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authorH. Peter Anvin <hpa@zytor.com>2012-02-07 21:09:05 -0800
committerH. Peter Anvin <hpa@zytor.com>2012-02-14 12:47:21 -0800
commit8b3d1cda4f5ff0d7c2ae910ea8fd03493996912f (patch)
treec03be096f3e8b3205e749277d7274ec5ea95fae7 /fs/file.c
parent2759e6512e0bd9f9a84e10f59fb71195e7ff9775 (diff)
posix_types: Remove fd_set macros
<asm/posix_types.h> includes a set of macros that operate on file descriptors. Way long ago those were exported to user space, but nowadays they are #ifdef __KERNEL__. However, they are nothing but standard (nonatomic) bit operations, and we already have optimized versions of bit operations in the kernel. We can't include <linux/bitops.h> in <asm/posix_types.h> but we can move the definitions to <linux/time.h> and define them there in terms of standard kernel bitops. [ v2: folds the following fixes in: a) Stray space in __FD_SET(), reported by Andrew Morton b) #include <linux/string.h> needed for memset(), reported by Tony Luck ] Signed-off-by: H. Peter Anvin <hpa@zytor.com> Link: http://lkml.kernel.org/r/1328677745-20121-22-git-send-email-hpa@zytor.com Cc: Arnd Bergmann <arnd@arndb.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org>
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