linux-kernel - Re: [PATCH] x86/cpufeatures: Force disable X86_FEATURE_ENQCMD and remove update

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: <YLi6+vICUmu07b0E@vkoul-mobl>
Date:   Thu, 3 Jun 2021 16:50:26 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Fenghua Yu <fenghua.yu@...el.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        x86 <x86@...nel.org>, iommu@...ts.linux-foundation.org,
        Ingo Molnar <mingo@...hat.com>, H Peter Anvin <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Christoph Hellwig <hch@...radead.org>,
        Peter Zijlstra <peterz@...radead.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ashok Raj <ashok.raj@...el.com>,
        Jacob Jun Pan <jacob.jun.pan@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Sohil Mehta <sohil.mehta@...el.com>,
        Ravi V Shankar <ravi.v.shankar@...el.com>,
        dmaengine@...r.kernel.org
Subject: Re: [PATCH] x86/cpufeatures: Force disable X86_FEATURE_ENQCMD and
 remove update_pasid()

On 02-06-21, 12:14, Borislav Petkov wrote:
> ---
> From: Borislav Petkov <bp@...e.de>
> Date: Wed, 2 Jun 2021 12:07:52 +0200
> Subject: [PATCH] dmaengine: idxd: Use cpu_feature_enabled()
> 
> When testing x86 feature bits, use cpu_feature_enabled() so that
> build-disabled features can remain off, regardless of what CPUID says.

Applied, thanks

-- 
~Vinod