linux-kernel - Re: [PATCH] x86/hyper-v: define structures from TLFS as packed

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] [day] [month] [year] [list]

Message-ID: <87pnumwqhy.fsf@vitty.brq.redhat.com>
Date:   Fri, 30 Nov 2018 16:10:17 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Roman Kagan <rkagan@...tuozzo.com>
Cc:     "kvm\@vger.kernel.org" <kvm@...r.kernel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "x86\@kernel.org" <x86@...nel.org>,
        "Michael Kelley \(EOSG\)" <Michael.H.Kelley@...rosoft.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86/hyper-v: define structures from TLFS as packed

Roman Kagan <rkagan@...tuozzo.com> writes:

> On Fri, Nov 30, 2018 at 02:44:54PM +0100, Vitaly Kuznetsov wrote:
>
>> I also checked this patch before sending out, WS2016 guest boots without
>> issues. Any particular places you're worried about?
>
> It's Linux guests on Hyper-V that need to be checked.
>

That's exactly what I've tested, Linux guest on Windows Server 2016 with
Hyper-V. (Actually, I checked WS2016 guest on KVM with hv_stimer and
hv_stimer_direct too but afaiu we're not worried about the alignment
requirements there).

-- 
Vitaly