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authorTianyu Lan <Tianyu.Lan@microsoft.com>2020-04-06 08:53:31 -0700
committerWei Liu <wei.liu@kernel.org>2020-04-11 17:19:07 +0100
commitf3a99e761efa616028b255b4de58e9b5b87c5545 (patch)
tree0a9c42a1b17d9e538b97afdac98e3a6344e873ee /include
parent040026df7088c56ccbad28f7042308f67bde63df (diff)
x86/Hyper-V: Report crash data in die() when panic_on_oops is set
When oops happens with panic_on_oops unset, the oops thread is killed by die() and system continues to run. In such case, guest should not report crash register data to host since system still runs. Check panic_on_oops and return directly in hyperv_report_panic() when the function is called in the die() and panic_on_oops is unset. Fix it. Fixes: 7ed4325a44ea ("Drivers: hv: vmbus: Make panic reporting to be more useful") Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20200406155331.2105-7-Tianyu.Lan@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/mshyperv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index b3f1082cc435..1c4fd950f091 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -163,7 +163,7 @@ static inline int cpumask_to_vpset(struct hv_vpset *vpset,
return nr_bank;
}
-void hyperv_report_panic(struct pt_regs *regs, long err);
+void hyperv_report_panic(struct pt_regs *regs, long err, bool in_die);
void hyperv_report_panic_msg(phys_addr_t pa, size_t size);
bool hv_is_hyperv_initialized(void);
bool hv_is_hibernation_supported(void);