[ Sasha's backport helper bot ]
Hi,
Found matching upstream commit: 7ae04ba36b381bffe2471eff3a93edced843240f
WARNING: Author mismatch between patch and found commit: Backport author: mingli.yu@eng.windriver.com Commit author: Mikulas Patocka mpatocka@redhat.com
Status in newer kernel trees: 6.12.y | Present (exact SHA1) 6.11.y | Present (exact SHA1) 6.6.y | Present (different SHA1: 642a0b7453da) 6.1.y | Present (different SHA1: 00baca74fb58) 5.15.y | Not found
Note: The patch differs from the upstream commit: --- 1: 7ae04ba36b381 ! 1: 398696f6c5132 parisc: fix a possible DMA corruption @@ Metadata ## Commit message ## parisc: fix a possible DMA corruption
+ [ Upstream commit 7ae04ba36b381bffe2471eff3a93edced843240f] + ARCH_DMA_MINALIGN was defined as 16 - this is too small - it may be possible that two unrelated 16-byte allocations share a cache line. If one of these allocations is written using DMA and the other is written @@ Commit message Signed-off-by: Mikulas Patocka mpatocka@redhat.com Cc: stable@vger.kernel.org Signed-off-by: Helge Deller deller@gmx.de + Signed-off-by: Mingli Yu mingli.yu@windriver.com
## arch/parisc/Kconfig ## @@ arch/parisc/Kconfig: config PARISC + select ARCH_SPLIT_ARG64 if !64BIT select ARCH_SUPPORTS_HUGETLBFS if PA20 select ARCH_SUPPORTS_MEMORY_FAILURE - select ARCH_STACKWALK + select ARCH_HAS_CACHE_LINE_SIZE - select ARCH_HAS_DEBUG_VM_PGTABLE - select HAVE_RELIABLE_STACKTRACE select DMA_OPS + select RTC_CLASS + select RTC_DRV_GENERIC
## arch/parisc/include/asm/cache.h ## @@ ---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-5.15.y | Success | Success |