From e8b9b0cc8269c85d8167aaee024bfcbb4976c031 Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Sat, 14 Oct 2017 09:59:49 -0700 Subject: x86/mm/64: Remove the last VM_BUG_ON() from the TLB code Let's avoid hard-to-diagnose crashes in the future. Signed-off-by: Andy Lutomirski Cc: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/f423bbc97864089fbdeb813f1ea126c6eaed844a.1508000261.git.luto@kernel.org Signed-off-by: Ingo Molnar --- arch/x86/mm/tlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 658bf0090565..7db23f9f804e 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -147,8 +147,8 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, this_cpu_write(cpu_tlbstate.is_lazy, false); if (real_prev == next) { - VM_BUG_ON(this_cpu_read(cpu_tlbstate.ctxs[prev_asid].ctx_id) != - next->context.ctx_id); + VM_WARN_ON(this_cpu_read(cpu_tlbstate.ctxs[prev_asid].ctx_id) != + next->context.ctx_id); /* * We don't currently support having a real mm loaded without -- cgit