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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 15:49:32 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 09:54:08 +0300 |
| commit | c03be0a3f3cc656eab5c427b78959b8f1b169a11 (patch) | |
| tree | ea5a871e5ab66eb6f0d25a708e9e26206af9a692 /arch/powerpc/kernel/entry_32.S | |
| parent | 37195b820d32c23bdefce3f460ed7de48a57e5e4 (diff) | |
| download | linux-c03be0a3f3cc656eab5c427b78959b8f1b169a11.tar.xz | |
powerpc: add definition for pt_regs offset within an interrupt frame
This is a common offset that currently uses the overloaded
STACK_FRAME_OVERHEAD constant. It's easier to read and more
flexible to use a specific regs offset for this.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-8-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 3fc7c9886bb7..24c8d84a56c9 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -123,12 +123,12 @@ transfer_to_syscall: kuep_lock /* Calling convention has r3 = regs, r4 = orig r0 */ - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 bl system_call_exception ret_from_syscall: - addi r4,r1,STACK_FRAME_OVERHEAD + addi r4,r1,STACK_INT_FRAME_REGS li r5,0 bl syscall_exit_prepare #ifdef CONFIG_PPC_47x @@ -293,7 +293,7 @@ _ASM_NOKPROBE_SYMBOL(fast_exception_return) .globl interrupt_return interrupt_return: lwz r4,_MSR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD + addi r3,r1,STACK_INT_FRAME_REGS andi. r0,r4,MSR_PR beq .Lkernel_interrupt_return bl interrupt_exit_user_prepare |