netdev - Re: [PATCH bpf-next v4 0/4] bpf, arm64: support more atomic ops

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Date:   Tue, 22 Feb 2022 22:42:11 +0000
From:   Will Deacon <will@...nel.org>
To:     Alexei Starovoitov <ast@...nel.org>, Hou Tao <houtao1@...wei.com>
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Jakub Kicinski <kuba@...nel.org>,
        Zi Shen Lim <zlim.lnx@...il.com>, netdev@...r.kernel.org,
        John Fastabend <john.fastabend@...il.com>,
        Yonghong Song <yhs@...com>, bpf@...r.kernel.org,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S . Miller" <davem@...emloft.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH bpf-next v4 0/4] bpf, arm64: support more atomic ops

On Tue, Feb 22, 2022 at 10:38:02PM +0000, Will Deacon wrote:
> On Thu, 17 Feb 2022 15:22:28 +0800, Hou Tao wrote:
> > Atomics support in bpf has already been done by "Atomics for eBPF"
> > patch series [1], but it only adds support for x86, and this patchset
> > adds support for arm64.
> > 
> > Patch #1 & patch #2 are arm64 related. Patch #1 moves the common used
> > macro AARCH64_BREAK_FAULT into insn-def.h for insn.h. Patch #2 adds
> > necessary encoder helpers for atomic operations.
> > 
> > [...]
> 
> Applied to arm64 (for-next/insn), thanks!
> 
> [1/4] arm64: move AARCH64_BREAK_FAULT into insn-def.h
>       https://git.kernel.org/arm64/c/97e58e395e9c
> [2/4] arm64: insn: add encoders for atomic operations
>       https://git.kernel.org/arm64/c/fa1114d9eba5

Daniel -- let's give this a day or so in -next, then if nothing catches
fire you're more than welcome to pull this branch as a base for the rest
of the series.

Cheers,

Will