Remove rmap before clear spte otherwise it will trigger BUG_ON() in some functions such as rmap_write_protect()
Signed-off-by: Xiao Guangrong <[email protected]> --- arch/x86/kvm/mmu.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 67da751..a474d93 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1812,6 +1812,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, if (level > PT_PAGE_TABLE_LEVEL && has_wrprotected_page(vcpu->kvm, gfn, level)) { ret = 1; + rmap_remove(vcpu->kvm, sptep); spte = shadow_trap_nonpresent_pte; goto set_pte; } -- 1.6.1.2 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
