Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vHWQt-00ADBl-JV for pgsql-hackers@arkaria.postgresql.org; Sat, 08 Nov 2025 00:03:55 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1vHWQs-00HNfX-BB for pgsql-hackers@arkaria.postgresql.org; Sat, 08 Nov 2025 00:03:54 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vHWQs-00HNfN-22 for pgsql-hackers@lists.postgresql.org; Sat, 08 Nov 2025 00:03:54 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vHWQq-005z3H-16 for pgsql-hackers@postgresql.org; Sat, 08 Nov 2025 00:03:53 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 5A803kow1338408; Fri, 7 Nov 2025 19:03:46 -0500 From: Tom Lane To: Thomas Munro cc: Alexander Lakhin , Andres Freund , pgsql-hackers , greg@burd.me Subject: Re: IO in wrong state on riscv64 In-reply-to: References: <60bbebf4-0a80-4e5f-83c0-311c85f6bd5c@gmail.com> <927941c8-e5a1-4787-bbd9-88f0d92b55d0@gmail.com> Comments: In-reply-to Thomas Munro message dated "Sat, 08 Nov 2025 12:47:56 +1300" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1338406.1762560226.1@sss.pgh.pa.us> Date: Fri, 07 Nov 2025 19:03:46 -0500 Message-ID: <1338407.1762560226@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Thomas Munro writes: > Alexander did some extensive testing and we stared at the codegen on a > lot of architectures to confirm that this prevents the reordering. > Pushed and back-patched like that. You're a brave man to be pushing this into the last-ever release of v13 with all of 12 hours remaining till code freeze. I don't mind so much for the newer branches, but I'm feeling nervous about the risk/reward ratio for v13. regards, tom lane