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From: Andrew Jones <ajones@ventanamicro.com>
To: Xiao Wang <xiao.w.wang@intel.com>
Cc: paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu,  luke.r.nels@gmail.com, xi.wang@gmail.com,
	bjorn@kernel.org, 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,
	conor@kernel.org,  ben.dooks@codethink.co.uk
Subject: Re: [PATCH v3] riscv, bpf: Optimize zextw insn with Zba extension
Date: Thu, 16 May 2024 14:38:28 +0200	[thread overview]
Message-ID: <20240516-0ec6ff4ad0e23302003be51a@orel> (raw)
In-Reply-To: <20240516090430.493122-1-xiao.w.wang@intel.com>

On Thu, May 16, 2024 at 05:04:30PM GMT, Xiao Wang wrote:
> The Zba extension provides add.uw insn which can be used to implement
> zext.w with rs2 set as ZERO.
> 
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> ---
> v3:
> * Remove the Kconfig dependencies on TOOLCHAIN_HAS_ZBA and
>   RISCV_ALTERNATIVE. (Andrew)
> v2:
> * Add Zba description in the Kconfig. (Lehui)
> * Reword the Kconfig help message to make it clearer. (Conor)
> ---
>  arch/riscv/Kconfig       | 12 ++++++++++++
>  arch/riscv/net/bpf_jit.h | 18 ++++++++++++++++++
>  2 files changed, 30 insertions(+)
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

WARNING: multiple messages have this Message-ID (diff)
From: Andrew Jones <ajones@ventanamicro.com>
To: Xiao Wang <xiao.w.wang@intel.com>
Cc: paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu,  luke.r.nels@gmail.com, xi.wang@gmail.com,
	bjorn@kernel.org, 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,
	conor@kernel.org,  ben.dooks@codethink.co.uk
Subject: Re: [PATCH v3] riscv, bpf: Optimize zextw insn with Zba extension
Date: Thu, 16 May 2024 14:38:28 +0200	[thread overview]
Message-ID: <20240516-0ec6ff4ad0e23302003be51a@orel> (raw)
In-Reply-To: <20240516090430.493122-1-xiao.w.wang@intel.com>

On Thu, May 16, 2024 at 05:04:30PM GMT, Xiao Wang wrote:
> The Zba extension provides add.uw insn which can be used to implement
> zext.w with rs2 set as ZERO.
> 
> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> ---
> v3:
> * Remove the Kconfig dependencies on TOOLCHAIN_HAS_ZBA and
>   RISCV_ALTERNATIVE. (Andrew)
> v2:
> * Add Zba description in the Kconfig. (Lehui)
> * Reword the Kconfig help message to make it clearer. (Conor)
> ---
>  arch/riscv/Kconfig       | 12 ++++++++++++
>  arch/riscv/net/bpf_jit.h | 18 ++++++++++++++++++
>  2 files changed, 30 insertions(+)
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

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

  reply	other threads:[~2024-05-16 12:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-16  9:04 [PATCH v3] riscv, bpf: Optimize zextw insn with Zba extension Xiao Wang
2024-05-16  9:04 ` Xiao Wang
2024-05-16 12:38 ` Andrew Jones [this message]
2024-05-16 12:38   ` Andrew Jones
2024-05-17  7:24 ` Pu Lehui
2024-05-17  7:24   ` Pu Lehui
2024-05-24 15:10 ` patchwork-bot+netdevbpf
2024-05-24 15:10   ` patchwork-bot+netdevbpf

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