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authorTony Lindgren <tony@atomide.com>2021-02-15 06:41:56 +0200
committerTony Lindgren <tony@atomide.com>2021-02-15 06:41:56 +0200
commit857de6fe2f86b009df620f7cdb07c262cc17070d (patch)
treee9718ebeeef39485a51a9f8e3c8122da18c796cf /arch/arm64/include/asm/memory.h
parentARM: dts: am33xx: add aliases for mmc interfaces (diff)
parentARM: OMAP2+: Fix smartreflex init regression after dropping legacy data (diff)
downloadlinux-857de6fe2f86b009df620f7cdb07c262cc17070d.tar.gz
linux-857de6fe2f86b009df620f7cdb07c262cc17070d.zip
Merge branch 'fixes-v5.11' into fixes
Diffstat (limited to 'arch/arm64/include/asm/memory.h')
-rw-r--r--arch/arm64/include/asm/memory.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 18fce223b67b..ff4732785c32 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -247,11 +247,13 @@ static inline const void *__tag_set(const void *addr, u8 tag)
/*
- * The linear kernel range starts at the bottom of the virtual address space.
+ * Check whether an arbitrary address is within the linear map, which
+ * lives in the [PAGE_OFFSET, PAGE_END) interval at the bottom of the
+ * kernel's TTBR1 address range.
*/
-#define __is_lm_address(addr) (((u64)(addr) & ~PAGE_OFFSET) < (PAGE_END - PAGE_OFFSET))
+#define __is_lm_address(addr) (((u64)(addr) - PAGE_OFFSET) < (PAGE_END - PAGE_OFFSET))
-#define __lm_to_phys(addr) (((addr) & ~PAGE_OFFSET) + PHYS_OFFSET)
+#define __lm_to_phys(addr) (((addr) - PAGE_OFFSET) + PHYS_OFFSET)
#define __kimg_to_phys(addr) ((addr) - kimage_voffset)
#define __virt_to_phys_nodebug(x) ({ \
@@ -330,7 +332,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#endif /* !CONFIG_SPARSEMEM_VMEMMAP || CONFIG_DEBUG_VIRTUAL */
#define virt_addr_valid(addr) ({ \
- __typeof__(addr) __addr = addr; \
+ __typeof__(addr) __addr = __tag_reset(addr); \
__is_lm_address(__addr) && pfn_valid(virt_to_pfn(__addr)); \
})