[PATCH] ARM: Remove the special printing format of pc and lr in __show_regs()

From: Zhen Lei
Date: Sun Jul 31 2022 - 23:22:59 EST


Currently, instruction pointers are printed in [<%08lx>] format to make
them more visible. However, it is not necessary in __show_regs() because
they have the prefix 'pc :' or 'lr :', and it is also inconsistent with
that of other registers, which causes misalignment.

Before:
pc : [<8019a48c>] lr : [<8019a48c>] psr: 60000013
sp : c0965f28 ip : 00000001 fp : 00000001
r10: be6052d8 r9 : 431bde82 r8 : d7b634db

After:
pc : 8019a46c lr : 8019a46c psr: 60000013
sp : c8a71f28 ip : 00000001 fp : 00000002
r10: 1ef6a458 r9 : 431bde82 r8 : d7b634db

Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
KernelVersion: v5.19
arch/arm/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 3d9cace63884013..3fb30d734c3568a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -136,7 +136,7 @@ void __show_regs(struct pt_regs *regs)

printk("PC is at %pS\n", (void *)instruction_pointer(regs));
printk("LR is at %pS\n", (void *)regs->ARM_lr);
- printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n",
+ printk("pc : %08lx lr : %08lx psr: %08lx\n",
regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr);
printk("sp : %08lx ip : %08lx fp : %08lx\n",
regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
--
2.25.1