diff options
| author |   Will Deacon <will@kernel.org> | 2021-05-27 11:55:29 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-05-27 17:55:33 +0100 |
| commit | 16c230b30de8b69ae75d2b98d04a77904da58d15 (patch) | |
| tree | 970453af57d6d9991710d15cdede5fc0ef7704de /arch/arm64/kernel/entry.S | |
| parent | arm64: smp: initialize cpu offset earlier (diff) | |
| download | linux-dev-16c230b30de8b69ae75d2b98d04a77904da58d15.tar.xz linux-dev-16c230b30de8b69ae75d2b98d04a77904da58d15.zip | |
arm64: scs: Drop unused 'tmp' argument to scs_{load, save} asm macros
The scs_load and scs_save asm macros don't make use of the mandatory
'tmp' register argument, so drop it and fix up the callers.
Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/r/20210527105529.21967-1-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 294f24e16fee..3153f1448cdb 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -275,7 +275,7 @@ alternative_else_nop_endif mte_set_kernel_gcr x22, x23 - scs_load tsk, x20 + scs_load tsk .else add x21, sp, #PT_REGS_SIZE get_current_task tsk @@ -375,7 +375,7 @@ alternative_if ARM64_WORKAROUND_845719 alternative_else_nop_endif #endif 3: - scs_save tsk, x0 + scs_save tsk #ifdef CONFIG_ARM64_PTR_AUTH alternative_if ARM64_HAS_ADDRESS_AUTH @@ -979,8 +979,8 @@ SYM_FUNC_START(cpu_switch_to) mov sp, x9 msr sp_el0, x1 ptrauth_keys_install_kernel x1, x8, x9, x10 - scs_save x0, x8 - scs_load x1, x8 + scs_save x0 + scs_load x1 ret SYM_FUNC_END(cpu_switch_to) NOKPROBE(cpu_switch_to) |