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-rw-r--r--arch/arm64/kernel/head.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 340d60d2e218..632702146813 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -28,6 +28,7 @@
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
#include <asm/page.h>
+#include <asm/scs.h>
#include <asm/smp.h>
#include <asm/sysreg.h>
#include <asm/thread_info.h>
@@ -433,6 +434,10 @@ SYM_FUNC_START_LOCAL(__primary_switched)
stp xzr, x30, [sp, #-16]!
mov x29, sp
+#ifdef CONFIG_SHADOW_CALL_STACK
+ adr_l scs_sp, init_shadow_call_stack // Set shadow call stack
+#endif
+
str_l x21, __fdt_pointer, x5 // Save FDT pointer
ldr_l x4, kimage_vaddr // Save the offset between
@@ -745,6 +750,7 @@ SYM_FUNC_START_LOCAL(__secondary_switched)
ldr x2, [x0, #CPU_BOOT_TASK]
cbz x2, __secondary_too_slow
msr sp_el0, x2
+ scs_load x2, x3
mov x29, #0
mov x30, #0