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Thu, 26 Mar 2020 07:22:51 +0100 Subject: Re: [PATCH v9 3/4] linux-user: Support futex_time64 To: Alistair Francis , Alistair Francis References: From: Laurent Vivier Autocrypt: addr=laurent@vivier.eu; prefer-encrypt=mutual; keydata= mQINBFYFJhkBEAC2me7w2+RizYOKZM+vZCx69GTewOwqzHrrHSG07MUAxJ6AY29/+HYf6EY2 WoeuLWDmXE7A3oJoIsRecD6BXHTb0OYS20lS608anr3B0xn5g0BX7es9Mw+hV/pL+63EOCVm SUVTEQwbGQN62guOKnJJJfphbbv82glIC/Ei4Ky8BwZkUuXd7d5NFJKC9/GDrbWdj75cDNQx UZ9XXbXEKY9MHX83Uy7JFoiFDMOVHn55HnncflUncO0zDzY7CxFeQFwYRbsCXOUL9yBtqLer Ky8/yjBskIlNrp0uQSt9LMoMsdSjYLYhvk1StsNPg74+s4u0Q6z45+l8RAsgLw5OLtTa+ePM JyS7OIGNYxAX6eZk1+91a6tnqfyPcMbduxyBaYXn94HUG162BeuyBkbNoIDkB7pCByed1A7q q9/FbuTDwgVGVLYthYSfTtN0Y60OgNkWCMtFwKxRaXt1WFA5ceqinN/XkgA+vf2Ch72zBkJL RBIhfOPFv5f2Hkkj0MvsUXpOWaOjatiu0fpPo6Hw14UEpywke1zN4NKubApQOlNKZZC4hu6/ 8pv2t4HRi7s0K88jQYBRPObjrN5+owtI51xMaYzvPitHQ2053LmgsOdN9EKOqZeHAYG2SmRW LOxYWKX14YkZI5j/TXfKlTpwSMvXho+efN4kgFvFmP6WT+tPnwARAQABtCJMYXVyZW50IFZp dmllciA8bGF1cmVudEB2aXZpZXIuZXU+iQI4BBMBAgAiBQJWBTDeAhsDBgsJCAcDAgYVCAIJ CgsEFgIDAQIeAQIXgAAKCRDzDDi9Py++PCEdD/oD8LD5UWxhQrMQCsUgLlXCSM7sxGLkwmmF ozqSSljEGRhffxZvO35wMFcdX9Z0QOabVoFTKrT04YmvbjsErh/dP5zeM/4EhUByeOS7s6Yl HubMXVQTkak9Wa9Eq6irYC6L41QNzz/oTwNEqL1weV1+XC3TNnht9B76lIaELyrJvRfgsp9M rE+PzGPo5h7QHWdL/Cmu8yOtPLa8Y6l/ywEJ040IoiAUfzRoaJs2csMXf0eU6gVBhCJ4bs91 jtWTXhkzdl4tdV+NOwj3j0ukPy+RjqeL2Ej+bomnPTOW8nAZ32dapmu7Fj7VApuQO/BSIHyO NkowMMjB46yohEepJaJZkcgseaus0x960c4ua/SUm/Nm6vioRsxyUmWd2nG0m089pp8LPopq WfAk1l4GciiMepp1Cxn7cnn1kmG6fhzedXZ/8FzsKjvx/aVeZwoEmucA42uGJ3Vk9TiVdZes lqMITkHqDIpHjC79xzlWkXOsDbA2UY/P18AtgJEZQPXbcrRBtdSifCuXdDfHvI+3exIdTpvj BfbgZAar8x+lcsQBugvktlQWPfAXZu4Shobi3/mDYMEDOE92dnNRD2ChNXg2IuvAL4OW40wh gXlkHC1ZgToNGoYVvGcZFug1NI+vCeCFchX+L3bXyLMg3rAfWMFPAZLzn42plIDMsBs+x2yP +bkCDQRWBSYZARAAvFJBFuX9A6eayxUPFaEczlMbGXugs0mazbOYGlyaWsiyfyc3PStHLFPj rSTaeJpPCjBJErwpZUN4BbpkBpaJiMuVO6egrC8Xy8/cnJakHPR2JPEvmj7Gm/L9DphTcE15 92rxXLesWzGBbuYxKsj8LEnrrvLyi3kNW6B5LY3Id+ZmU8YTQ2zLuGV5tLiWKKxc6s3eMXNq wrJTCzdVd6ThXrmUfAHbcFXOycUyf9vD+s+WKpcZzCXwKgm7x1LKsJx3UhuzT8ier1L363RW ZaJBZ9CTPiu8R5NCSn9V+BnrP3wlFbtLqXp6imGhazT9nJF86b5BVKpF8Vl3F0/Y+UZ4gUwL d9cmDKBcmQU/JaRUSWvvolNu1IewZZu3rFSVgcpdaj7F/1aC0t5vLdx9KQRyEAKvEOtCmP4m 38kU/6r33t3JuTJnkigda4+Sfu5kYGsogeYG6dNyjX5wpK5GJIJikEhdkwcLM+BUOOTi+I9u tX03BGSZo7FW/J7S9y0l5a8nooDs2gBRGmUgYKqQJHCDQyYut+hmcr+BGpUn9/pp2FTWijrP inb/Pc96YDQLQA1q2AeAFv3Rx3XoBTGl0RCY4KZ02c0kX/dm3eKfMX40XMegzlXCrqtzUk+N 8LeipEsnOoAQcEONAWWo1HcgUIgCjhJhBEF0AcELOQzitbJGG5UAEQEAAYkCHwQYAQIACQUC VgUmGQIbDAAKCRDzDDi9Py++PCD3D/9VCtydWDdOyMTJvEMRQGbx0GacqpydMEWbE3kUW0ha