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Subject[PATCH 07/12][RFC v3] x86-32, hibernate: Use temp_pgt as the temporary page table
Date
From: Zhimin Gu <kookoo.gu@intel.com>

This is to reuse the temp_pgt for both 32bit and 64bit
system.

No functional change.

Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Zhimin Gu <kookoo.gu@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
---
arch/x86/power/hibernate_32.c | 2 ++
arch/x86/power/hibernate_asm_32.S | 3 +--
2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c
index f82fbd279d08..a44bdada4e4e 100644
--- a/arch/x86/power/hibernate_32.c
+++ b/arch/x86/power/hibernate_32.c
@@ -156,6 +156,8 @@ asmlinkage int swsusp_arch_resume(void)
if (error)
return error;

+ temp_pgt = __pa(resume_pg_dir);
+
/* We have got enough memory and from now on we cannot recover */
restore_image();
return 0;
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index 671d38d0d931..f0627cf30a36 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -33,8 +33,7 @@ ENDPROC(swsusp_arch_suspend)

ENTRY(restore_image)
movl mmu_cr4_features, %ecx
- movl resume_pg_dir, %eax
- subl $__PAGE_OFFSET, %eax
+ movl temp_pgt, %eax
movl %eax, %cr3

jecxz 1f # cr4 Pentium and higher, skip if zero
--
2.17.1
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