[tip: timers/vdso] arm64: Make asm/cache.h compatible with vDSO

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The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     4b6708a4a15dc73ac487f65ba0c6bb13dd6e42ff
Gitweb:        https://git.kernel.org/tip/4b6708a4a15dc73ac487f65ba0c6bb13dd6e42ff
Author:        Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
AuthorDate:    Tue, 25 Feb 2025 13:36:34 +01:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Mon, 03 Mar 2025 10:24:33 +01:00

arm64: Make asm/cache.h compatible with vDSO

asm/cache.h can be used during the vDSO build through vdso/cache.h.
Not all definitions in it are compatible with the vDSO, especially the
compat vDSO.

Hide the more complex definitions from the vDSO build.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

---
 arch/arm64/include/asm/cache.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index 06a4670..99cd654 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -35,7 +35,7 @@
 #define ARCH_DMA_MINALIGN	(128)
 #define ARCH_KMALLOC_MINALIGN	(8)
 
-#ifndef __ASSEMBLY__
+#if !defined(__ASSEMBLY__) && !defined(BUILD_VDSO)
 
 #include <linux/bitops.h>
 #include <linux/kasan-enabled.h>
@@ -118,6 +118,6 @@ static inline u32 __attribute_const__ read_cpuid_effective_cachetype(void)
 	return ctr;
 }
 
-#endif	/* __ASSEMBLY__ */
+#endif /* !defined(__ASSEMBLY__) && !defined(BUILD_VDSO) */
 
 #endif





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