diff options
| author | Mark Brown <broonie@kernel.org> | 2024-06-15 16:24:35 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-06-15 16:24:35 +0100 |
| commit | c8d0930a047849cc816475b58656201e5a531adc (patch) | |
| tree | c617af6cca234956921a042392b36181e1b85f2e /mm/kmsan/core.c | |
| parent | 7fbc4f5e633cbc23576c32ff9773faa1788afc2d (diff) | |
| parent | 432e5074f805d0f976c7430af376a0dd07f1c6d7 (diff) | |
ASoC: codecs: lpass: add support for v2.5 rx macro
Merge series from Srinivas Kandagatla <srinivas.kandagatla@linaro.org>:
This patchset adds support to reading codec version and also adds
support for v2.5 codec version in rx macro.
LPASS 2.5 and up versions have changes in some of the rx blocks which
are required to get headset functional correctly.
Tested this on SM8450, X13s and x1e80100 crd.
This changes also fixes issue with sm8450, sm8550, sm8660 and x1e80100.
Diffstat (limited to 'mm/kmsan/core.c')
| -rw-r--r-- | mm/kmsan/core.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/kmsan/core.c b/mm/kmsan/core.c index cf2d70e9c9a5..95f859e38c53 100644 --- a/mm/kmsan/core.c +++ b/mm/kmsan/core.c @@ -196,8 +196,7 @@ void kmsan_internal_set_shadow_origin(void *addr, size_t size, int b, u32 origin, bool checked) { u64 address = (u64)addr; - void *shadow_start; - u32 *origin_start; + u32 *shadow_start, *origin_start; size_t pad = 0; KMSAN_WARN_ON(!kmsan_metadata_is_contiguous(addr, size)); @@ -225,8 +224,16 @@ void kmsan_internal_set_shadow_origin(void *addr, size_t size, int b, origin_start = (u32 *)kmsan_get_metadata((void *)address, KMSAN_META_ORIGIN); - for (int i = 0; i < size / KMSAN_ORIGIN_SIZE; i++) - origin_start[i] = origin; + /* + * If the new origin is non-zero, assume that the shadow byte is also non-zero, + * and unconditionally overwrite the old origin slot. + * If the new origin is zero, overwrite the old origin slot iff the + * corresponding shadow slot is zero. + */ + for (int i = 0; i < size / KMSAN_ORIGIN_SIZE; i++) { + if (origin || !shadow_start[i]) + origin_start[i] = origin; + } } struct page *kmsan_vmalloc_to_page_or_null(void *vaddr) |