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-rw-r--r--arch/x86/kernel/vmlinux_64.lds.S1
-rw-r--r--include/asm-generic/vmlinux.lds.h10
-rwxr-xr-xscripts/recordmcount.pl1
3 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 46e05447405..1a614c0e6be 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -35,6 +35,7 @@ SECTIONS
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
+ IRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
_etext = .; /* End of text section */
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index eba835a2c2c..c61fab1dd2f 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -288,6 +288,16 @@
*(.kprobes.text) \
VMLINUX_SYMBOL(__kprobes_text_end) = .;
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#define IRQENTRY_TEXT \
+ ALIGN_FUNCTION(); \
+ VMLINUX_SYMBOL(__irqentry_text_start) = .; \
+ *(.irqentry.text) \
+ VMLINUX_SYMBOL(__irqentry_text_end) = .;
+#else
+#define IRQENTRY_TEXT
+#endif
+
/* Section used for early init (in .S files) */
#define HEAD_TEXT *(.head.text)
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 0b1dc9f9bb0..fe831412bea 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -114,6 +114,7 @@ my %text_sections = (
".text" => 1,
".sched.text" => 1,
".spinlock.text" => 1,
+ ".irqentry.text" => 1,
);
$objdump = "objdump" if ((length $objdump) == 0);