From: patchwork-bot+netdevbpf@kernel.org
To: Hou Tao <houtao1@huawei.com>
Cc: ast@kernel.org, john.fastabend@gmail.com, kafai@fb.com,
yhs@fb.com, daniel@iogearbox.net, andrii@kernel.org,
davem@davemloft.net, kuba@kernel.org, jackmanb@google.com,
netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH bpf-next] bpf, x86: remove unnecessary handling of BPF_SUB atomic op
Date: Thu, 27 Jan 2022 21:50:09 +0000 [thread overview]
Message-ID: <164332020913.6471.16764153839958663792.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220127083240.1425481-1-houtao1@huawei.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Thu, 27 Jan 2022 16:32:40 +0800 you wrote:
> According to the LLVM commit (https://reviews.llvm.org/D72184),
> sync_fetch_and_sub() is implemented as a negation followed by
> sync_fetch_and_add(), so there will be no BPF_SUB op and just
> remove it.
>
> Signed-off-by: Hou Tao <houtao1@huawei.com>
>
> [...]
Here is the summary with links:
- [bpf-next] bpf, x86: remove unnecessary handling of BPF_SUB atomic op
https://git.kernel.org/bpf/bpf-next/c/b6ec79518ef0
You are awesome, thank you!
--
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prev parent reply other threads:[~2022-01-27 21:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 8:32 [PATCH bpf-next] bpf, x86: remove unnecessary handling of BPF_SUB atomic op Hou Tao
2022-01-27 10:48 ` Brendan Jackman
2022-01-27 21:51 ` Daniel Borkmann
2022-01-28 2:40 ` John Fastabend
2022-01-27 21:50 ` patchwork-bot+netdevbpf [this message]
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