[Xen-changelog] [xen master] xen: arm: enable 32bit kernel stack trace

[patchbot@xxxxxxx]

commit 785e2c1f5d45225a43ea0d46702fc09d508e04bd
Author:     Bamvor Jian Zhang <bjzhang@xxxxxxxx>
AuthorDate: Mon Nov 4 16:01:25 2013 +0800
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Mon Nov 4 17:34:49 2013 +0000

    xen: arm: enable 32bit kernel stack trace
    
    Signed-off-by: Bamvor Jian Zhang <bjzhang@xxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/traps.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 4c0fc32..287dd7b 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -629,12 +629,20 @@ static void show_guest_stack(struct vcpu *v, struct 
cpu_user_regs *regs)
         return;
 
     case PSR_MODE_FIQ:
+        sp = regs->sp_fiq;
+        break;
     case PSR_MODE_IRQ:
+        sp = regs->sp_irq;
+        break;
     case PSR_MODE_SVC:
+        sp = regs->sp_svc;
+        break;
     case PSR_MODE_ABT:
+        sp = regs->sp_abt;
+        break;
     case PSR_MODE_UND:
-        printk("No stack trace for 32-bit guest kernel-mode\n");
-        return;
+        sp = regs->sp_und;
+        break;
 
 #ifdef CONFIG_ARM_64
     case PSR_MODE_EL1t:
--
generated by git-patchbot for /home/xen/git/xen.git#master

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