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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Yosry Ahmed <yosry@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	Lance Yang <lance.yang@linux.dev>,
	peterz@infradead.org, dave.hansen@intel.com,
	dave.hansen@linux.intel.com, ypodemsk@redhat.com,
	hughd@google.com, will@kernel.org, aneesh.kumar@kernel.org,
	npiggin@gmail.com, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, x86@kernel.org, hpa@zytor.com, arnd@arndb.de,
	ljs@kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com,
	Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com,
	dev.jain@arm.com, baohua@kernel.org, shy828301@gmail.com,
	riel@surriel.com, jannh@google.com, jgross@suse.com,
	seanjc@google.com, pbonzini@redhat.com,
	boris.ostrovsky@oracle.com, virtualization@lists.linux.dev,
	kvm@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	ioworker0@gmail.com, roman.gushchin@linux.dev
Subject: Re: [PATCH 7.2 v10 0/2] skip redundant sync IPIs when TLB flush sent them
Date: Fri, 24 Apr 2026 21:09:21 +0200	[thread overview]
Message-ID: <4e7699eb-e101-4a25-b585-79a777eb7cc2@kernel.org> (raw)
In-Reply-To: <CAO9r8zN1pRfyC0Rh+UdW-Lsret=z3oveT3=gnZftX-Sr_ubyyQ@mail.gmail.com>

On 4/24/26 20:50, Yosry Ahmed wrote:
> On Fri, Apr 24, 2026 at 11:36 AM David Hildenbrand (Arm)
> <david@kernel.org> wrote:
>>
>> On 4/24/26 16:31, Andrew Morton wrote:
>>>
>>>
>>> Why do you think so?
>>
>> The most important part for me is that authors are aware of the reports.
>>
>> Sending them as a mail forces people to publicly reply to the feedback, and at
>> this point in time, I am not convinced that that is the right approach.
> 
> But I imagine it's useful for reviewers to see Sashiko's feedback as
> well (without having to go look on the website).

I read a lot of them, yes. Maintainers know how to find it.

I even think maintainers should  briefly go over it before applying to spot if
anything in there is still left unanswered. But that doesn't need a mailing list
posting.

I enjoy if contributors are aware of the reports and use that input in a
reasonable, like Zi just did [1]. And if they are unsure, they usually ask to
double-check.

[1] https://lore.kernel.org/r/15191F7F-0D10-4907-B963-DA4EA0E36EB6@nvidia.com

> It's possible that
> Sashiko is right but the author isn't convinced, so getting more eyes
> on the feedback would help. 

Forcing contributors to reply to everything. I don't like that, in particular
not as long as there is no way for contributors to run it early in private.

In most cases, contributors just do the reasonable thing: incorporate the
feedback in a new version.

-- 
Cheers,

David

  parent reply	other threads:[~2026-04-24 19:09 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-24  6:25 [PATCH 7.2 v10 0/2] skip redundant sync IPIs when TLB flush sent them Lance Yang
2026-04-24  6:25 ` [PATCH 7.2 v10 1/2] mm/mmu_gather: prepare to skip redundant sync IPIs Lance Yang
2026-04-24 15:04   ` Peter Zijlstra
2026-04-24 15:52     ` Dave Hansen
2026-04-24 15:40   ` Lance Yang
2026-04-24  6:25 ` [PATCH 7.2 v10 2/2] x86/tlb: skip redundant sync IPIs for native TLB flush Lance Yang
2026-04-24 15:12   ` Peter Zijlstra
2026-04-24 15:49     ` Lance Yang
2026-04-24 13:30 ` [PATCH 7.2 v10 0/2] skip redundant sync IPIs when TLB flush sent them Andrew Morton
2026-04-24 13:37   ` Pasha Tatashin
2026-04-24 14:15     ` Andrew Morton
2026-04-24 14:20       ` David Hildenbrand (Arm)
2026-04-24 14:31         ` Andrew Morton
2026-04-24 14:40           ` Pasha Tatashin
2026-04-24 18:36           ` David Hildenbrand (Arm)
2026-04-24 18:50             ` Yosry Ahmed
2026-04-24 19:01               ` Peter Zijlstra
2026-04-24 19:12                 ` Zi Yan
2026-04-24 19:15                   ` Yosry Ahmed
2026-04-25  0:58                     ` SeongJae Park
2026-04-24 19:22                   ` Peter Zijlstra
2026-04-24 19:35                     ` Peter Zijlstra
2026-04-24 20:03                       ` Roman Gushchin
2026-04-24 20:11                         ` Peter Zijlstra
2026-04-24 19:08               ` Andrew Morton
2026-04-24 19:09               ` David Hildenbrand (Arm) [this message]
2026-04-24 19:17                 ` Peter Zijlstra
2026-04-24 19:24                   ` David Hildenbrand (Arm)
2026-04-24 19:18                 ` Yosry Ahmed
2026-04-25  1:12                   ` SeongJae Park
2026-04-25  5:17                   ` David Hildenbrand (Arm)
2026-04-25 11:36                     ` Andrew Morton
2026-04-25  1:19           ` SeongJae Park

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