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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB8FEC433F5 for ; Fri, 25 Mar 2022 13:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359209AbiCYNDY (ORCPT ); Fri, 25 Mar 2022 09:03:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359206AbiCYNDX (ORCPT ); Fri, 25 Mar 2022 09:03:23 -0400 Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36A306EC4B for ; Fri, 25 Mar 2022 06:01:49 -0700 (PDT) Received: by mail-ej1-x62c.google.com with SMTP id r13so15215433ejd.5 for ; Fri, 25 Mar 2022 06:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=I4SgMl30HyjiI0/lHmPkoLFiL8gTUJUGmq7qmhrAQKA=; b=LHfq9j7+WFLaALawdqM5Pktd4M9KzaUk2Bz28nHemb3u636gV30mdNWzAsVmxPViO3 rR0/tRdmnARrCW21GGX3bzKfDkeRPWF++0Cag7vdwKUp8hvnBa/82jmLEtSyaZk71aEA ill/A17lznf6smPKwBrvshcv3B7UGtYCd2jk1bd5svXtOorLCU9iXn+M7rR3rjgMo3f2 R0AzXdH00OS8NgAZDPJHd3y8GWI9J3QLmEYnJ3HyfaUYdlBLklroJ5e4WUtfR06VN8pA VO6Tg6nq2il3TV4fOr+9mrVpDZObR5at2UJnrWvH9PunhKiLjZlhxUDJqJnbGUCv22D6 UZpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=I4SgMl30HyjiI0/lHmPkoLFiL8gTUJUGmq7qmhrAQKA=; b=3Np045+4hXMHekvVzHutezYcyvod8yDG7GntpLMOJxojeOnn8uc0Us9SB8Om/lSMWg Ac286gSDbIYK4WBaqaIp9qAhjRAWVGmkJFSWyRwx96Ahe+TP7EFaFVOwf9bPTcSjwYrP YIBvL1qum5qdfDm4dTUz967uwFk5tK++1sj+h/QzCxeg+ofA9aH3pZxUq2dB9hK0gwJl mLkgMcJPmPn4m8jpGH1yVqabcjyopPuo+lea3cExqqlO4Ipypq3SuQy3mMuDe/TNYiK6 23j1QjVycBTsXnHV4u/FWPwHR58FkjTo7KfG0d/38N2wvUxlVm9OpQ2uACnuYoZa2koK 6Fig== X-Gm-Message-State: AOAM5334NQRhV4N1gpGw6ZbLm5yRJHWGA2hT0VXlOEVFiQ66A91ql+hu xMH8quIdDoW8q73BL8B3MahySmKO56fZPA== X-Google-Smtp-Source: ABdhPJx+GkUJk2jHo5BSyfLIuFh2W3VvHGwojNb1SDS2b+/uHENJtz377PmwCQJSaHQCChDmClQJAA== X-Received: by 2002:a17:907:7214:b0:6dd:e8fe:3e9 with SMTP id dr20-20020a170907721400b006dde8fe03e9mr11565805ejc.51.1648213307133; Fri, 25 Mar 2022 06:01:47 -0700 (PDT) Received: from 127.0.0.1localhost ([78.179.227.119]) by smtp.gmail.com with ESMTPSA id ky5-20020a170907778500b006d1b2dd8d4csm2326222ejc.99.2022.03.25.06.01.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 06:01:46 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 5.18 0/2] selected buffers recycling fixes Date: Fri, 25 Mar 2022 13:00:41 +0000 Message-Id: X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Fix two locking problems with new buffer recycling. Jens, could you help to test it properly and with lockdep enabled? Pavel Begunkov (2): io_uring: fix invalid flags for io_put_kbuf() io_uring: fix put_kbuf without proper locking fs/io_uring.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) -- 2.35.1