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authorHaim Dreyfuss <haim.dreyfuss@intel.com>2016-12-13 12:40:34 +0200
committerLuca Coelho <luciano.coelho@intel.com>2017-02-08 12:55:11 +0200
commit8373005805043efa038ca00401b9bf6959031854 (patch)
treee5917ee1980d5fcececfc66fef88783bc4b7a972 /tools/perf/pmu-events/arch/x86/nehalemex/cache.json
parent7ca00409b5bd6e79a03d1cf3982dc429f371c02b (diff)
iwlwifi: pcie: separate between SW and HW MSIX configuration
The MSIX configuration flow includes two different stages: configuring the HW by writing to the IVAR table and configuring the SW to reflect the HW configuration. The HW configuration is needed on each HW reset, whereas the SW configuration is only needed during the init flow. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'tools/perf/pmu-events/arch/x86/nehalemex/cache.json')
0 files changed, 0 insertions, 0 deletions
kthread+0x101/0x140 and this patch purely papers over the issue by adding a NULL pointer check and a WARN_ON_ONCE() to avoid the oops that would then generally make the machine unresponsive. Other callers of i915_gem_object_to_ggtt() seem to also check for the returned pointer being NULL and warn about it, so this clearly has happened before in other places. [ Reported it originally to the i915 developers on Jan 8, applying the ugly workaround on my own now after triggering the problem for the second time with no feedback. This is likely to be the same bug reported as https://bugs.freedesktop.org/show_bug.cgi?id=98829 https://bugs.freedesktop.org/show_bug.cgi?id=99134 which has a patch for the underlying problem, but it hasn't gotten to me, so I'm applying the workaround. ] Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound/soc/codecs/cs42xx8.h')