Messages in this thread Patch in this message | | | From | Chen Yu <> | Subject | [PATCH 07/12][RFC v3] x86-32, hibernate: Use temp_pgt as the temporary page table | Date | Wed, 19 Sep 2018 15:42:48 +0800 |
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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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