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From: Peter Zijlstra <peterz@infradead.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: akpm@linux-foundation.org, andrii@kernel.org, jannh@google.com,
	Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com,
	vbabka@suse.cz, mhocko@kernel.org, shakeel.butt@linux.dev,
	hannes@cmpxchg.org, david@redhat.com, willy@infradead.org,
	brauner@kernel.org, oleg@redhat.com, arnd@arndb.de,
	richard.weiyang@gmail.com, zhangpeng.00@bytedance.com,
	linmiaohe@huawei.com, viro@zeniv.linux.org.uk, hca@linux.ibm.com,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] mm: introduce mmap_lock_speculate_{try_begin|retry}
Date: Fri, 22 Nov 2024 12:05:57 +0100	[thread overview]
Message-ID: <20241122110557.GO24774@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20241121162826.987947-3-surenb@google.com>

On Thu, Nov 21, 2024 at 08:28:26AM -0800, Suren Baghdasaryan wrote:
> Add helper functions to speculatively perform operations without
> read-locking mmap_lock, expecting that mmap_lock will not be
> write-locked and mm is not modified from under us.
> 
> Suggested-by: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Suren Baghdasaryan <surenb@google.com>

Thanks for these, you're okay with me taking these through tip/perf/core
for the next cycle along with Andrii's uprobe patch?


  reply	other threads:[~2024-11-22 11:06 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-21 16:28 [PATCH v2 1/3] seqlock: add raw_seqcount_try_begin Suren Baghdasaryan
2024-11-21 16:28 ` [PATCH v2 2/3] mm: convert mm_lock_seq to a proper seqcount Suren Baghdasaryan
2024-11-22 15:14   ` Liam R. Howlett
2024-11-22 16:52   ` kernel test robot
2024-11-22 17:17     ` Suren Baghdasaryan
2024-11-22 17:49       ` Suren Baghdasaryan
2024-11-22 19:37   ` kernel test robot
2024-11-21 16:28 ` [PATCH v2 3/3] mm: introduce mmap_lock_speculate_{try_begin|retry} Suren Baghdasaryan
2024-11-22 11:05   ` Peter Zijlstra [this message]
2024-11-22 15:03     ` Suren Baghdasaryan
2024-11-22 15:15   ` Liam R. Howlett
2024-11-22 11:10 ` [PATCH v2 1/3] seqlock: add raw_seqcount_try_begin David Hildenbrand
2024-11-22 11:19   ` Peter Zijlstra
2024-11-22 11:21     ` David Hildenbrand
2024-11-22 15:13 ` Liam R. Howlett

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