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| author |   H.J. Lu <hjl.tools@gmail.com> | 2016-07-14 12:31:53 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:30:26 +0200 |
| commit | 3ebfd81f7fb3e81a754e37283b7f38c62244641a (patch) | |
| tree | 0571e685675d58af67643e291d2b57bfd242a70d /arch/x86/include/asm/unistd.h | |
| parent | x86/smp: Remove unnecessary initialization of thread_info::cpu (diff) | |
| download | linux-dev-3ebfd81f7fb3e81a754e37283b7f38c62244641a.tar.xz linux-dev-3ebfd81f7fb3e81a754e37283b7f38c62244641a.zip | |
x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2
Don't use the same syscall numbers for 2 different syscalls:
534 x32 preadv compat_sys_preadv64
535 x32 pwritev compat_sys_pwritev64
534 x32 preadv2 compat_sys_preadv2
535 x32 pwritev2 compat_sys_pwritev2
Add compat_sys_preadv64v2() and compat_sys_pwritev64v2() so that 64-bit offset
is passed in one 64-bit register on x32, similar to compat_sys_preadv64()
and compat_sys_pwritev64().
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.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/CAMe9rOovCMf-RQfx_n1U_Tu_DX1BYkjtFr%3DQ4-_PFVSj9BCzUA@mail.gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/unistd.h')
| -rw-r--r-- | arch/x86/include/asm/unistd.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 2b19caa4081c..32712a925f26 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -26,6 +26,8 @@ # define __ARCH_WANT_COMPAT_SYS_GETDENTS64 # define __ARCH_WANT_COMPAT_SYS_PREADV64 # define __ARCH_WANT_COMPAT_SYS_PWRITEV64 +# define __ARCH_WANT_COMPAT_SYS_PREADV64V2 +# define __ARCH_WANT_COMPAT_SYS_PWRITEV64V2 # endif |