diff mbox series

[v5,31/33] arm64: kernel: Skip validation of proton-pack.c

Message ID 20220622154920.95075-32-chenzhongjin@huawei.com (mailing list archive)
State New, archived
Headers show
Series objtool: add base support for arm64 | expand

Commit Message

Chen Zhongjin June 22, 2022, 3:49 p.m. UTC 
qcom_link_stack_sanitisation() repeatly calls itself, but we can't
mark the asm code as intra-call so it should be marked as non_standard.

Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
---
 arch/arm64/kernel/proton-pack.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index 40be3a7c2c53..9439e62d4b57 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -22,6 +22,7 @@ 
 #include <linux/cpu.h>
 #include <linux/device.h>
 #include <linux/nospec.h>
+#include <linux/objtool.h>
 #include <linux/prctl.h>
 #include <linux/sched/task_stack.h>
 
@@ -257,6 +258,7 @@  static noinstr void qcom_link_stack_sanitisation(void)
 		     "mov	x30, %0		\n"
 		     : "=&r" (tmp));
 }
+STACK_FRAME_NON_STANDARD(qcom_link_stack_sanitisation);
 
 static bp_hardening_cb_t spectre_v2_get_sw_mitigation_cb(void)
 {