Commit-ID: e8b9b0cc8269c85d8167aaee024bfcbb4976c031 Gitweb: https://git.kernel.org/tip/e8b9b0cc8269c85d8167aaee024bfcbb4976c031 Author: Andy Lutomirski <l...@kernel.org> AuthorDate: Sat, 14 Oct 2017 09:59:49 -0700 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 18 Oct 2017 15:25:02 +0200
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 <l...@kernel.org> Cc: Borislav Petkov <b...@alien8.de> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/f423bbc97864089fbdeb813f1ea126c6eaed844a.1508000261.git.l...@kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/mm/tlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 658bf00..7db23f9 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
