diff options
| author | Colin Cross <ccross@android.com> | 2012-10-08 14:01:12 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-12-03 11:47:23 -0800 |
| commit | e84ad739d8a2143e5cd284a4c0462278587e4aa3 (patch) | |
| tree | 923ceb6136a4e877fff38bbaa504d055308f229a /virt/kvm | |
| parent | fc6058e1a4cc1f76aab5c580322e109cf448ec9b (diff) | |
ARM: OMAP: counter: add locking to read_persistent_clock
commit 9d7d6e363b06934221b81a859d509844c97380df upstream.
read_persistent_clock uses a global variable, use a spinlock to
ensure non-atomic updates to the variable don't overlap and cause
time to move backwards.
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'virt/kvm')
0 files changed, 0 insertions, 0 deletions