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Blame SOURCES/patch-flush_tlb-undef.patch

c4 c5 c5-plus c6 c6-plus c7 c7-alt-modified c7-beta c7-i686 c7-sig-altarch-kernel c7-sig-altarch-kernelexp c7-sig-altarch-lts-5-10 c7-sig-altarch-lts-5-15 c7-sig-altarch-lts-5-4 c7-sig-altarch-lts-6-1 c7-sig-centosplus-kernel c8 c8-beta c8-init-modify c8-sig-altarch-lts-5-10 c8-sig-altarch-lts-5-15 c8-sig-altarch-lts-5-4 c8-sig-centosplus-kernel c8s c8s-sig-hyperscale c9 c9-beta c9s-sig-altarch-lts-5-15 c9s-sig-hyperscale
  1.   866836d494b36c88c8ce638e13f05e1c6ce2418a
  2.   SOURCES
  3.   patch-flush_tlb-undef.patch
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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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