diff options
author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 22:49:33 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 17:54:08 +1100 |
commit | d2e8ff9f1492f44c5a6d93f759eea27574d753de (patch) | |
tree | 94a48260e9724189fb8ab980ac04495c4ea3b87b /arch/powerpc/kernel/interrupt_64.S | |
parent | c03be0a3f3cc656eab5c427b78959b8f1b169a11 (diff) | |
download | linux-d2e8ff9f1492f44c5a6d93f759eea27574d753de.tar.bz2 |
powerpc: add a definition for the marker offset within the interrupt frame
Define a constant rather than open-code the offset for the
"regs" marker.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-9-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/interrupt_64.S')
-rw-r--r-- | arch/powerpc/kernel/interrupt_64.S | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index 49d585eae7c8..321992c1c9f9 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -77,11 +77,11 @@ _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name) std r11,_TRAP(r1) std r12,_CCR(r1) std r3,ORIG_GPR3(r1) + LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) + std r11,STACK_INT_FRAME_MARKER(r1) /* "regs" marker */ /* Calling convention has r3 = regs, r4 = orig r0 */ addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 - LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) - std r11,-16(r3) /* "regshere" marker */ BEGIN_FTR_SECTION HMT_MEDIUM @@ -250,11 +250,11 @@ END_BTB_FLUSH_SECTION std r11,_TRAP(r1) std r12,_CCR(r1) std r3,ORIG_GPR3(r1) + LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) + std r11,STACK_INT_FRAME_MARKER(r1) /* "regs" marker */ /* Calling convention has r3 = regs, r4 = orig r0 */ addi r3,r1,STACK_INT_FRAME_REGS mr r4,r0 - LOAD_REG_IMMEDIATE(r11, STACK_FRAME_REGS_MARKER) - std r11,-16(r3) /* "regshere" marker */ #ifdef CONFIG_PPC_BOOK3S li r11,1 @@ -637,7 +637,7 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) * Leaving a stale STACK_FRAME_REGS_MARKER on the stack can confuse * the reliable stack unwinder later on. Clear it. */ - std r0,STACK_FRAME_OVERHEAD-16(r1) + std r0,STACK_INT_FRAME_MARKER(r1) REST_GPRS(2, 5, r1) |