[Bug 105479] [BAT] igt at debugfs_test@read_all_entries - BUG: unable to handle kernel paging request at 000003030000b16f
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Mar 13 12:38:03 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105479
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit c7fb3c6c1893fddbbd39e13066489050c29397c1
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Tue Mar 13 11:31:49 2018 +0000
drm/i915: Use sseu size for determining eu_regs[]
eu_regs[] is written 2*max_slices times (like s_reg[]) but oddly read
2*max_slices + max_subslices/2 times. Allocate the array large enough
for the writes to avoid overwriting our stack and worry about the logic
later.
Fixes: 7aa0b14ede64 ("drm/i915: Remove variable length arrays from sseu
debugfs printers")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105479
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20180313113149.1094-1-chris@chris-wilson.co.uk
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