summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/cpu/mce/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/cpu/mce/core.c')
-rw-r--r--arch/x86/kernel/cpu/mce/core.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 7b397370b4d6..00d2b6b1dc24 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -52,6 +52,7 @@
#include <asm/mce.h>
#include <asm/msr.h>
#include <asm/reboot.h>
+#include <asm/tdx.h>
#include "internal.h"
@@ -228,11 +229,20 @@ static void wait_for_panic(void)
panic("Panicing machine check CPU died");
}
+static const char *mce_dump_aux_info(struct mce *m)
+{
+ if (boot_cpu_has_bug(X86_BUG_TDX_PW_MCE))
+ return tdx_dump_mce_info(m);
+
+ return NULL;
+}
+
static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
{
struct llist_node *pending;
struct mce_evt_llist *l;
int apei_err = 0;
+ const char *memmsg;
/*
* Allow instrumentation around external facilities usage. Not that it
@@ -283,6 +293,11 @@ static noinstr void mce_panic(const char *msg, struct mce *final, char *exp)
}
if (exp)
pr_emerg(HW_ERR "Machine check: %s\n", exp);
+
+ memmsg = mce_dump_aux_info(final);
+ if (memmsg)
+ pr_emerg(HW_ERR "Machine check: %s\n", memmsg);
+
if (!fake_panic) {
if (panic_timeout == 0)
panic_timeout = mca_cfg.panic_timeout;