linux-kernel - Re: [PATCH v10 4/7] x86/syscalls/32: Wire up arch

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Message-ID: <20161109110424.jxd46v6aakojrwa5@pd.tnic>
Date:   Wed, 9 Nov 2016 12:04:24 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Kyle Huey <me@...ehuey.com>
Cc:     Robert O'Callahan <robert@...llahan.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Shuah Khan <shuah@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        David Matlack <dmatlack@...gle.com>,
        linux-kernel@...r.kernel.org,
        user-mode-linux-devel@...ts.sourceforge.net,
        user-mode-linux-user@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH v10 4/7] x86/syscalls/32: Wire up arch_prctl on x86-32

On Tue, Nov 08, 2016 at 10:39:53AM -0800, Kyle Huey wrote:
> Hook up arch_prctl to call do_arch_prctl on x86-32, and in 32 bit compat
> mode on x86-64. This allows us to have arch_prctls that are not specific to

function_name()

> 64 bits.
> 
> On UML, simply stub out this syscall.
> 
> Signed-off-by: Kyle Huey <khuey@...ehuey.com>

...

-- 
Regards/Gruss,
    Boris.

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