diff options
| author |   Dominik Brodowski <linux@dominikbrodowski.net> | 2018-04-05 11:53:05 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-04-05 16:59:38 +0200 |
| commit | f8781c4a226319fe60e652118b90cf094ccfe747 (patch) | |
| tree | 1c496211debfc33f955021c62898da4c08f052cd /arch/x86/include/asm/syscall.h | |
| parent | syscalls/x86: Use 'struct pt_regs' based syscall calling for IA32_EMULATION and x32 (diff) | |
| download | linux-dev-f8781c4a226319fe60e652118b90cf094ccfe747.tar.xz linux-dev-f8781c4a226319fe60e652118b90cf094ccfe747.zip | |
syscalls/x86: Unconditionally enable 'struct pt_regs' based syscalls on x86_64
Removing CONFIG_SYSCALL_PTREGS from arch/x86/Kconfig and simply selecting
ARCH_HAS_SYSCALL_WRAPPER unconditionally on x86-64 allows us to simplify
several codepaths.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
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: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180405095307.3730-7-linux@dominikbrodowski.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/syscall.h')
| -rw-r--r-- | arch/x86/include/asm/syscall.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 17c62373a6f9..d653139857af 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -20,13 +20,13 @@ #include <asm/thread_info.h> /* for TS_COMPAT */ #include <asm/unistd.h> -#ifdef CONFIG_SYSCALL_PTREGS +#ifdef CONFIG_X86_64 typedef asmlinkage long (*sys_call_ptr_t)(const struct pt_regs *); #else typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); -#endif /* CONFIG_SYSCALL_PTREGS */ +#endif /* CONFIG_X86_64 */ extern const sys_call_ptr_t sys_call_table[]; #if defined(CONFIG_X86_32) |