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authorTobias Klauser <tklauser@distanz.ch>2015-10-29 14:18:03 +0100
committerTobias Klauser <tklauser@distanz.ch>2015-10-29 14:20:46 +0100
commitdbd83f04dfb4b4265a290bad6a1813825f7ab3c6 (patch)
tree7565751ab618dcb5b130e990c1336614d878cdad /flowtop/Makefile
parenta81b515484828e0cff848fb7689d4a4b77f020d8 (diff)
ring: Move generic code for ring layout setup to own function
Initialization of the ring->layout members is the same for RX and TX rings. Instead of duplicating the code in setup_rx_ring_layout() and setup_tx_ring_layout(), create a new function setup_ring_layout_generic() which is called from the former two. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'flowtop/Makefile')
0 files changed, 0 insertions, 0 deletions
x60 [drm_kms_helper] intel_fbdev_set_par+0x18/0x70 [i915] fb_set_var+0x236/0x460 fbcon_blank+0x30f/0x350 do_unblank_screen+0xd2/0x1a0 vt_ioctl+0x507/0x12a0 tty_ioctl+0x355/0xc30 do_vfs_ioctl+0xa3/0x5e0 SyS_ioctl+0x79/0x90 entry_SYSCALL_64_fastpath+0x13/0x94 - i915 unpin_work workqueue: intel_unpin_work_fn+0x58/0x140 [i915] process_one_work+0x1f1/0x480 worker_thread+0x48/0x4d0 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 'fs/xfs/libxfs/xfs_sb.c')