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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
commit50ba0232fd5312410f1b65247e774244f89a628e (patch)
treefd8f2fc78e9e548af0ff9590276602ee6125be00 /arch/arm64/mm/kasan_init.c
parentReleasing progress-linux version 6.7.12-1~progress7.99u1. (diff)
downloadlinux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz
linux-50ba0232fd5312410f1b65247e774244f89a628e.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/mm/kasan_init.c')
-rw-r--r--arch/arm64/mm/kasan_init.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index 555285ebd5..4c7ad574b9 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -170,6 +170,11 @@ asmlinkage void __init kasan_early_init(void)
{
BUILD_BUG_ON(KASAN_SHADOW_OFFSET !=
KASAN_SHADOW_END - (1UL << (64 - KASAN_SHADOW_SCALE_SHIFT)));
+ /*
+ * We cannot check the actual value of KASAN_SHADOW_START during build,
+ * as it depends on vabits_actual. As a best-effort approach, check
+ * potential values calculated based on VA_BITS and VA_BITS_MIN.
+ */
BUILD_BUG_ON(!IS_ALIGNED(_KASAN_SHADOW_START(VA_BITS), PGDIR_SIZE));
BUILD_BUG_ON(!IS_ALIGNED(_KASAN_SHADOW_START(VA_BITS_MIN), PGDIR_SIZE));
BUILD_BUG_ON(!IS_ALIGNED(KASAN_SHADOW_END, PGDIR_SIZE));