diff options
| author | Peter Collingbourne <pcc@google.com> | 2021-07-27 13:52:55 -0700 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2021-07-28 18:33:19 +0100 |
| commit | 638982a03fbcdcda9bcb97b62ceec2d4a0f88162 (patch) | |
| tree | 1fc10cce5d4a9d38ffa914b82feeafd3bdc9d5ac /arch/arm64/kernel/entry.S | |
| parent | 42b6b10a54f0bf00397511fc6d5b8a296b405563 (diff) | |
| download | linux-638982a03fbcdcda9bcb97b62ceec2d4a0f88162.tar.bz2 | |
arm64: mte: rename gcr_user_excl to mte_ctrl
We are going to use this field to store more data. To prepare for
that, rename it and change the users to rely on the bit position of
gcr_user_excl in mte_ctrl.
Link: https://linux-review.googlesource.com/id/Ie1fd18e480100655f5d22137f5b22f4f3a9f9e2e
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210727205300.2554659-2-pcc@google.com
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 5cf160135411..4b779f198486 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -175,7 +175,7 @@ alternative_else_nop_endif * the RRND (bit[16]) setting. */ mrs_s \tmp2, SYS_GCR_EL1 - bfi \tmp2, \tmp, #0, #16 + bfxil \tmp2, \tmp, #MTE_CTRL_GCR_USER_EXCL_SHIFT, #16 msr_s SYS_GCR_EL1, \tmp2 #endif .endm @@ -198,7 +198,7 @@ alternative_else_nop_endif alternative_if_not ARM64_MTE b 1f alternative_else_nop_endif - ldr \tmp, [\tsk, #THREAD_GCR_EL1_USER] + ldr \tmp, [\tsk, #THREAD_MTE_CTRL] mte_set_gcr \tmp, \tmp2 1: |