diff options
Diffstat (limited to 'arch/arm/include/asm/uaccess-asm.h')
| -rw-r--r-- | arch/arm/include/asm/uaccess-asm.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm/include/asm/uaccess-asm.h b/arch/arm/include/asm/uaccess-asm.h index e6eb7a2aaf1e..6451a433912c 100644 --- a/arch/arm/include/asm/uaccess-asm.h +++ b/arch/arm/include/asm/uaccess-asm.h @@ -84,12 +84,8 @@ * if \disable is set. */ .macro uaccess_entry, tsk, tmp0, tmp1, tmp2, disable - ldr \tmp1, [\tsk, #TI_ADDR_LIMIT] - ldr \tmp2, =TASK_SIZE - str \tmp2, [\tsk, #TI_ADDR_LIMIT] DACR( mrc p15, 0, \tmp0, c3, c0, 0) DACR( str \tmp0, [sp, #SVC_DACR]) - str \tmp1, [sp, #SVC_ADDR_LIMIT] .if \disable && IS_ENABLED(CONFIG_CPU_SW_DOMAIN_PAN) /* kernel=client, user=no access */ mov \tmp2, #DACR_UACCESS_DISABLE @@ -106,9 +102,7 @@ /* Restore the user access state previously saved by uaccess_entry */ .macro uaccess_exit, tsk, tmp0, tmp1 - ldr \tmp1, [sp, #SVC_ADDR_LIMIT] DACR( ldr \tmp0, [sp, #SVC_DACR]) - str \tmp1, [\tsk, #TI_ADDR_LIMIT] DACR( mcr p15, 0, \tmp0, c3, c0, 0) .endm |