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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Dominique Martinet <dominique.martinet@atmark-techno.com>
Cc: stable@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Bing-Jhong Billy Jheng <billy@starlabs.sg>,
	Muhammad Ramdhan <ramdhan@starlabs.sg>,
	Andrii Nakryiko <andrii@kernel.org>
Subject: Re: [PATCH 5.10] bpf: Fix overrunning reservations in ringbuf
Date: Tue, 23 Jul 2024 15:24:46 +0200	[thread overview]
Message-ID: <2024072339-aneurism-unclaimed-bda2@gregkh> (raw)
In-Reply-To: <ZpeEo2nt-9vOPzg7@atmark-techno.com>

On Wed, Jul 17, 2024 at 05:45:23PM +0900, Dominique Martinet wrote:
> Dominique Martinet wrote on Wed, Jul 17, 2024 at 03:59:46PM +0900:
> > The only conflict with the patch was in the comment at top of the patch
> > (the commit that had changed this comment, 583c1f420173 ("bpf: Define
> > new BPF_MAP_TYPE_USER_RINGBUF map type"), has nothing to do with this
> > fix), so I went ahead with it.
> > 
> > I'm not familiar with the ringbuf code but it doesn't look too wrong to
> > me at first glance; and with this all stable branches are covered.
> 
> I need a bit more sleep; that obviously missed 5.15 which didn't get
> the fix backported either due to the same conflict; this commit applies
> to both branches.
> 
> I've also checked something like bpftrace which uses the ring buffer for
> message passing doesn't blow up when spamming a bit on 5.10, just in
> case.

Both now queued up, thanks.

greg k-h

      reply	other threads:[~2024-07-23 13:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-17  6:59 [PATCH 5.10] bpf: Fix overrunning reservations in ringbuf Dominique Martinet
2024-07-17  8:45 ` Dominique Martinet
2024-07-23 13:24   ` Greg Kroah-Hartman [this message]

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