diff options
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/asm-uaccess.h | 7 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cpucaps.h | 4 | ||||
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 10 | ||||
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 2 |
5 files changed, 15 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h index f74909ba29bd..5bf963830b17 100644 --- a/arch/arm64/include/asm/asm-uaccess.h +++ b/arch/arm64/include/asm/asm-uaccess.h @@ -78,10 +78,9 @@ alternative_else_nop_endif /* * Remove the address tag from a virtual address, if present. */ - .macro clear_address_tag, dst, addr - tst \addr, #(1 << 55) - bic \dst, \addr, #(0xff << 56) - csel \dst, \dst, \addr, eq + .macro untagged_addr, dst, addr + sbfx \dst, \addr, #0, #56 + and \dst, \dst, \addr .endm #endif diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index f19fe4b9acc4..ac1dbca3d0cd 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -52,7 +52,9 @@ #define ARM64_HAS_IRQ_PRIO_MASKING 42 #define ARM64_HAS_DCPODP 43 #define ARM64_WORKAROUND_1463225 44 +#define ARM64_WORKAROUND_CAVIUM_TX2_219_TVM 45 +#define ARM64_WORKAROUND_CAVIUM_TX2_219_PRFM 46 -#define ARM64_NCAPS 45 +#define ARM64_NCAPS 47 #endif /* __ASM_CPUCAPS_H */ diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index b61b50bf68b1..c23c47360664 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -215,12 +215,18 @@ static inline unsigned long kaslr_offset(void) * up with a tagged userland pointer. Clear the tag to get a sane pointer to * pass on to access_ok(), for instance. */ -#define untagged_addr(addr) \ +#define __untagged_addr(addr) \ ((__force __typeof__(addr))sign_extend64((__force u64)(addr), 55)) +#define untagged_addr(addr) ({ \ + u64 __addr = (__force u64)addr; \ + __addr &= __untagged_addr(__addr); \ + (__force __typeof__(addr))__addr; \ +}) + #ifdef CONFIG_KASAN_SW_TAGS #define __tag_shifted(tag) ((u64)(tag) << 56) -#define __tag_reset(addr) untagged_addr(addr) +#define __tag_reset(addr) __untagged_addr(addr) #define __tag_get(addr) (__u8)((u64)(addr) >> 56) #else #define __tag_shifted(tag) 0UL diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7576df00eb50..8330810f699e 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -876,9 +876,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #define update_mmu_cache_pmd(vma, address, pmd) do { } while (0) -#define kc_vaddr_to_offset(v) ((v) & ~PAGE_END) -#define kc_offset_to_vaddr(o) ((o) | PAGE_END) - #ifdef CONFIG_ARM64_PA_BITS_52 #define phys_to_ttbr(addr) (((addr) | ((addr) >> 46)) & TTBR_BADDR_MASK_52) #else diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 972d196c7714..6e919fafb43d 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -212,7 +212,7 @@ #define SYS_FAR_EL1 sys_reg(3, 0, 6, 0, 0) #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0) -#define SYS_PAR_EL1_F BIT(1) +#define SYS_PAR_EL1_F BIT(0) #define SYS_PAR_EL1_FST GENMASK(6, 1) /*** Statistical Profiling Extension ***/ |