From 92d22d0ed7089b6cac0a977ba03deb05e578539d Mon Sep 17 00:00:00 2001 From: cmss_dx Date: Mon, 28 Nov 2022 03:07:47 +0000 Subject: [PATCH] target/i386/kvm: fix kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' failed mainline inclusion from mainline-v7.2.0-rc2 commit c4ef867f2949bf2a2ae18a4e27cf1a34bbc8aecb category: bugfix -------------------------------- New KVM_CLOCK flags were added in the kernel.(c68dc1b577eabd5605c6c7c08f3e07ae18d30d5d) ``` + #define KVM_CLOCK_VALID_FLAGS \ + (KVM_CLOCK_TSC_STABLE | KVM_CLOCK_REALTIME | KVM_CLOCK_HOST_TSC) case KVM_CAP_ADJUST_CLOCK: - r = KVM_CLOCK_TSC_STABLE; + r = KVM_CLOCK_VALID_FLAGS; ``` kvm_has_adjust_clock_stable needs to handle additional flags, so that s->clock_is_reliable can be true and kvmclock_current_nsec doesn't need to be called. Signed-off-by: Ray Zhang Message-Id: <20220922100523.2362205-1-zhanglei002@gmail.com> Signed-off-by: Paolo Bonzini Signed-off-by: cmss_dx --- target/i386/kvm/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index c885763a5b..581757e840 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -156,7 +156,7 @@ bool kvm_has_adjust_clock_stable(void) { int ret = kvm_check_extension(kvm_state, KVM_CAP_ADJUST_CLOCK); - return (ret == KVM_CLOCK_TSC_STABLE); + return (ret & KVM_CLOCK_TSC_STABLE); } bool kvm_has_adjust_clock(void) -- Gitee