From patchwork Fri Jul 21 15:24:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helge Deller X-Patchwork-Id: 13322146 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 5FC99EB64DC for ; Fri, 21 Jul 2023 15:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230257AbjGUPYr (ORCPT ); Fri, 21 Jul 2023 11:24:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230001AbjGUPYm (ORCPT ); Fri, 21 Jul 2023 11:24:42 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62B3030E8; Fri, 21 Jul 2023 08:24:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1689953073; x=1690557873; i=deller@gmx.de; bh=Bma+M1sMIhrZ2XEr1uAufjvTaxAHToWtl3NVzIYXa14=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=oVhFyvUfT3uKdLtDPb/xewr3NQYeXfeepkV2ODHtc7LQBg3kiO72Gdeyn99D3xtttxlsEIn RXR9KDeJxhb8ZXFCmy1qzikGuXHX51Vsm3GuPm1VRQqvExCIINF+x/Z6NYlPNvGZsWtc5V+nR Yz6voEMzMOiO7pvSpvir9Y39QfTc/aV2yNr6cqPO2goGtXDIMM18kWnnJ1NSmzupb/vMJlfad jtq1lGHuyjKTbH5TJw2/Mh819aBoYvI11P6+zd6kfVEU7/Dy7KaZk85rRYuqBVVNqpyn8s2Q2 5p9cwwlTBGzSVRq0dVNdBOvlcoTJX4SDtmIJXH0hhJHqfpjcWsrg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from p100.fritz.box ([94.134.144.189]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MWRRT-1qOqs61Bkp-00Xv0v; Fri, 21 Jul 2023 17:24:33 +0200 From: Helge Deller To: linux-kernel@vger.kernel.org, io-uring@vger.kernel.org, Jens Axboe , linux-ia64@vger.kernel.org, Jiri Slaby , linux-parisc@vger.kernel.org Cc: Helge Deller Subject: [PATCH 0/2] io_uring: Fix io_uring mmap() by using architecture-provided get_unmapped_area() Date: Fri, 21 Jul 2023 17:24:30 +0200 Message-ID: <20230721152432.196382-1-deller@gmx.de> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:NttXxibtAeucS18W4DNkMGqpnfrGeyUL6TqcRVGZWPnjHRif9sk lGDv5x+6kVU7tYASYgAtzlvgJ6nImaILqna9eaG0bOF7FgDzT36hhyVYHxsNShvlN2inWtz IKSewL2y57kFjTtGLBjQP33KsfvhlBnjb5bBR14V3UXFholJ5CbnL5UIGXolsxZrIrzEara AdwdLnnPzt1d9FHERWuSg== UI-OutboundReport: notjunk:1;M01:P0:NBgUUTAtUHg=;qYdow01HRHzQATzICMLdnVy7+Ig qOdbUudPJO+YOv9vl3aYmBelg7/QA+dtblyEFdZhOhhvr4TFTibPba26oLj+1xAv2NqUpvBZq cwbFhEkVBQ3u/xrzuURxOHmxvvosd8X1tvMFUq4TAjvsiMWcfR62HT9k7PDxq0yq4m64ruwfW DtYWBfg7euON5vfRG17HwjN7MyE/jbA3u/LGHnsaoxNhwI+14l6Maz2JLn+Xcch4+bcDySZOT XkcUA6Ua8rQ5rOhGR5ZZ4nM+P+T1BZKOEO+5LYt0wfhF/MaJrsJJ/GRzCeF5m3y3MJ1fO4Cuj 9LG+9bQSKEU9NUDZ+dDeHIb5lIjpZFD1aeFYmeosmMoDDVltBCIkMQqHHccxI89zgbb1xYRwT VRbv8frPM8FhWCYu3B9aPzOB3yM6YDIrZ+r1TEbi4ZMkqtS2BuBDO/uKP9gWXv7gA2p+YqTAj Vmx+pZU0S0RbzD5dV92QYb6u4nJyPWetwbrcJXQVvk/DASHUxk3J5Ns35JiVMvnWuPE1J191v RPB+OrPq1Z8g6xgvA8fqVOizbql458Ts6cm2S+Jn27r/k+N4pGaSi6ADFC3G/0IRUoeBU0Gi7 4i2Z9loaPFuEUGnqwef7Vz8mCX2RJ5/c1sNDKnkyYWs8teZpxHHqwyqs3EjvfYVpgNuf5HdU3 n6vJ2q7weUL+FZWrnT+Ke4VNJJqNwqC7GPdCU6bLTWORAy9oiVS/VcZtupcAST8cz2iKUiYDs jZtDjHw9bUvJZqub90jb0u8IfLWza0/li2a23oZjLNWB3KfYzbHCnzdcJ1bZrO8SKnhCWdqrL S6y3+5+VTxXqGJoyK0SP1VandvDBkPJGJ1dMCxupQRXlN5AdFCXa8Diw5y4+liFZC+HMUKGGD VIK/78Tqup0rPy8Ed5SmN8HdbKG6INPxmqSqZo/Dud+BcRD3kZDuD6KF7flwJVQBMrf/HGs4y B35vWfi53ORsP8aXqBjMa6wmvYU= Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org Fix io_uring on IA64 (and x86-32?) which was broken since commit d808459b2e31 ("io_uring: Adjust mapping wrt architecture aliasing requirements"). The fix is to switch back to the get_unmapped_area() which is provided by each architecture. Patch 1 switches io_uring back to use per-arch get_unmapped_area(). Patch 2 (for IA64) is an independend cleanup. Helge Helge Deller (2): io_uring: Fix io_uring mmap() by using architecture-provided get_unmapped_area() ia64: mmap: Consider pgoff when searching for free mapping arch/ia64/kernel/sys_ia64.c | 2 +- arch/parisc/kernel/sys_parisc.c | 15 ++++++++---- io_uring/io_uring.c | 42 +++++++++++++-------------------- 3 files changed, 28 insertions(+), 31 deletions(-) --- 2.41.0