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-rw-r--r--arch/powerpc/include/asm/exception-64s.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 937bb630093f..841a0be6c1b2 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_POWERPC_EXCEPTION_H
#define _ASM_POWERPC_EXCEPTION_H
/*
@@ -18,11 +19,6 @@
*
* This file contains the low-level support and setup for the
* PowerPC-64 platform, including trap and interrupt dispatch.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
/*
* The following macros define the code that appears as
@@ -497,6 +493,7 @@ END_FTR_SECTION_NESTED(ftr,ftr,943)
RESTORE_CTR(r1, area); \
b bad_stack; \
3: EXCEPTION_PROLOG_COMMON_1(); \
+ kuap_save_amr_and_lock r9, r10, cr1, cr0; \
beq 4f; /* if from kernel mode */ \
ACCOUNT_CPU_USER_ENTRY(r13, r9, r10); \
SAVE_PPR(area, r9); \
@@ -691,6 +688,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
*/
#define EXCEPTION_COMMON_NORET_STACK(area, trap, label, hdlr, additions) \
EXCEPTION_PROLOG_COMMON_1(); \
+ kuap_save_amr_and_lock r9, r10, cr1; \
EXCEPTION_PROLOG_COMMON_2(area); \
EXCEPTION_PROLOG_COMMON_3(trap); \
/* Volatile regs are potentially clobbered here */ \