From: Andrew Morton <akpm@linux-foundation.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>,
Wei Yang <richard.weiyang@gmail.com>,
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, 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 v3 3/3] mm: introduce mmap_lock_speculate_{try_begin|retry}
Date: Sat, 30 Nov 2024 22:44:19 -0800 [thread overview]
Message-ID: <20241130224419.80c06e9458defceb2a4949ec@linux-foundation.org> (raw)
In-Reply-To: <20241125165357.GA16789@noisy.programming.kicks-ass.net>
On Mon, 25 Nov 2024 17:53:57 +0100 Peter Zijlstra <peterz@infradead.org> wrote:
> On Mon, Nov 25, 2024 at 08:18:38AM -0800, Suren Baghdasaryan wrote:
>
> > > >+static inline bool mmap_lock_speculate_retry(struct mm_struct *mm, unsigned int seq)
> > > >+{
> > > >+ return do_read_seqcount_retry(&mm->mm_lock_seq, seq);
> > >
> > > Just curious why we don't use read_seqcount_retry().
> > >
> > > Looks this is the only user outside seqlock.h.
> >
> > Ah, good eye! read_seqcount_retry() would be better.
> >
> > Peter, do you want me to post a new patchset or you can patch it when
> > picking it up?
>
> Fixed up my local copy, thanks!
I take this to mean that you'll be merging these. I don't see this
series in -next and I'm sitting on the v1 series, which I shall now
drop.
prev parent reply other threads:[~2024-12-01 6:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-22 17:44 [PATCH v3 1/3] seqlock: add raw_seqcount_try_begin Suren Baghdasaryan
2024-11-22 17:44 ` [PATCH v3 2/3] mm: convert mm_lock_seq to a proper seqcount Suren Baghdasaryan
2024-11-22 17:44 ` [PATCH v3 3/3] mm: introduce mmap_lock_speculate_{try_begin|retry} Suren Baghdasaryan
2024-11-25 0:58 ` Wei Yang
2024-11-25 16:18 ` Suren Baghdasaryan
2024-11-25 16:53 ` Peter Zijlstra
2024-12-01 6:44 ` Andrew Morton [this message]
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