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| author | Mark Rutland <mark.rutland@arm.com> | 2021-06-07 10:46:14 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-06-07 11:35:55 +0100 |
| commit | af541cbbf9c646d2eaa8b3ee3836d5b16435e848 (patch) | |
| tree | 9a73898fd1d1960ade6a6c566dda99b06c6cda05 /arch/arm64/kernel/entry.S | |
| parent | e931fa03c6bf525babc9a41b951eb2311b055abb (diff) | |
| download | linux-af541cbbf9c646d2eaa8b3ee3836d5b16435e848.tar.bz2 | |
arm64: entry: consolidate EL1 exception returns
Following the example of ret_to_user, let's consolidate all the EL1
return paths with a ret_to_kernel helper, rather than each entry point
having its own copy of the return code.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210607094624.34689-11-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index e29d0fb77358..54986d488983 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -611,30 +611,34 @@ SYM_CODE_START_LOCAL(el1_sync) kernel_entry 1 mov x0, sp bl el1_sync_handler - kernel_exit 1 + b ret_to_kernel SYM_CODE_END(el1_sync) SYM_CODE_START_LOCAL(el1_irq) kernel_entry 1 mov x0, sp bl el1_irq_handler - kernel_exit 1 + b ret_to_kernel SYM_CODE_END(el1_irq) SYM_CODE_START_LOCAL(el1_fiq) kernel_entry 1 mov x0, sp bl el1_fiq_handler - kernel_exit 1 + b ret_to_kernel SYM_CODE_END(el1_fiq) SYM_CODE_START_LOCAL(el1_error) kernel_entry 1 mov x0, sp bl el1_error_handler - kernel_exit 1 + b ret_to_kernel SYM_CODE_END(el1_error) +SYM_CODE_START_LOCAL(ret_to_kernel) + kernel_exit 1 +SYM_CODE_END(ret_to_kernel) + /* * EL0 mode handlers. */ |