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| author | Zhimin Gu <kookoo.gu@intel.com> | 2018-09-21 14:27:51 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-10-03 11:56:34 +0200 |
| commit | 7c0a982750b3f8bc6636e8086ac4d8b7775e90f6 (patch) | |
| tree | 636b9b8876fa1c790077d58c8cbb643b4ebd599e | |
| parent | 72adf47764a0be66ea0c712c7d5a6b8a81e28449 (diff) | |
| download | linux-7c0a982750b3f8bc6636e8086ac4d8b7775e90f6.tar.gz linux-7c0a982750b3f8bc6636e8086ac4d8b7775e90f6.tar.bz2 linux-7c0a982750b3f8bc6636e8086ac4d8b7775e90f6.zip | |
x86-32, hibernate: Use temp_pgt as the temporary page table
This is to reuse the temp_pgt for both 32bit and 64bit
system.
No intentional behavior change.
Signed-off-by: Zhimin Gu <kookoo.gu@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | arch/x86/power/hibernate_32.c | 2 | ||||
| -rw-r--r-- | 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 |