From mboxrd@z Thu Jan  1 00:00:00 1970
From: Will Deacon <will.deacon@arm.com>
Subject: Re: [PATCH 0/5] arm64: Patching branches for fun and profit
Date: Thu, 26 Mar 2015 22:04:52 +0000
Message-ID: <20150326220452.GB23836@arm.com>
References: <1426773576-14062-1-git-send-email-marc.zyngier@arm.com>
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To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Andre Przywara <Andre.Przywara@arm.com>, Dave P Martin <Dave.Martin@arm.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, Catalin Marinas <Catalin.Marinas@arm.com>, "kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
List-Id: kvmarm@lists.cs.columbia.edu

On Thu, Mar 19, 2015 at 01:59:31PM +0000, Marc Zyngier wrote:
> The current alternative instruction framework is not kind to branches,
> potentially leading to all kind of hacks in the code that uses
> alternatives. This series expands it to deal with immediate branches
> (for a start), and applies it to the VGIC world switch.
> 
> Patch #1 adds the required infrastructure to extract the immediate
> from an instruction.
> 
> Patch #2 allows the use of an immediate b or bl instruction as an
> alternative, computing the target branch as the instruction is being
> patched in.
> 
> Patch #3 defines a feature framework that works exactly like the CPU
> errata infrastructure (and shares a lot with it).
> 
> Patch #4 adds detection of the system register GICv3 CPU interface.
> 
> Patch #5 enables dynamic patching of the KVM code.
> 
> This has been tested with GICv3 on a FastModel.

Modulo my one minor comment:

  Acked-by: Will Deacon <will.deacon@arm.com>

for the series.

Will