[PATCH v3 0/2] Fixes for map() path
Brajesh Gupta <[email protected]>
| Newsgroups | org.kernel.vger.linux-kernel,org.freedesktop.lists.dri-devel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
Two changes in map() path fix a kernel crash and a map failure. Patch 0 fixes error path handling which triggers a kernel crash. Patch 1 fixes prealloc page table memory requirement for a mapping which led to map failure due to running out of page table space. Signed-off-by: Brajesh Gupta <[email protected]> --- Changes in v3: - Fix the description update suggested for patch 1 in v2. - Link to v2: https://lore.kernel.org/r/[email protected] Changes in v2: - Update as per Alessio's feedback. - Fixed variable name in the description. Move the error message to a new line. - Link to v1: https://lore.kernel.org/r/[email protected] --- Brajesh Gupta (2): drm/imagination: Propagate map failures correctly from pvr_mmu_map_sgl() drm/imagination: Fix page count for page table for map() interface drivers/gpu/drm/imagination/pvr_mmu.c | 19 ++++++++++++------- drivers/gpu/drm/imagination/pvr_mmu.h | 2 +- drivers/gpu/drm/imagination/pvr_vm.c | 4 ++-- 3 files changed, 15 insertions(+), 10 deletions(-) --- base-commit: bd4f284df04d76fd65e57141cb1e6e7a49e4c3cb change-id: 20260902-mmu_fix-3923aca60f60 Best regards, -- Brajesh Gupta <[email protected]>