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Date: Thu, 30 Nov 2023 13:40:53 +0000
From: Greg KH <gregkh@linuxfoundation.org>
To: Zenghui Yu <yuzenghui@huawei.com>
Cc: stable@vger.kernel.org, sashal@kernel.org,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	andrew.murray@arm.com, mark.rutland@arm.com, suzuki.poulose@arm.com,
	wanghaibin.wang@huawei.com, will@kernel.org
Subject: Re: [for-4.19 0/2] backport "KVM: arm64: limit PMU version to PMUv3
 for ARMv8.1"
Message-ID: <2023113045-headlock-improvise-cf6b@gregkh>
References: <20231128074633.646-1-yuzenghui@huawei.com>
 <2023112831-preachy-unshaved-790d@gregkh>
 <350d1f6f-953b-eac4-4e1b-9e59060c99bc@huawei.com>
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In-Reply-To: <350d1f6f-953b-eac4-4e1b-9e59060c99bc@huawei.com>

On Tue, Nov 28, 2023 at 08:00:08PM +0800, Zenghui Yu wrote:
> On 2023/11/28 16:12, Greg KH wrote:
> > On Tue, Nov 28, 2023 at 03:46:31PM +0800, Zenghui Yu wrote:
> > > We need to backport patch #1 as well because it introduced a helper used
> > > by patch #2.
> > > 
> > > Andrew Murray (2):
> > >   arm64: cpufeature: Extract capped perfmon fields
> > >   KVM: arm64: limit PMU version to PMUv3 for ARMv8.1
> > 
> > We can not just take these in an old stable tree and not newer ones as
> > that would mean you could upgrade and have a regression.  Please provide
> > backports for all applicable stable trees and we will be glad to take
> > them.
> 
> Thanks for the heads up! "for-5.4" patches sent now.

Great, all now queued up, thanks.

greg k-h