diff options
| author | Andrzej Hajda <[email protected]> | 2022-11-14 11:38:24 +0100 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-11-30 08:44:00 -0800 |
| commit | 04aa64375f48a5d430b5550d9271f8428883e550 (patch) | |
| tree | edf677f29dd9a9eae66a7ac0ce57562354c780f7 /scripts/gdb/linux/vmalloc.py | |
| parent | 01f856ae6d0ca5ad0505b79bf2d22d7ca439b2a1 (diff) | |
drm/i915: fix TLB invalidation for Gen12 video and compute engines
In case of Gen12 video and compute engines, TLB_INV registers are masked -
to modify one bit, corresponding bit in upper half of the register must
be enabled, otherwise nothing happens.
CVE: CVE-2022-4139
Suggested-by: Chris Wilson <[email protected]>
Signed-off-by: Andrzej Hajda <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Fixes: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store")
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'scripts/gdb/linux/vmalloc.py')
0 files changed, 0 insertions, 0 deletions