[PATCH RESEND 2/3] riscv: Improve __show_regs
Kefeng Wang
wangkefeng.wang at huawei.com
Mon Jan 11 07:40:13 EST 2021
Show the function symbols of epc and ra to improve the
readability of crash reports, and align the printing
formats about the raw epc value.
Signed-off-by: Kefeng Wang <wangkefeng.wang at huawei.com>
---
arch/riscv/kernel/process.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 78bb3a00d249..d8c099aa1337 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -44,7 +44,12 @@ void __show_regs(struct pt_regs *regs)
{
show_regs_print_info(KERN_DEFAULT);
- pr_cont("epc: " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n",
+ if (!user_mode(regs)) {
+ pr_cont("epc : %pS\n", (void *)regs->epc);
+ pr_cont(" ra : %pS\n", (void *)regs->ra);
+ }
+
+ pr_cont("epc : " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n",
regs->epc, regs->ra, regs->sp);
pr_cont(" gp : " REG_FMT " tp : " REG_FMT " t0 : " REG_FMT "\n",
regs->gp, regs->tp, regs->t0);
--
2.26.2
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