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author | Will Deacon <will@kernel.org> | 2020-05-15 14:46:46 +0100 |
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committer | Will Deacon <will@kernel.org> | 2020-05-18 17:47:37 +0100 |
commit | 711e8b0de0d63c70c825b473da01288b661a2386 (patch) | |
tree | d1fb5526919228e698d7687d73ab0017931910d7 /arch/arm64/kernel/head.S | |
parent | bee348fab099b0f551caa874663e82a7f3bb64b3 (diff) | |
download | linux-711e8b0de0d63c70c825b473da01288b661a2386.tar.bz2 |
arm64: scs: Use 'scs_sp' register alias for x18
x18 holds the SCS stack pointer value, so introduce a register alias to
make this easier to read in assembly code.
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/head.S')
-rw-r--r-- | arch/arm64/kernel/head.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 2b01c19c5483..1293baddfd20 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -426,7 +426,7 @@ SYM_FUNC_START_LOCAL(__primary_switched) mov x29, sp #ifdef CONFIG_SHADOW_CALL_STACK - adr_l x18, init_shadow_call_stack // Set shadow call stack + adr_l scs_sp, init_shadow_call_stack // Set shadow call stack #endif str_l x21, __fdt_pointer, x5 // Save FDT pointer |