diff options
| -rw-r--r-- | arch/arm64/kernel/entry.S | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 4b779f198486..8c8581e86a1a 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -168,15 +168,11 @@ alternative_else_nop_endif #endif .endm - .macro mte_set_gcr, tmp, tmp2 + .macro mte_set_gcr, mte_ctrl, tmp #ifdef CONFIG_ARM64_MTE - /* - * Calculate and set the exclude mask preserving - * the RRND (bit[16]) setting. - */ - mrs_s \tmp2, SYS_GCR_EL1 - bfxil \tmp2, \tmp, #MTE_CTRL_GCR_USER_EXCL_SHIFT, #16 - msr_s SYS_GCR_EL1, \tmp2 + ubfx \tmp, \mte_ctrl, #MTE_CTRL_GCR_USER_EXCL_SHIFT, #16 + orr \tmp, \tmp, #SYS_GCR_EL1_RRND + msr_s SYS_GCR_EL1, \tmp #endif .endm |