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authorLinus Torvalds <torvalds@linux-foundation.org>2024-08-03 19:03:21 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2024-08-03 19:03:21 +0300
commit1dd950f2888f63ec163f3f142161e21a66685e35 (patch)
tree332a788c7a934c5d4f2f9b7bd801a2962115719a /arch/parisc/include/asm
parentb6547e54864b998af21fdcaa0a88cf8e7efe641a (diff)
parent7ae04ba36b381bffe2471eff3a93edced843240f (diff)
downloadlinux-1dd950f2888f63ec163f3f142161e21a66685e35.tar.xz
Merge tag 'parisc-for-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller: - fix unaligned memory accesses when calling BPF functions - adjust memory size constants to fix possible DMA corruptions * tag 'parisc-for-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: fix a possible DMA corruption parisc: fix unaligned accesses in BPF
Diffstat (limited to 'arch/parisc/include/asm')
-rw-r--r--arch/parisc/include/asm/cache.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h
index 2a60d7a72f1f..a3f0f100f219 100644
--- a/arch/parisc/include/asm/cache.h
+++ b/arch/parisc/include/asm/cache.h
@@ -20,7 +20,16 @@
#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+#ifdef CONFIG_PA20
+#define ARCH_DMA_MINALIGN 128
+#else
+#define ARCH_DMA_MINALIGN 32
+#endif
+#define ARCH_KMALLOC_MINALIGN 16 /* ldcw requires 16-byte alignment */
+
+#define arch_slab_minalign() ((unsigned)dcache_stride)
+#define cache_line_size() dcache_stride
+#define dma_get_cache_alignment cache_line_size
#define __read_mostly __section(".data..read_mostly")