From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from www62.your-server.de (www62.your-server.de [213.133.104.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F8B414AD3F; Tue, 2 Apr 2024 16:24:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.133.104.62 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712075075; cv=none; b=EraYS7DAV2CB/S4rhFxUhJvCOT+0JuxV0IO6WmZJ+uLiDHVNVD87H97Y9sNnM5v1Tk1XO58WsMvihQ6dCR2Wll2xTb8xRl1LmSy3K+g3KWsKQ+yM8dmbVIgqxrMSurQ977Bh7tsznC1IaEwfQwFkgKxBF00GTjrlfdDzebHqwYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712075075; c=relaxed/simple; bh=T/1yoCsi4GP730fXqNiqoizjQuq13ZRUJPoJmfMP5kg=; h=Subject:To:Cc:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=NBhkY1xy99x6wjXqsLW1sbRF4612pQqVubJxpm+AkRf+rz11Xpk9Nc6yZyibIcWIdjat1Z3tlFXKwWeLtNmZV3v1MCYTxleLRLCwDNE27RY/wVyKIdvL1xtqEWjW7IvG3BPfOe+ykL0zxZqDnIzcI/E6TeghgdaP87CjSuDdWl4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net; spf=pass smtp.mailfrom=iogearbox.net; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b=h3c5A5VJ; arc=none smtp.client-ip=213.133.104.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b="h3c5A5VJ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=iogearbox.net; s=default2302; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=CyIVajsnrqIc9aPmFtNlh8ytag8an+QEap4fj/7NjHc=; b=h3c5A5VJAAgv6qoUjBFB4+v+xA zM6zctkJmzQ3myEg1AcdGCislp6xYaCnF/M9CnmRRZdD40PstebrZhf2DPyzdTkwsAAYA7U57N+Xr xM/bMzKwagk47WFPqXCpKAVOgEzvIp2HehrBcGBxzne1QO4/TSbzcnAhsx0Y4N6Hkjm1qYtYjyc4i rDvdi4N5oNIrwn+ITgg+UQ38iYGk6deZMweqj0A/VlhqMOA5wLy1NfXmz5LGSK/bm1qNN9DKLdjB/ frOjcFCG2rOrwzsltny3/YZleAw00FsyNqdSEAnwExHYQTUt2JQ5NrtOE2FtbqefD7JYMMypG5CL5 xznMnodQ==; Received: from sslproxy07.your-server.de ([78.47.199.104]) by www62.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rrgbX-0002E0-Kh; Tue, 02 Apr 2024 18:03:19 +0200 Received: from [178.197.248.12] (helo=linux.home) by sslproxy07.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rrgbW-0002En-1Y; Tue, 02 Apr 2024 18:03:18 +0200 Subject: Re: [PATCH bpf-next 2/5] riscv, bpf: Relax restrictions on Zbb instructions To: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Pu Lehui , bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Mykola Lysenko , Manu Bretelle , Pu Lehui References: <20240328124916.293173-1-pulehui@huaweicloud.com> <20240328124916.293173-3-pulehui@huaweicloud.com> <878r1vrga9.fsf@all.your.base.are.belong.to.us> From: Daniel Borkmann Message-ID: <5005fb56-086c-2aa7-e28b-83f0fc51f988@iogearbox.net> Date: Tue, 2 Apr 2024 18:03:17 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <878r1vrga9.fsf@all.your.base.are.belong.to.us> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.103.10/27233/Tue Apr 2 10:26:21 2024) On 4/2/24 4:27 PM, Björn Töpel wrote: > Pu Lehui writes: >> From: Pu Lehui >> >> This patch relaxes the restrictions on the Zbb instructions. The hardware >> is capable of recognizing the Zbb instructions independently, eliminating >> the need for reliance on kernel compile configurations. >> >> Signed-off-by: Pu Lehui > > Should this patch really be part of this series? No, that should be submitted independently. Also, given Eduard's comment, it would be great if you could add the instructions to tools/testing/selftests/bpf/README.rst even if not in a perfect shape, but it would give developers a chance to get started. Thanks, Daniel