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authorChris Wilson <chris@chris-wilson.co.uk>2016-07-05 08:54:36 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-07-05 10:58:07 +0100
commitb1379d49646e791def9a1c81ff7f04d571e71d7c (patch)
tree8bf1afa2c9b6eff8a2803ebc48fd7fded3c5a3c6 /drivers/gpu/drm/atmel-hlcdc
parentaf1346a0f38fe5b762729a91ed10c7c7f59b76c9 (diff)
drm/i915: Replace lockless_dereference(bool) with READ_ONCE()
After Joonas complained about using READ_ONCE() on the only use of the variable in the function, where the intent was to simply document that the read was intentionally racy and unlocked, I switched the READ_ONCE() over to lockless_dereference(). However, in linux-next that has a stronger type-check to only allow pointers and is no longer interchangeable with READ_ONCE(), see commit 331b6d8c7afc ("locking/barriers: Validate lockless_dereference() is used on a pointer type") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 67d97da34917 ("drm/i915: Only start retire worker when idle") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/1467705276-707-1-git-send-email-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc')
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