zhang / rpms / kernel

Forked from rpms/kernel 5 years ago
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diff -up ./arch/x86/kernel/vm86_32.c.tlb ./arch/x86/kernel/vm86_32.c
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--- ./arch/x86/kernel/vm86_32.c.tlb	2018-03-22 06:40:12.000000000 +0900
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+++ ./arch/x86/kernel/vm86_32.c	2018-04-15 22:46:42.000000000 +0900
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@@ -194,7 +194,7 @@ static void mark_screen_rdonly(struct mm
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 	pte_unmap_unlock(pte, ptl);
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 out:
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 	up_write(&mm->mmap_sem);
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-	flush_tlb();
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+	flush_tlb_mm_range(mm, 0xA0000, 0xA0000 + 32*PAGE_SIZE, 0UL);
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 }
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