Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 29cdc99..a96b292 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*:
* Hibernate support specific for ARM64
*
@@ -11,8 +12,6 @@
* https://patchwork.kernel.org/patch/96442/
*
* Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl>
- *
- * License terms: GNU General Public License (GPL) version 2
*/
#define pr_fmt(x) "hibernate: " x
#include <linux/cpu.h>
@@ -202,6 +201,7 @@
gfp_t mask)
{
int rc = 0;
+ pgd_t *trans_pgd;
pgd_t *pgdp;
pud_t *pudp;
pmd_t *pmdp;
@@ -216,7 +216,13 @@
memcpy((void *)dst, src_start, length);
__flush_icache_range(dst, dst + length);
- pgdp = pgd_offset_raw(allocator(mask), dst_addr);
+ trans_pgd = allocator(mask);
+ if (!trans_pgd) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ pgdp = pgd_offset_raw(trans_pgd, dst_addr);
if (pgd_none(READ_ONCE(*pgdp))) {
pudp = allocator(mask);
if (!pudp) {
@@ -299,8 +305,10 @@
dcache_clean_range(__idmap_text_start, __idmap_text_end);
/* Clean kvm setup code to PoC? */
- if (el2_reset_needed())
+ if (el2_reset_needed()) {
dcache_clean_range(__hyp_idmap_text_start, __hyp_idmap_text_end);
+ dcache_clean_range(__hyp_text_start, __hyp_text_end);
+ }
/* make the crash dump kernel image protected again */
crash_post_resume();
@@ -495,7 +503,7 @@
rc = -ENOMEM;
goto out;
}
- rc = copy_page_tables(tmp_pg_dir, PAGE_OFFSET, 0);
+ rc = copy_page_tables(tmp_pg_dir, PAGE_OFFSET, PAGE_END);
if (rc)
goto out;