Re: [PATCH 2/2] powerpc/process: Constify the number of insns printed by show instructions functions.
From: Murilo Opsfelder Araujo <hidden>
Date: 2018-08-17 12:39:46
Also in:
lkml
Hi, Christophe. On Tue, Aug 14, 2018 at 08:59:20AM +0000, Christophe Leroy wrote:
instructions_to_print var is assigned value 16 and there is no way to change it. This patch replaces it by a constant. Signed-off-by: Christophe Leroy <redacted>
Reviewed-by: Murilo Opsfelder Araujo <redacted>
quoted hunk ↗ jump to hunk
--- arch/powerpc/kernel/process.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index c722ce4ca1c0..6317f2ed04ab 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c@@ -1259,17 +1259,16 @@ struct task_struct *__switch_to(struct task_struct *prev, return last; } -static int instructions_to_print = 16; +#define NR_INSN_TO_PRINT 16 static void show_instructions(struct pt_regs *regs) { int i; - unsigned long pc = regs->nip - (instructions_to_print * 3 / 4 * - sizeof(int)); + unsigned long pc = regs->nip - (NR_INSN_TO_PRINT * 3 / 4 * sizeof(int)); printk("Instruction dump:"); - for (i = 0; i < instructions_to_print; i++) { + for (i = 0; i < NR_INSN_TO_PRINT; i++) { int instr; if (!(i % 8))@@ -1306,9 +1305,9 @@ void show_user_instructions(struct pt_regs *regs) char buf[96]; /* enough for 8 times 9 + 2 chars */ int l = 0; - pc = regs->nip - (instructions_to_print * 3 / 4 * sizeof(int)); + pc = regs->nip - (NR_INSN_TO_PRINT * 3 / 4 * sizeof(int)); - for (i = 0; i < instructions_to_print; i++) { + for (i = 0; i < NR_INSN_TO_PRINT; i++) { int instr; if (!(i % 8) && (i > 0)) {-- 2.13.3
-- Murilo