From 00860d31c0a094151f54f2fd39ac5c9cf86d6c56 Mon Sep 17 00:00:00 2001 From: Taylor R Campbell Date: Fri, 1 Jul 2022 20:46:22 +0000 Subject: [PATCH] x86: Invalidate TLB _before_ acknowledging request. --- sys/arch/x86/x86/x86_tlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/arch/x86/x86/x86_tlb.c b/sys/arch/x86/x86/x86_tlb.c index 4dd6c8de4671..9873aaaabeaf 100644 --- a/sys/arch/x86/x86/x86_tlb.c +++ b/sys/arch/x86/x86/x86_tlb.c @@ -498,6 +498,7 @@ pmap_tlb_intr(void) /* Make a private copy of the packet. */ source = pmap_tlb_packet; copy = *source; + pmap_tlb_invalidate(©); /* * If we are the last CPU out, clear the active pointer and mark the @@ -514,7 +515,6 @@ pmap_tlb_intr(void) __insn_barrier(); TP_SET_DONE(source); } - pmap_tlb_invalidate(©); /* * Check the current TLB state. If we don't want further flushes