diff options
author | Ingo Molnar <mingo@kernel.org> | 2020-06-26 12:24:42 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-06-26 12:24:42 +0200 |
commit | 2c92d787cc9fad57d05c96bd117782183768258a (patch) | |
tree | 51c0c567b8be2fd56073a8ce31f8ebd123a7d562 /tools/include/uapi/linux/fcntl.h | |
parent | 145a773aef83181d47ebab21bb33c89233aadb1e (diff) | |
parent | 8be3a53e18e0e1a98f288f6c7f5e9da3adbe9c49 (diff) |
Merge branch 'linus' into x86/entry, to resolve conflicts
Conflicts:
arch/x86/kernel/traps.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/uapi/linux/fcntl.h')
-rw-r--r-- | tools/include/uapi/linux/fcntl.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/fcntl.h b/tools/include/uapi/linux/fcntl.h index ca88b7bce553..2f86b2ad6d7e 100644 --- a/tools/include/uapi/linux/fcntl.h +++ b/tools/include/uapi/linux/fcntl.h @@ -84,10 +84,20 @@ #define DN_ATTRIB 0x00000020 /* File changed attibutes */ #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ +/* + * The constants AT_REMOVEDIR and AT_EACCESS have the same value. AT_EACCESS is + * meaningful only to faccessat, while AT_REMOVEDIR is meaningful only to + * unlinkat. The two functions do completely different things and therefore, + * the flags can be allowed to overlap. For example, passing AT_REMOVEDIR to + * faccessat would be undefined behavior and thus treating it equivalent to + * AT_EACCESS is valid undefined behavior. + */ #define AT_FDCWD -100 /* Special value used to indicate openat should use the current working directory. */ #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ +#define AT_EACCESS 0x200 /* Test access permitted for + effective IDs, not real IDs. */ #define AT_REMOVEDIR 0x200 /* Remove directory instead of unlinking file. */ #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ |