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From: "Björn Töpel" <bjorn@kernel.org>
To: Xiao Wang <xiao.w.wang@intel.com>,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, luke.r.nels@gmail.com, xi.wang@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@google.com, haoluo@google.com,
	jolsa@kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
	pulehui@huawei.com, haicheng.li@intel.com,
	Xiao Wang <xiao.w.wang@intel.com>
Subject: Re: [PATCH] riscv, bpf: Introduce shift add helper with Zba optimization
Date: Tue, 21 May 2024 18:39:56 +0200	[thread overview]
Message-ID: <874jardspv.fsf@all.your.base.are.belong.to.us> (raw)
In-Reply-To: <20240520071631.2980798-1-xiao.w.wang@intel.com>

Xiao Wang <xiao.w.wang@intel.com> writes:

> Zba extension is very useful for generating addresses that index into array
> of basic data types. This patch introduces sh2add and sh3add helpers for
> RV32 and RV64 respectively, to accelerate pointer array addressing.
>
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>

This is dependent on [1], and given it hasn't been accepted yet, I'd
make this patch part of that series.


Björn

[1] https://lore.kernel.org/linux-riscv/20240516090430.493122-1-xiao.w.wang@intel.com/

  reply	other threads:[~2024-05-21 16:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-20  7:16 [PATCH] riscv, bpf: Introduce shift add helper with Zba optimization Xiao Wang
2024-05-21 16:39 ` Björn Töpel [this message]
2024-05-24  2:29   ` Wang, Xiao W

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