linux-kernel - Re: [RFC PATCH v1 02/28] kvm: svm: Add kvm_fast_pio

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: <20160921105857.p4euktwugt7evj77@pd.tnic>
Date:   Wed, 21 Sep 2016 12:58:57 +0200
From:   Borislav Petkov <bp@...e.de>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     simon.guinot@...uanux.org, linux-efi@...r.kernel.org,
        kvm@...r.kernel.org, rkrcmar@...hat.com, matt@...eblueprint.co.uk,
        linus.walleij@...aro.org, linux-mm@...ck.org,
        paul.gortmaker@...driver.com, hpa@...or.com,
        dan.j.williams@...el.com, aarcange@...hat.com,
        sfr@...b.auug.org.au, andriy.shevchenko@...ux.intel.com,
        herbert@...dor.apana.org.au, bhe@...hat.com, xemul@...allels.com,
        joro@...tes.org, x86@...nel.org, mingo@...hat.com,
        msalter@...hat.com, ross.zwisler@...ux.intel.com,
        dyoung@...hat.com, thomas.lendacky@....com, jroedel@...e.de,
        keescook@...omium.org, toshi.kani@....com,
        mathieu.desnoyers@...icios.com, devel@...uxdriverproject.org,
        tglx@...utronix.de, mchehab@...nel.org, iamjoonsoo.kim@....com,
        labbott@...oraproject.org, tony.luck@...el.com,
        alexandre.bounine@....com, kuleshovmail@...il.com,
        linux-kernel@...r.kernel.org, mcgrof@...nel.org,
        linux-crypto@...r.kernel.org, pbonzini@...hat.com,
        akpm@...ux-foundation.org, davem@...emloft.net
Subject: Re: [RFC PATCH v1 02/28] kvm: svm: Add kvm_fast_pio_in support

On Mon, Aug 22, 2016 at 07:23:54PM -0400, Brijesh Singh wrote:
> From: Tom Lendacky <thomas.lendacky@....com>
> 
> Update the I/O interception support to add the kvm_fast_pio_in function
> to speed up the in instruction similar to the out instruction.
> 
> Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
> ---
>  arch/x86/include/asm/kvm_host.h |    1 +
>  arch/x86/kvm/svm.c              |    5 +++--
>  arch/x86/kvm/x86.c              |   43 +++++++++++++++++++++++++++++++++++++++
>  3 files changed, 47 insertions(+), 2 deletions(-)

FWIW: Reviewed-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--