From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 17A26134A8 for ; Thu, 7 Sep 2023 16:19:39 +0000 (UTC) Received: from pandora.armlinux.org.uk (unknown [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCA9383D5; Thu, 7 Sep 2023 09:19:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=YnJ5JC5iajchb3U20EbsFBAArwtwZ+ilg9vdtAjBlVw=; b=ZaV1IhBaYd9RETJxMh96lJGQl+ wcIzXgTjKgLF2vHlQ6V3tE1+2hxq/PrtevrN+AChji9tvH/CXSD6IhZJabbluRW6IwDBeZ9cPVc2n jk/T8D4GfJYS935QaAGHGjVz4glBIjwRYqnWMFLp5SmAtf33Z65B5C2DEMUEfIdoD4NNuz7+fWOcV gm4yoOKeypl1iNcCPxV8WWi4MjVZ4BNOn21ct298oaZ/Ter6jt10FG4B4CO0nXJX+g1JqSZiT2H47 cVmpHURYmJJO+tjUQgUVcP4JsvHEAK49upbidM7x7CPo7Tjsc+TAv7VnLiCmJHstvWex2UdWKNV3Y sNswkm5g==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:52526) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qeAXw-0001cz-23; Thu, 07 Sep 2023 09:39:28 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1qeAXw-0005gq-5b; Thu, 07 Sep 2023 09:39:28 +0100 Date: Thu, 7 Sep 2023 09:39:28 +0100 From: "Russell King (Oracle)" To: Puranjay Mohan Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shubham Bansal , Mykola Lysenko , Shuah Khan , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH bpf-next v2 1/8] arm32, bpf: add support for 32-bit offset jmp instruction Message-ID: References: <20230906183320.1959008-1-puranjay12@gmail.com> <20230906183320.1959008-2-puranjay12@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230906183320.1959008-2-puranjay12@gmail.com> Sender: Russell King (Oracle) X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RDNS_NONE, SPF_HELO_NONE,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Wed, Sep 06, 2023 at 06:33:13PM +0000, Puranjay Mohan wrote: > The cpuv4 adds unconditional jump with 32-bit offset where the immediate > field of the instruction is to be used to calculate the jump offset. > > BPF_JA | BPF_K | BPF_JMP32 => gotol +imm => PC += imm. > > Signed-off-by: Puranjay Mohan Reviewed-by: Russell King (Oracle) Thanks! -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!