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-rw-r--r--arch/x86/entry/entry_64.S7
-rw-r--r--arch/x86/entry/entry_64_compat.S3
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 3fd38286302d..50b61186f8b2 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -86,6 +86,7 @@
SYM_CODE_START(entry_SYSCALL_64)
UNWIND_HINT_EMPTY
+ ENDBR
swapgs
/* tss.sp2 is scratch space. */
@@ -350,6 +351,7 @@ SYM_CODE_END(ret_from_fork)
.macro idtentry vector asmsym cfunc has_error_code:req
SYM_CODE_START(\asmsym)
UNWIND_HINT_IRET_REGS offset=\has_error_code*8
+ ENDBR
ASM_CLAC
.if \has_error_code == 0
@@ -417,6 +419,7 @@ SYM_CODE_END(\asmsym)
.macro idtentry_mce_db vector asmsym cfunc
SYM_CODE_START(\asmsym)
UNWIND_HINT_IRET_REGS
+ ENDBR
ASM_CLAC
pushq $-1 /* ORIG_RAX: no syscall to restart */
@@ -472,6 +475,7 @@ SYM_CODE_END(\asmsym)
.macro idtentry_vc vector asmsym cfunc
SYM_CODE_START(\asmsym)
UNWIND_HINT_IRET_REGS
+ ENDBR
ASM_CLAC
/*
@@ -533,6 +537,7 @@ SYM_CODE_END(\asmsym)
.macro idtentry_df vector asmsym cfunc
SYM_CODE_START(\asmsym)
UNWIND_HINT_IRET_REGS offset=8
+ ENDBR
ASM_CLAC
/* paranoid_entry returns GS information for paranoid_exit in EBX. */
@@ -1069,6 +1074,7 @@ SYM_CODE_END(error_return)
*/
SYM_CODE_START(asm_exc_nmi)
UNWIND_HINT_IRET_REGS
+ ENDBR
/*
* We allow breakpoints in NMIs. If a breakpoint occurs, then
@@ -1427,6 +1433,7 @@ SYM_CODE_END(asm_exc_nmi)
*/
SYM_CODE_START(ignore_sysret)
UNWIND_HINT_EMPTY
+ ENDBR
mov $-ENOSYS, %eax
sysretl
SYM_CODE_END(ignore_sysret)
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 0051cf5c792d..35a0e69cf387 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -48,6 +48,7 @@
*/
SYM_CODE_START(entry_SYSENTER_compat)
UNWIND_HINT_EMPTY
+ ENDBR
/* Interrupts are off on entry. */
SWAPGS
@@ -198,6 +199,7 @@ SYM_CODE_END(entry_SYSENTER_compat)
*/
SYM_CODE_START(entry_SYSCALL_compat)
UNWIND_HINT_EMPTY
+ ENDBR
/* Interrupts are off on entry. */
swapgs
@@ -340,6 +342,7 @@ SYM_CODE_END(entry_SYSCALL_compat)
*/
SYM_CODE_START(entry_INT80_compat)
UNWIND_HINT_EMPTY
+ ENDBR
/*
* Interrupts are off on entry.
*/