The macros are useful for KVM which needs to manage how CLIDR is exposed
to vcpu so move them to include/asm/cache.h, which KVM can refer to.
Signed-off-by: Akihiko Odaki <akihiko.odaki@xxxxxxxxxx>
---
arch/arm64/include/asm/cache.h | 6 ++++++
arch/arm64/kernel/cacheinfo.c | 5 -----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index c0b178d1bb4f..ab7133654a72 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -16,6 +16,12 @@
#define CLIDR_LOC(clidr) (((clidr) >> CLIDR_LOC_SHIFT) & 0x7)
#define CLIDR_LOUIS(clidr) (((clidr) >> CLIDR_LOUIS_SHIFT) & 0x7)
+/* Ctypen, bits[3(n - 1) + 2 : 3(n - 1)], for n = 1 to 7 */
+#define CLIDR_CTYPE_SHIFT(level) (3 * (level - 1))
+#define CLIDR_CTYPE_MASK(level) (7 << CLIDR_CTYPE_SHIFT(level))
+#define CLIDR_CTYPE(clidr, level) \
+ (((clidr) & CLIDR_CTYPE_MASK(level)) >> CLIDR_CTYPE_SHIFT(level))
+
/*
* Memory returned by kmalloc() may be used for DMA, so we must make
* sure that all such allocations are cache aligned. Otherwise,
diff --git a/arch/arm64/kernel/cacheinfo.c b/arch/arm64/kernel/cacheinfo.c
index 97c42be71338..daa7b3f55997 100644
--- a/arch/arm64/kernel/cacheinfo.c
+++ b/arch/arm64/kernel/cacheinfo.c
@@ -11,11 +11,6 @@
#include <linux/of.h>
#define MAX_CACHE_LEVEL 7 /* Max 7 level supported */
-/* Ctypen, bits[3(n - 1) + 2 : 3(n - 1)], for n = 1 to 7 */
-#define CLIDR_CTYPE_SHIFT(level) (3 * (level - 1))
-#define CLIDR_CTYPE_MASK(level) (7 << CLIDR_CTYPE_SHIFT(level))
-#define CLIDR_CTYPE(clidr, level) \
- (((clidr) & CLIDR_CTYPE_MASK(level)) >> CLIDR_CTYPE_SHIFT(level))
int cache_line_size(void)
{
--
2.38.1
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
