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(parent: f19d90e) | patch
drm/i915: Fix off-by-one in reporting hanging process
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 15 Mar 2019 16:39:33 +0000 (16:39 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 15 Mar 2019 21:10:08 +0000 (21:10 +0000)
commit9073e5b26743b8b675cc44a9c0c8f8c3d584e1c0
treea021675cac36501a2a6df97213608b8f9b4299b5tree | snapshot
parentf19d90eed648d48b764abc3799f4cb9de4a4079fcommit | diff
drm/i915: Fix off-by-one in reporting hanging process

ffs() is 1-indexed, but we want to use it as an index into an array, so
use __ffs() instead.

Fixes: eb8d0f5af4ec ("drm/i915: Remove GPU reset dependence on struct_mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190315163933.19352-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gpu_error.c diff | blob | history
Domain: System / Kernel;