| commit | d52c2d5a626a2cb1848fa7063b3ab79e2752dac7 | |
| author | Dave Johnson <djohnson+linux-mips@sw.starentnetworks.com> | |
| Tue, 6 Mar 2007 01:50:27 +0000 (5 20:50 -0500) | ||
| committer | Ralf Baechle <ralf@linux-mips.org> | |
| Wed, 7 Mar 2007 00:07:17 +0000 (7 00:07 +0000) | ||
| tree | de525a4b04f3710d965a662f26d402e872a21247 | treesnapshot (tar.gz zip) |
| parent | d0c91ae2bb3df9d7bef279d8f400e0c8ddde0b5e | commitdiff |
[MIPS] Fix __raw_read_trylock() to allow multiple readers
A deadlock can occur for mixed irq and non-irq rwlock readers if a 2nd
reader attempts to take lock by looping around __raw_read_trylock().
Signed-off-by: Dave Johnson <djohnson+linux-mips@sw.starentnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
A deadlock can occur for mixed irq and non-irq rwlock readers if a 2nd
reader attempts to take lock by looping around __raw_read_trylock().
Signed-off-by: Dave Johnson <djohnson+linux-mips@sw.starentnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| include/asm-mips/spinlock.h | diffblobblamehistory |