| commit | 670bc5b5c9262a425c09d44f092348f78c0d9fe6 | |
| 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> | |
| Tue, 6 Mar 2007 14:13:01 +0000 (6 14:13 +0000) | ||
| tree | 2c1756fdadb3957cdae5b66f790fbdce201778a3 | treesnapshot (tar.gz zip) |
| parent | 28a3a7fc2dfad409b1d6555b0e9e67b515db9c37 | 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 |