linux-kernel - Re: [PATCH 6/8] kvm: svm: pass MSR_IA32_SPEC_CTRL and MSR_IA32_PRED

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <a2deb055-366d-2115-dabd-71c7d26b553e@redhat.com>
Date:   Tue, 9 Jan 2018 17:05:58 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        rkrcmar@...hat.com, liran.alon@...cle.com, jmattson@...gle.com,
        aliguori@...zon.com, thomas.lendacky@....com, dwmw@...zon.co.uk,
        bp@...en8.de, x86@...nel.org
Subject: Re: [PATCH 6/8] kvm: svm: pass MSR_IA32_SPEC_CTRL and
 MSR_IA32_PRED_CMD down to guest

On 09/01/2018 15:22, Konrad Rzeszutek Wilk wrote:
>> +	have_spec_ctrl = cpu_has_spec_ctrl();
>> +	if (have_spec_ctrl)
>> +		pr_info("kvm: SPEC_CTRL available\n");
>> +	else
>> +		pr_info("kvm: SPEC_CTRL not available\n");
> Perhaps just
> 
> 	pr_info("kvm: SPEC_CTRL %s available\n", have_spec_ctrl ? "" : "not");
> 

I don't expect any of these FIXMEs to be ever committed. :)

Paolo