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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-04-23 14:37:54 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-04-24 15:46:27 +0300 |
| commit | 1c3c1dc66a9664a9b7048c3869fa7863be9123a0 (patch) | |
| tree | 04ade564e51b91927a4d9eb42d52d7cdf03ed7b9 /drivers/ide/ide-scan-pci.c | |
| parent | 3085982c6b45d7d22f76e3aa018affbc143a7370 (diff) | |
drm/i915: Add compiler barrier to wait_for
We need to be careful to not let compiler evaluate
the expiration and the operation on it's terms.
Document and enforce that COND will be evaluated
before checking timeout expiration.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180423113754.28424-2-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers/ide/ide-scan-pci.c')
0 files changed, 0 insertions, 0 deletions