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authorJiri Kosina <jkosina@suse.cz>2007-12-05 02:45:05 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-12-05 12:21:18 -0500
commit372a302e9a892229206aafca0352584a745bc5f3 (patch)
tree14cf4e06735d8dd9284e843f36a5abcfcc4cc476 /security
parent5cd17569fd0eeca510735e63a6061291e3971bf6 (diff)
RTC: assure proper memory ordering with respect to RTC_DEV_BUSY flag
We must make sure that the RTC_DEV_BUSY flag has proper lock semantics, i.e. that the RTC_DEV_BUSY stores clearing the flag don't get reordered before the preceeding stores and loads and vice versa. Spotted by Nick Piggin. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: David Brownell <david-b@pacbell.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions