From: patchwork-bot+netdevbpf@kernel.org
To: Xu Kuohai <xukuohai@huawei.com>
Cc: bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
catalin.marinas@arm.com, will@kernel.org, daniel@iogearbox.net,
ast@kernel.org, zlim.lnx@gmail.com, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org,
jthierry@redhat.com, mark.rutland@arm.com, houtao1@huawei.com,
tabba@google.com, james.morse@arm.com
Subject: Re: [PATCH -next v5 0/5] bpf, arm64: Optimize BPF store/load using arm64 str/ldr(immediate)
Date: Thu, 31 Mar 2022 23:20:11 +0000 [thread overview]
Message-ID: <164876881170.25543.2692947593544294416.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220321152852.2334294-1-xukuohai@huawei.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Mon, 21 Mar 2022 11:28:47 -0400 you wrote:
> The current BPF store/load instruction is translated by the JIT into two
> instructions. The first instruction moves the immediate offset into a
> temporary register. The second instruction uses this temporary register
> to do the real store/load.
>
> In fact, arm64 supports addressing with immediate offsets. So This series
> introduces optimization that uses arm64 str/ldr instruction with immediate
> offset when the offset fits.
>
> [...]
Here is the summary with links:
- [bpf-next,v5,1/5] arm64: insn: add ldr/str with immediate offset
https://git.kernel.org/bpf/bpf-next/c/30c90f6757a7
- [bpf-next,v5,2/5] bpf, arm64: Optimize BPF store/load using arm64 str/ldr(immediate offset)
https://git.kernel.org/bpf/bpf-next/c/7db6c0f1d8ee
- [bpf-next,v5,3/5] bpf, arm64: adjust the offset of str/ldr(immediate) to positive number
https://git.kernel.org/bpf/bpf-next/c/5b3d19b9bd40
- [bpf-next,v5,4/5] bpf/tests: Add tests for BPF_LDX/BPF_STX with different offsets
https://git.kernel.org/bpf/bpf-next/c/f516420f683d
- [bpf-next,v5,5/5] bpf, arm64: add load store test case for tail call
https://git.kernel.org/bpf/bpf-next/c/38608ee7b690
You are awesome, thank you!
--
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next prev parent reply other threads:[~2022-03-31 23:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 15:28 [PATCH -next v5 0/5] bpf, arm64: Optimize BPF store/load using arm64 str/ldr(immediate) Xu Kuohai
2022-03-21 15:28 ` [PATCH bpf-next v5 1/5] arm64: insn: add ldr/str with immediate offset Xu Kuohai
2022-03-21 15:28 ` [PATCH bpf-next v5 2/5] bpf, arm64: Optimize BPF store/load using arm64 str/ldr(immediate offset) Xu Kuohai
2022-03-21 15:28 ` [PATCH bpf-next v5 3/5] bpf, arm64: adjust the offset of str/ldr(immediate) to positive number Xu Kuohai
2022-03-21 15:28 ` [PATCH bpf-next v5 4/5] bpf/tests: Add tests for BPF_LDX/BPF_STX with different offsets Xu Kuohai
2022-03-21 15:28 ` [PATCH bpf-next v5 5/5] bpf, arm64: add load store test case for tail call Xu Kuohai
2022-03-30 3:43 ` [PATCH -next v5 0/5] bpf, arm64: Optimize BPF store/load using arm64 str/ldr(immediate) Xu Kuohai
2022-03-31 23:20 ` patchwork-bot+netdevbpf [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-03-21 15:28 Xu Kuohai
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