linux-kernel - Re: [PATCH] kvm: clear kvmclock MSR on reset

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

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Mon, 21 Oct 2019 19:19:23 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     suleiman@...gle.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH] kvm: clear kvmclock MSR on reset

On 16/10/19 19:06, Vitaly Kuznetsov wrote:
>>  		/* we verify if the enable bit is set... */
>> +		vcpu->arch.pv_time_enabled = false;
>>  		if (!(data & 1))
>>  			break;
>>  
>>  		if (kvm_gfn_to_hva_cache_init(vcpu->kvm,
>>  		     &vcpu->arch.pv_time, data & ~1ULL,
>>  		     sizeof(struct pvclock_vcpu_time_info)))
>> -			vcpu->arch.pv_time_enabled = false;
>> -		else
>>  			vcpu->arch.pv_time_enabled = true;

Yes...

Paolo