https://github.com/torvalds/linux
The branch optimization fixes in 2.6.21 introduced a bug in atomic_sub_if_positive that causes it to return even when the sc instruction fails. The result is that e.g. down_trylock becomes unreliable as the semaphore counter is not always decremented. Original MUA-shredded patch from Morten Larsen <mlarsen@broadcom.com>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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[MIPS] Fix bug in atomic_sub_if_positive.
File | Mode | Size |
---|---|---|
Documentation | ||
arch | ||
block | ||
crypto | ||
drivers | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
scripts | ||
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virt | ||
.gitignore | -rw-r--r-- | 867 bytes |
.mailmap | -rw-r--r-- | 3.6 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 90.5 KB |
Kbuild | -rw-r--r-- | 2.4 KB |
MAINTAINERS | -rw-r--r-- | 98.3 KB |
Makefile | -rw-r--r-- | 53.8 KB |
README | -rw-r--r-- | 16.5 KB |
REPORTING-BUGS | -rw-r--r-- | 3.1 KB |
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