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Diffstat (limited to 'arch/x86/hyperv/hv_init.c')
-rw-r--r--arch/x86/hyperv/hv_init.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index a0b86cf486e0..189a398290db 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -210,9 +210,10 @@ void hyperv_cleanup(void)
}
EXPORT_SYMBOL_GPL(hyperv_cleanup);
-void hyperv_report_panic(struct pt_regs *regs)
+void hyperv_report_panic(struct pt_regs *regs, long err)
{
static bool panic_reported;
+ u64 guest_id;
/*
* We prefer to report panic on 'die' chain as we have proper
@@ -223,11 +224,13 @@ void hyperv_report_panic(struct pt_regs *regs)
return;
panic_reported = true;
- wrmsrl(HV_X64_MSR_CRASH_P0, regs->ip);
- wrmsrl(HV_X64_MSR_CRASH_P1, regs->ax);
- wrmsrl(HV_X64_MSR_CRASH_P2, regs->bx);
- wrmsrl(HV_X64_MSR_CRASH_P3, regs->cx);
- wrmsrl(HV_X64_MSR_CRASH_P4, regs->dx);
+ rdmsrl(HV_X64_MSR_GUEST_OS_ID, guest_id);
+
+ wrmsrl(HV_X64_MSR_CRASH_P0, err);
+ wrmsrl(HV_X64_MSR_CRASH_P1, guest_id);
+ wrmsrl(HV_X64_MSR_CRASH_P2, regs->ip);
+ wrmsrl(HV_X64_MSR_CRASH_P3, regs->ax);
+ wrmsrl(HV_X64_MSR_CRASH_P4, regs->sp);
/*
* Let Hyper-V know there is crash data available