b/arch/x86/include/asm/syscall_wrapper.h
@@ -28,7 +28,7 @@
* kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this
* case as well.
*/
-#define COMPAT_SC_IA32_STUBx(x, name, ...) \
+#define __IA32_COMPAT_SYS_STUBx(x, name, ...) \
asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs);\
ALLOW_ERROR_INJECTION(__ia32_compat_sys##name, ERRNO); \
asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs)\
@@ -36,7 +36,7 @@
return __se_compat_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\
} \

-#define SC_IA32_WRAPPERx(x, name, ...) \
+#define __IA32_SYS_STUBx(x, name, ...) \
asmlinkage long __ia32_sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__ia32_sys##name, ERRNO); \
asmlinkage long __ia32_sys##name(const struct pt_regs *regs) \
@@ -64,8 +64,8 @@
SYSCALL_ALIAS(__ia32_sys_##name, sys_ni_posix_timers)

#else /* CONFIG_IA32_EMULATION */
-#define COMPAT_SC_IA32_STUBx(x, name, ...)
-#define SC_IA32_WRAPPERx(x, fullname, name, ...)
+#define __IA32_COMPAT_SYS_STUBx(x, name, ...)
+#define __IA32_SYS_STUBx(x, fullname, name, ...)
#endif /* CONFIG_IA32_EMULATION */


@@ -75,7 +75,7 @@
* of the x86-64-style parameter ordering of x32 syscalls. The syscalls common
* with x86_64 obviously do not need such care.
*/
-#define COMPAT_SC_X32_STUBx(x, name, ...) \
+#define __X32_COMPAT_SYS_STUBx(x, name, ...) \
asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs);\
ALLOW_ERROR_INJECTION(__x32_compat_sys##name, ERRNO); \
asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs)\
@@ -84,7 +84,7 @@
} \

#else /* CONFIG_X86_X32 */
-#define COMPAT_SC_X32_STUBx(x, name, ...)
+#define __X32_COMPAT_SYS_STUBx(x, name, ...)
#endif /* CONFIG_X86_X32 */


@@ -97,8 +97,8 @@
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
- COMPAT_SC_IA32_STUBx(x, name, __VA_ARGS__) \
- COMPAT_SC_X32_STUBx(x, name, __VA_ARGS__) \
+ __IA32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \
+ __X32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \
static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
@@ -163,7 +163,7 @@
{ \
return __se_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
- SC_IA32_WRAPPERx(x, name, __VA_ARGS__) \
+ __IA32_SYS_STUBx(x, name, __VA_ARGS__) \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
\
 
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