From: Nicholas Piggin Date: Sun, 27 Nov 2022 12:49:42 +0000 (+1000) Subject: powerpc: remove STACK_FRAME_OVERHEAD X-Git-Tag: v6.6.7~3866^2~41 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dfecd06bc5524517ed7737c30eaaf747338b280a;p=platform%2Fkernel%2Flinux-starfive.git powerpc: remove STACK_FRAME_OVERHEAD This is equal to STACK_FRAME_MIN_SIZE on 32-bit and 64-bit ELFv1, and no longer used in 64-bit ELFv2, so replace STACK_FRAME_OVERHEAD occurrences with STACK_FRAME_MIN_SIZE. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20221127124942.1665522-18-npiggin@gmail.com --- diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 4ab606f..0eb90a0 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -118,7 +118,6 @@ struct pt_regs #define USER_REDZONE_SIZE 512 #define KERNEL_REDZONE_SIZE 288 -#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ #ifdef CONFIG_PPC64_ELF_ABI_V2 @@ -135,11 +134,11 @@ struct pt_regs * so the second from last one of those is used for the frame marker. */ #define STACK_FRAME_MIN_SIZE 112 -#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) -#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD -#define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 16) -#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) -#define STACK_SWITCH_FRAME_REGS STACK_FRAME_OVERHEAD +#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE) +#define STACK_INT_FRAME_REGS STACK_FRAME_MIN_SIZE +#define STACK_INT_FRAME_MARKER (STACK_FRAME_MIN_SIZE - 16) +#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE) +#define STACK_SWITCH_FRAME_REGS STACK_FRAME_MIN_SIZE #endif /* Size of dummy stack frame allocated when calling signal handler. */ @@ -150,14 +149,13 @@ struct pt_regs #define USER_REDZONE_SIZE 0 #define KERNEL_REDZONE_SIZE 0 -#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ +#define STACK_FRAME_MIN_SIZE 16 #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ -#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) -#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD -#define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 8) -#define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD -#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) -#define STACK_SWITCH_FRAME_REGS STACK_FRAME_OVERHEAD +#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE) +#define STACK_INT_FRAME_REGS STACK_FRAME_MIN_SIZE +#define STACK_INT_FRAME_MARKER (STACK_FRAME_MIN_SIZE - 8) +#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE) +#define STACK_SWITCH_FRAME_REGS STACK_FRAME_MIN_SIZE /* Size of stack frame allocated when calling signal handler. */ #define __SIGNAL_FRAMESIZE 64