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Diffstat (limited to 'arch/arm64/kernel/stacktrace.c')
-rw-r--r--arch/arm64/kernel/stacktrace.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 117e2c180f3c..83154303e682 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -5,6 +5,7 @@
* Copyright (C) 2012 ARM Ltd.
*/
#include <linux/kernel.h>
+#include <linux/efi.h>
#include <linux/export.h>
#include <linux/ftrace.h>
#include <linux/sched.h>
@@ -12,6 +13,7 @@
#include <linux/sched/task_stack.h>
#include <linux/stacktrace.h>
+#include <asm/efi.h>
#include <asm/irq.h>
#include <asm/stack_pointer.h>
#include <asm/stacktrace.h>
@@ -186,6 +188,13 @@ void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
: stackinfo_get_unknown(); \
})
+#define STACKINFO_EFI \
+ ({ \
+ ((task == current) && current_in_efi()) \
+ ? stackinfo_get_efi() \
+ : stackinfo_get_unknown(); \
+ })
+
noinline noinstr void arch_stack_walk(stack_trace_consume_fn consume_entry,
void *cookie, struct task_struct *task,
struct pt_regs *regs)
@@ -200,6 +209,9 @@ noinline noinstr void arch_stack_walk(stack_trace_consume_fn consume_entry,
STACKINFO_SDEI(normal),
STACKINFO_SDEI(critical),
#endif
+#ifdef CONFIG_EFI
+ STACKINFO_EFI,
+#endif
};
struct unwind_state state = {
.stacks = stacks,