summaryrefslogtreecommitdiff
path: root/include/linux/randomize_kstack.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2024-04-22 14:35:22 +1000
committerDave Airlie <airlied@redhat.com>2024-04-22 14:35:52 +1000
commit0208ca55aa9c9b997da1f5bc45c4e98916323f08 (patch)
treee3130b2116f7738ac7cd79ad71698f545bb7db69 /include/linux/randomize_kstack.h
parent2871ec40994912ce4f2e2d5072a428eb84c77d3c (diff)
parented30a4a51bb196781c8058073ea720133a65596f (diff)
Backmerge tag 'v6.9-rc5' into drm-next
Linux 6.9-rc5 I've had a persistent msm failure on clang, and the fix is in fixes so just pull it back to fix that. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/randomize_kstack.h')
-rw-r--r--include/linux/randomize_kstack.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/randomize_kstack.h b/include/linux/randomize_kstack.h
index 5d868505a94e..6d92b68efbf6 100644
--- a/include/linux/randomize_kstack.h
+++ b/include/linux/randomize_kstack.h
@@ -80,7 +80,7 @@ DECLARE_PER_CPU(u32, kstack_offset);
if (static_branch_maybe(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT, \
&randomize_kstack_offset)) { \
u32 offset = raw_cpu_read(kstack_offset); \
- offset ^= (rand); \
+ offset = ror32(offset, 5) ^ (rand); \
raw_cpu_write(kstack_offset, offset); \
} \
} while (0)