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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 10:39:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 10:39:17 -0700 |
| commit | 793ae77469121227cd910c4b99f24be1de34bcca (patch) | |
| tree | ca8b6bbafab35c5c1099c54696c36dc0b8c17cf7 /fs | |
| parent | 59a49e38711a146dc0bef4837c825b5422335460 (diff) | |
Add "memory" clobbers to the x86 inline asm of strncmp and friends
They don't actually clobber memory, but gcc doesn't even know they
_read_ memory, so can apparently re-order memory accesses around them.
Which obviously does the wrong thing if the memory access happens to
change the memory that the compare function is accessing..
Verified to fix a strange boot problem by Jens Axboe.
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions