[patch]flush tlb when suspend

[patch]flush tlb when suspend

[Li Shaohua]

[-- Attachment #1: Type: text/plain, Size: 493 bytes --]

Possibly this patch can't resolve any problem (we didn't use low mem
when suspend), but I think it's better if we flush the tlb.

Thanks,
Shaohua

===== arch/i386/kernel/acpi/sleep.c 1.6 vs edited =====
--- 1.6/arch/i386/kernel/acpi/sleep.c	2004-10-19 13:26:45 +08:00
+++ edited/arch/i386/kernel/acpi/sleep.c	2004-10-20 13:39:58 +08:00
@@ -27,6 +27,7 @@ static void init_low_mapping(pgd_t *pgd,
 		set_pgd(pgd, *(pgd+USER_PTRS_PER_PGD));
 		pgd_ofs++, pgd++;
 	}
+	flush_tlb_all();
 }
 
 /**


[-- Attachment #2: tlb.patch --]
[-- Type: text/x-patch, Size: 345 bytes --]

===== arch/i386/kernel/acpi/sleep.c 1.6 vs edited =====
--- 1.6/arch/i386/kernel/acpi/sleep.c	2004-10-19 13:26:45 +08:00
+++ edited/arch/i386/kernel/acpi/sleep.c	2004-10-20 13:39:58 +08:00
@@ -27,6 +27,7 @@ static void init_low_mapping(pgd_t *pgd,
 		set_pgd(pgd, *(pgd+USER_PTRS_PER_PGD));
 		pgd_ofs++, pgd++;
 	}
+	flush_tlb_all();
 }
 
 /**

Re: [patch]flush tlb when suspend

[Pavel Machek]

Hi!

> Possibly this patch can't resolve any problem (we didn't use low mem
> when suspend), but I think it's better if we flush the tlb.

Looks good to me.
								Pavel
-- 
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