From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 976E6C04FE0 for ; Wed, 9 Aug 2023 14:40:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Date: Message-Id:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vBDB32+A7ESMt6GYMqOxZKfwKRnyVeaxtMfkeEfchQE=; b=H97JF5LLISy1ex C2X+pEvkCb+jjE2ek33hKwLTg+mh18w6jyhyARUKulsEm9OxVb8LVvxEAt1usB39QrEkW5XPYE2xm M0yhxsm2hgD8mYOC37XtJb6uwLe+rlw8Qn/G8dDQLdPJekk3t8keADmu5HkxYVXMRV01QMG1ssJ9L WM8QoCbgrdQHcYAKU/SCmbb9Gt2ZC4JGc4nvXfp993K52XQSVTz9mXh4YYnLBRW+fTxFDaiNIg5yU oEkvliKWbzhdI6YX5fs0bkPTM7SOJ8O7Rvf8l97Bv5QVOJnefccGI5qhmZ9TDDoDE7VldIoO2vye3 njk2YwgyP31NIuQC06gg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qTkMO-005CIX-3A; Wed, 09 Aug 2023 14:40:28 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qTkMI-005CEe-0u for linux-riscv@lists.infradead.org; Wed, 09 Aug 2023 14:40:25 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CCFE563C5B; Wed, 9 Aug 2023 14:40:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3C576C433CB; Wed, 9 Aug 2023 14:40:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691592021; bh=N5b3QpnRXEbEvS3LF0AebqdApk09psCS7jK2pqPZUTI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=VNIN3s5jdfPZOzxslfRuIIRYew7DOlrDSHRUHrCkbbB5BnviEk3InN9NqyVqsWwv3 JBInBc4E/ZwYjK3v0PrPV4xDMEnfL8Pl8XmPbFi7+nkDsxdnay5A5LeTy5vtQoy789 WNVWcE6J9JQr9GpQTSY0kIXoV5rAprjlRB9ZG50ASqC9KkvZMHv0SMbjwDJbrZ5Kis n28ZW9B/O0gQnb+TMgkApC97Qg4/m+ELbu7+hpfsVZAM1axcwEk28z1AhCzABOcj3U Cnw/BSPHHQL7rVtO//vOocq7iDgvt+qvSwn6NcJPhRhYl38Mvg27wWD1LMSoV/Cq5Y GGqhoF8+1KPWg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 1A546C64459; Wed, 9 Aug 2023 14:40:21 +0000 (UTC) MIME-Version: 1.0 Subject: Re: [PATCH v2] riscv,mmio: Fix readX()-to-delay() ordering From: patchwork-bot+linux-riscv@kernel.org Message-Id: <169159202110.17533.11320910350713867941.git-patchwork-notify@kernel.org> Date: Wed, 09 Aug 2023 14:40:21 +0000 References: <20230803042738.5937-1-parri.andrea@gmail.com> In-Reply-To: <20230803042738.5937-1-parri.andrea@gmail.com> To: Andrea Parri Cc: linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230809_074022_390509_EB81B459 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt : On Thu, 3 Aug 2023 06:27:38 +0200 you wrote: > Section 2.1 of the Platform Specification [1] states: > > Unless otherwise specified by a given I/O device, I/O devices are on > ordering channel 0 (i.e., they are point-to-point strongly ordered). > > which is not sufficient to guarantee that a readX() by a hart completes > before a subsequent delay() on the same hart (cf. memory-barriers.txt, > "Kernel I/O barrier effects"). > > [...] Here is the summary with links: - [v2] riscv,mmio: Fix readX()-to-delay() ordering https://git.kernel.org/riscv/c/4eb2eb1b4c0e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv