linux-kernel - Re: [patch V4 11/15] x86/entry: Use generic syscall exit functionality

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Message-ID: <202007211447.8F89234@keescook>
Date:   Tue, 21 Jul 2020 14:47:56 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        linux-arch@...r.kernel.org, Will Deacon <will@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Mark Rutland <mark.rutland@....com>,
        Keno Fischer <keno@...iacomputing.com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        Gabriel Krisman Bertazi <krisman@...labora.com>
Subject: Re: [patch V4 11/15] x86/entry: Use generic syscall exit
 functionality

On Tue, Jul 21, 2020 at 12:57:17PM +0200, Thomas Gleixner wrote:
> Replace the x86 variant with the generic version. Provide the relevant
> architecture specific helper functions and defines.
> 
> Use a temporary define for idtentry_exit_user which will be cleaned up
> seperately.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Acked-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook