From: Suren Baghdasaryan <surenb@google.com>
To: Peter Zijlstra <peterz@infradead.org>
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 07:03:17 -0800 [thread overview]
Message-ID: <CAJuCfpFF4AFiMZqEGzJKrboLJUqAMoz0b35L5MsQKVLOJnCmZw@mail.gmail.com> (raw)
In-Reply-To: <20241122110557.GO24774@noisy.programming.kicks-ass.net>
On Fri, Nov 22, 2024 at 3:06 AM Peter Zijlstra <peterz@infradead.org> wrote:
>
> 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?
Yes, I'm fine with that plan. Thank you!
next prev parent reply other threads:[~2024-11-22 15:03 UTC|newest]
Thread overview: 11+ 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
2024-11-21 16:28 ` [PATCH v2 3/3] mm: introduce mmap_lock_speculate_{try_begin|retry} Suren Baghdasaryan
2024-11-22 11:05 ` Peter Zijlstra
2024-11-22 15:03 ` Suren Baghdasaryan [this message]
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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