linux-kernel - Re: [patch V5 00/15] entry, x86, kvm: Generic entry/exit functionality for host and guest

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Message-ID: <e0edb228-b7e1-09ae-c41a-b5f4cbf37347@arm.com>
Date:   Wed, 29 Jul 2020 14:39:51 +0100
From:   Steven Price <steven.price@....com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, linux-arch@...r.kernel.org,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Mark Rutland <mark.rutland@....com>,
        Kees Cook <keescook@...omium.org>,
        Keno Fischer <keno@...iacomputing.com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        Gabriel Krisman Bertazi <krisman@...labora.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: Re: [patch V5 00/15] entry, x86, kvm: Generic entry/exit
 functionality for host and guest

On 24/07/2020 21:51, Thomas Gleixner wrote:
> Thomas Gleixner <tglx@...utronix.de> writes:
>> This is the 5th version of generic entry/exit functionality for host and
>> guest.
> 
> I've merged the pile in two steps. Patch 1-5, i.e. the generic code is
> here:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/entry
> 
> and merged this branch and patch 6-15 into
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry
> 
> core/entry is immutable and any updates, changes go on top. It's meant
> as a base for other architecture developers who want to fiddle with that
> without having to get the x86 mess as well.

Hi Thomas,

Just FYI: I'm going to take a look at arm64 support for this. I know 
Mark previously posted[1] a series moving much of the code to C, so 
hopefully I can build on that and make use of the generic code.

Thanks,

Steve

[1] https://lore.kernel.org/r/20200108185634.1163-1-mark.rutland@arm.com