Blame SOURCES/0003-ppc64-fix-bt-for-S-case.patch
|
 |
56ae9b |
From 1c918c621e48f53ea69a143aabc59c8366102236 Mon Sep 17 00:00:00 2001
|
|
|
56ae9b |
From: Hari Bathini <hbathini@linux.ibm.com>
|
|
|
56ae9b |
Date: Mon, 4 Jul 2022 10:55:41 +0530
|
|
|
56ae9b |
Subject: [PATCH 03/28] ppc64: fix bt for '-S' case
|
|
|
56ae9b |
|
|
|
56ae9b |
Passing '-S' option to 'bt' command was intended to specify the stack
|
|
|
56ae9b |
pointer manually. But get_stack_frame() handling on ppc64 is ignoring
|
|
|
56ae9b |
this option altogether. Fix it.
|
|
|
56ae9b |
|
|
|
56ae9b |
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
|
|
|
56ae9b |
Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
|
|
|
56ae9b |
---
|
|
|
56ae9b |
ppc64.c | 16 ++++++++++++++++
|
|
|
56ae9b |
1 file changed, 16 insertions(+)
|
|
|
56ae9b |
|
|
|
56ae9b |
diff --git a/ppc64.c b/ppc64.c
|
|
|
56ae9b |
index 975caa53b812..0e1d8678eef5 100644
|
|
|
56ae9b |
--- a/ppc64.c
|
|
|
56ae9b |
+++ b/ppc64.c
|
|
|
56ae9b |
@@ -2330,6 +2330,22 @@ ppc64_vmcore_stack_frame(struct bt_info *bt_in, ulong *nip, ulong *ksp)
|
|
|
56ae9b |
|
|
|
56ae9b |
pt_regs = (struct ppc64_pt_regs *)bt_in->machdep;
|
|
|
56ae9b |
if (!pt_regs || !pt_regs->gpr[1]) {
|
|
|
56ae9b |
+ if (bt_in->hp) {
|
|
|
56ae9b |
+ if (bt_in->hp->esp) {
|
|
|
56ae9b |
+ *ksp = bt_in->hp->esp;
|
|
|
56ae9b |
+ if (!bt_in->hp->eip) {
|
|
|
56ae9b |
+ if (IS_KVADDR(*ksp)) {
|
|
|
56ae9b |
+ readmem(*ksp+16, KVADDR, &unip, sizeof(ulong),
|
|
|
56ae9b |
+ "Regs NIP value", FAULT_ON_ERROR);
|
|
|
56ae9b |
+ *nip = unip;
|
|
|
56ae9b |
+ }
|
|
|
56ae9b |
+ } else
|
|
|
56ae9b |
+ *nip = bt_in->hp->eip;
|
|
|
56ae9b |
+
|
|
|
56ae9b |
+ }
|
|
|
56ae9b |
+ return TRUE;
|
|
|
56ae9b |
+ }
|
|
|
56ae9b |
+
|
|
|
56ae9b |
/*
|
|
|
56ae9b |
* Not collected regs. May be the corresponding CPU not
|
|
|
56ae9b |
* responded to an IPI in case of KDump OR f/w has not
|
|
|
56ae9b |
--
|
|
|
56ae9b |
2.37.1
|
|
|
56ae9b |
|