linux-kernel - Re: [PATCH bpf-next] arm64: bpf: optimize modulo operation

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Message-ID: <4da4bb59-5578-6981-55b7-5dbc4f0a8254@iogearbox.net>
Date:   Tue, 3 Sep 2019 16:05:04 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     jerinj@...vell.com, netdev@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>,
        Zi Shen Lim <zlim.lnx@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        "open list:BPF JIT for ARM64" <bpf@...r.kernel.org>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next] arm64: bpf: optimize modulo operation

On 9/2/19 8:14 AM, jerinj@...vell.com wrote:
> From: Jerin Jacob <jerinj@...vell.com>
> 
> Optimize modulo operation instruction generation by
> using single MSUB instruction vs MUL followed by SUB
> instruction scheme.
> 
> Signed-off-by: Jerin Jacob <jerinj@...vell.com>

Applied, thanks!