From: Vladimir Murzin <vladimir.murzin@arm.com>
To: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
rmikey@meta.com,
"Peter Zijlstra \(Intel\)" <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Jinjie Ruan <ruanjinjie@huawei.com>,
kernel-team@meta.com, linux-kernel@vger.kernel.org,
Breno Leitao <leitao@debian.org>,
bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC] arm64: entry: PSTATE_I_SET is leaking on pseudo NMI mode
Date: Tue, 11 Aug 2026 13:08:16 +0100 [thread overview]
Message-ID: <12843f8d-8c70-477e-904b-ba775eed6345@arm.com> (raw)
In-Reply-To: <ansIT2PCHq_EKuTE@willie-the-truck>
On 8/11/26 12:32, Will Deacon wrote:
> On Mon, Aug 10, 2026 at 05:39:52PM +0100, Vladimir Murzin wrote:
>> On 8/10/26 16:05, Will Deacon wrote:
>> > So we could probably hack something as you suggest, but maybe the best
>>> option is to take patches 8 and 9 from your FEAT_NMI series? WDYT?
>>>
>> Whatever you prefer, tbh :)
>>
>> Patch 9 codifies my understanding of how things are expected to
>> work. That said, I accept that I could be missing something, hence the
>> RFC tag.
> Those two look fine to me and I already took the preceding changes.
>
>> In case you decide to take it, we probably need to:
>>
>> - extend the commit message to cover Breno's report (right now, the
>> commit message makes it look like a refactoring)
>>
>> - add Fixes tags if we want it to be backported
>>
>> Alternatively, I can respin the patch separately with the suggestions
>> above applied - just let me know ;)
> Lemme have a go at picking them up... I'll yell if it all goes horribly
> wrong!
>
Ready, steady... :D
More than happy to help if those go wrong.
Cheers
Vladimir
> Will
>
next prev parent reply other threads:[~2026-08-11 12:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 11:45 [PATCH RFC] arm64: entry: PSTATE_I_SET is leaking on pseudo NMI mode Breno Leitao
2026-08-07 13:40 ` Will Deacon
2026-08-07 13:57 ` Mark Rutland
2026-08-07 14:49 ` Vladimir Murzin
2026-08-10 12:44 ` Jinjie Ruan
2026-08-10 13:04 ` Vladimir Murzin
2026-08-11 2:47 ` Jinjie Ruan
2026-08-11 8:18 ` Vladimir Murzin
2026-08-07 14:58 ` Breno Leitao
2026-08-07 16:29 ` Breno Leitao
2026-08-10 11:43 ` Will Deacon
2026-08-10 12:42 ` Vladimir Murzin
2026-08-10 15:05 ` Will Deacon
2026-08-10 16:39 ` Vladimir Murzin
2026-08-11 11:32 ` Will Deacon
2026-08-11 12:08 ` Vladimir Murzin [this message]
2026-08-10 12:51 ` Jinjie Ruan
2026-08-10 12:59 ` Breno Leitao
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