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https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision 206a73c102fc480ba072a9388bc2142c303113aa authored by David Woodhouse on 01 July 2009, 18:30:28 UTC, committed by David Woodhouse on 01 July 2009, 18:43:37 UTC 
intel-iommu: Kill superfluous mapping_lock
 
Since we're using cmpxchg64() anyway (because that's the only way to do
an atomic 64-bit store on i386), we might as well ditch the extra
locking and just use cmpxchg64() to ensure that we don't add the page
twice.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
1 parent c85994e
History
Tip revision: 206a73c102fc480ba072a9388bc2142c303113aa authored by David Woodhouse on 01 July 2009, 18:30:28 UTC
intel-iommu: Kill superfluous mapping_lock
Tip revision: 206a73c
File Mode Size
Kconfig -rw-r--r-- 37.5 KB
Makefile -rw-r--r-- 1.1 KB
calibrate.c -rw-r--r-- 5.0 KB
do_mounts.c -rw-r--r-- 9.2 KB
do_mounts.h -rw-r--r-- 1.4 KB
do_mounts_initrd.c -rw-r--r-- 3.2 KB
do_mounts_md.c -rw-r--r-- 7.9 KB
do_mounts_rd.c -rw-r--r-- 8.0 KB
initramfs.c -rw-r--r-- 12.5 KB
main.c -rw-r--r-- 22.1 KB
noinitramfs.c -rw-r--r-- 1.4 KB
version.c -rw-r--r-- 1.1 KB
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