| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1273594667-17175-9-git-send-email-glommer@redhat.com> Date: Tue, 11 May 2010 12:17:46 -0400 From: Glauber Costa <glommer@...hat.com> To: kvm@...r.kernel.org Cc: linux-kernel@...r.kernel.org, avi@...hat.com, zamsden@...hat.com Subject: [PATCH 8/9] Tell the guest we'll warn it about tsc stability This patch puts up the flag that tells the guest that we'll warn it about the tsc being trustworthy or not. By now, we also say it is not. --- arch/x86/kvm/x86.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a51b560..7922401 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -855,6 +855,8 @@ static void kvm_write_guest_time(struct kvm_vcpu *v) vcpu->hv_clock.system_time = ts.tv_nsec + (NSEC_PER_SEC * (u64)ts.tv_sec) + v->kvm->arch.kvmclock_offset; + vcpu->hv_clock.flags = 0; + /* * The interface expects us to write an even number signaling that the * update is finished. Since the guest won't see the intermediate @@ -1983,7 +1985,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, case KVM_CPUID_FEATURES: entry->eax = (1 << KVM_FEATURE_CLOCKSOURCE) | (1 << KVM_FEATURE_NOP_IO_DELAY) | - (1 << KVM_FEATURE_CLOCKSOURCE2); + (1 << KVM_FEATURE_CLOCKSOURCE2) | + (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT); entry->ebx = 0; entry->ecx = 0; entry->edx = 0; -- 1.6.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists