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| /openbmc/linux/arch/x86/include/asm/ |
| H A D | mmu_context.h | 4c07f904 Mon Jul 17 04:49:07 CDT 2017 Roman Kagan <rkagan@virtuozzo.com> x86/mm, KVM: Fix warning when !CONFIG_PREEMPT_COUNT
A recent commit:
d6e41f1151fe ("x86/mm, KVM: Teach KVM's VMX code that CR3 isn't a constant")
introduced a VM_WARN_ON(!in_atomic()) which generates false positives
on every VM entry on !CONFIG_PREEMPT_COUNT kernels.
Replace it with a test for preemptible(), which appears to match the
original intent and works across different CONFIG_PREEMPT* variations.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm@vger.kernel.org
Cc: linux-mm@kvack.org
Fixes: d6e41f1151fe ("x86/mm, KVM: Teach KVM's VMX code that CR3 isn't a constant")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
4c07f904 Mon Jul 17 04:49:07 CDT 2017 Roman Kagan <rkagan@virtuozzo.com> x86/mm, KVM: Fix warning when !CONFIG_PREEMPT_COUNT
A recent commit:
d6e41f1151fe ("x86/mm, KVM: Teach KVM's VMX code that CR3 isn't a constant")
introduced a VM_WARN_ON(!in_atomic()) which generates false positives
on every VM entry on !CONFIG_PREEMPT_COUNT kernels.
Replace it with a test for preemptible(), which appears to match the
original intent and works across different CONFIG_PREEMPT* variations.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kvm@vger.kernel.org
Cc: linux-mm@kvack.org
Fixes: d6e41f1151fe ("x86/mm, KVM: Teach KVM's VMX code that CR3 isn't a constant")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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