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tools arch x86 uapi: Synch asm/unistd.h with the kernel sources

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To pick up the change in:

  700d3a5a66 ("x86/syscalls: Revert "x86/syscalls: Make __X32_SYSCALL_BIT be unsigned long"")

That doesn't trigger any changes in tooling and silences this perf build
warning:

  Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/unistd.h' differs from latest version at 'arch/x86/include/uapi/asm/unistd.h'
  diff -u tools/arch/x86/include/uapi/asm/unistd.h arch/x86/include/uapi/asm/unistd.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2020-06-08 11:23:33 -03:00
parent 6c3c184fc4
commit 7e579f3a07
1 changed files with 8 additions and 1 deletions
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9
tools/arch/x86/include/uapi/asm/unistd.h
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@ -2,7 +2,14 @@
#ifndef _UAPI_ASM_X86_UNISTD_H
#define _UAPI_ASM_X86_UNISTD_H
/* x32 syscall flag bit */
/*
* x32 syscall flag bit. Some user programs expect syscall NR macros
* and __X32_SYSCALL_BIT to have type int, even though syscall numbers
* are, for practical purposes, unsigned long.
*
* Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right
* thing regardless.
*/
#define __X32_SYSCALL_BIT 0x40000000
#ifndef __KERNEL__