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From: patchwork-bot+netdevbpf@kernel.org
To: Andrea Parri <parri.andrea@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
	yonghong.song@linux.dev, john.fastabend@gmail.com,
	kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com,
	jolsa@kernel.org, bjorn@kernel.org, pulehui@huawei.com,
	puranjay@kernel.org, paul.walmsley@sifive.com,
	palmer@dabbelt.com, aou@eecs.berkeley.edu, paulmck@kernel.org,
	bpf@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] riscv, bpf: Make BPF_CMPXCHG fully ordered
Date: Thu, 17 Oct 2024 15:10:29 +0000	[thread overview]
Message-ID: <172917782901.2501843.16846439136645084983.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20241017143628.2673894-1-parri.andrea@gmail.com>

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Thu, 17 Oct 2024 17:36:28 +0300 you wrote:
> According to the prototype formal BPF memory consistency model
> discussed e.g. in [1] and following the ordering properties of
> the C/in-kernel macro atomic_cmpxchg(), a BPF atomic operation
> with the BPF_CMPXCHG modifier is fully ordered.  However, the
> current RISC-V JIT lowerings fail to meet such memory ordering
> property.  This is illustrated by the following litmus test:
> 
> [...]

Here is the summary with links:
  - riscv, bpf: Make BPF_CMPXCHG fully ordered
    https://git.kernel.org/bpf/bpf/c/98cd61955771

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



WARNING: multiple messages have this Message-ID (diff)
From: patchwork-bot+netdevbpf@kernel.org
To: Andrea Parri <parri.andrea@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org,
	yonghong.song@linux.dev, john.fastabend@gmail.com,
	kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com,
	jolsa@kernel.org, bjorn@kernel.org, pulehui@huawei.com,
	puranjay@kernel.org, paul.walmsley@sifive.com,
	palmer@dabbelt.com, aou@eecs.berkeley.edu, paulmck@kernel.org,
	bpf@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] riscv, bpf: Make BPF_CMPXCHG fully ordered
Date: Thu, 17 Oct 2024 15:10:29 +0000	[thread overview]
Message-ID: <172917782901.2501843.16846439136645084983.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20241017143628.2673894-1-parri.andrea@gmail.com>

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Thu, 17 Oct 2024 17:36:28 +0300 you wrote:
> According to the prototype formal BPF memory consistency model
> discussed e.g. in [1] and following the ordering properties of
> the C/in-kernel macro atomic_cmpxchg(), a BPF atomic operation
> with the BPF_CMPXCHG modifier is fully ordered.  However, the
> current RISC-V JIT lowerings fail to meet such memory ordering
> property.  This is illustrated by the following litmus test:
> 
> [...]

Here is the summary with links:
  - riscv, bpf: Make BPF_CMPXCHG fully ordered
    https://git.kernel.org/bpf/bpf/c/98cd61955771

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  parent reply	other threads:[~2024-10-17 15:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-17 14:36 [PATCH] riscv, bpf: Make BPF_CMPXCHG fully ordered Andrea Parri
2024-10-17 14:36 ` Andrea Parri
2024-10-17 14:46 ` Puranjay Mohan
2024-10-17 14:46   ` Puranjay Mohan
2024-10-17 15:11   ` Björn Töpel
2024-10-17 15:11     ` Björn Töpel
2024-10-17 15:10 ` patchwork-bot+netdevbpf [this message]
2024-10-17 15:10   ` patchwork-bot+netdevbpf

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