US5jz5gyJZHKR3wuf1En/3z+CEAEfP1M3xNGjZvpaKZXrgWaVWfXtGLoWAVTfE231NMQKGoB w2Dzx5ivIqxikXB6AanBSVpRpoaHWb06tPNxDL6SVV9lZpUn03DSR6gZEZvyPheNWkvz7bE6 FcqszV/PNvwm0C5Ju7NlJA8PBAQjkIorGnvN/vonbVh5GsRbhYPOc/JVwNNr63P76rZL8Gk/ hb3xtcIEi5CCzab45+URG/lzc6OV2nTj9Lg0SNcRhFZ2ILE3txrmI+aXmAu26+EkxLLfqCVT ohb2SffQha5KgGlOSBXustQSGH0yzzZVZb+HZPEvx6d/HjQ+t9sO1bCpEgPdZjyMuuMp9N1H ctbwGdQM2Qb5zgXO+8ZSzwC+6rHHIdtcB8PH2j+Nd88dVGYlWFKZ36ELeZxD7iJflsE8E8yg OpKgu3nD0ahBDqANU/ZmNNarBJEwvM2vfusmNnWm3QMIwxNuJghRyuFfx694Im1js0ZY3LEU JGSHFG4ZynA+ZFUPA6Xf0wHeJOxGKCGIyeKORsteIqgnkINW9fnKJw2pgk8qHkwVc3Vu+wGS ZiJK0xFusPQehjWTHn9WjMG1zvQ5TQQHxau/2FkP45+nRPco6vVFQe8JmgtRF8WFJA== Message-ID: <9d1ce19f-86ba-3247-c3fc-0ba8d0bc7760@vivier.eu> Date: Thu, 26 Mar 2020 07:22:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: fr Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:adBpIiLGRW6NGSzBYEeIj7Rmc5uEMauKCsOpPajuxXHVUuUfXvb r4/YpFbM1sSK61NssSL/djAYoznbQV/TJR1O9wS/1BUd6q2XfQM82LcfYWz1RCvcHDV9Vsf noubRnxklUi+yTQ9eg4vrYebVIvPEv9tLX66gKmq23akmOQKR1quGmg+VKEslBVdemjrouT FaEaDHTrN4QTHaVlHaX1w== X-UI-Out-Filterresults: notjunk:1;V03:K0:fqopX+e9Dww=:37GjQL9u+XLN7eUiPxkdOG 7ZfQ/cUmoUXf37KisO/wuIqe9Z5JSsq8B462G5SWlueXOAGmgcnKgT97PcGm8F9Zp9nMzNiwR Dgi5xzO1p5p7rzbgR4vx0Aqdt1ea+VOyV8O+98XMF3TM9mYYQ+Ys1KttXoUNmR49U+yEp/cIr mVAyGfEsOzzJV7NXrZjwaf7W/QRUp3h+yJj1CLxyuHiJEfLfgbXryOffrfhjUGmj1QNA8PSTt m1CV+TDsgI1jvb0tseD0L/pq/bzig1crqoMR51K+soFRs/gWvCChXiKsY30qSmKB4U4kSXent iM1RabEzl3o4wksfcqIvKgNQE4dBOfsar2OeaTXHM1NJW6rvQsfbqodYo9rcvwaUmZeTfpq9X Rcw0RCjBvfM2VkFPFGHAQuYL8YnVNzjFAUFjYRisp3CCxbj2jrlvA0kv2tFGpzsuQSq9YImA0 I8g4oR6RkHCyY3W6eNwzf44pITPSLoJiAJoQUnzyxFhnORiqBOhHnizeBSix4HvuLBu93DMJs KdwyVZHjDSeA9WN1G2WJE3PdmowvIwuhNh6kjqCnS1MvNqSBo0IwfeZdciTypj15aJoa5sFcS PohHKXpfVMaWUYhRAImIuZDwUKR5viE7uvim3DKVKDeZlf/u3P/GBbkBviS1ffCQxZ7NHs34G m3RZGU3WC7RwN38vWJF4wO+PGgCYAWj+wOwloDjKN3GkeB0AXmZes878vpJxSW+UiosDdn22B mKB7rNV0qahyVL43+XrAJo5X/FOUSfvYqD9d1Z3WdJyEuh4aXUgbq5fiFoXWn93BOde7scEJr Yu7SuMo+Xe0RUA3KxV2OicRKbD9cOcK4VV8OXVItC2ddTFb1aV8n0VbvBHbyuzWlV5FnVAN X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 217.72.192.74 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Palmer Dabbelt , "open list:RISC-V" , "qemu-devel@nongnu.org Developers" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Le 25/03/2020 à 18:41, Alistair Francis a écrit : > On Wed, Mar 18, 2020 at 3:54 PM Alistair Francis > wrote: >> >> Add support for host and target futex_time64. If futex_time64 exists on >> the host we try that first before falling back to the standard futux >> syscall. >> >> Signed-off-by: Alistair Francis > > @Laurent did you see this? > > I guess it's a little late for 5.0 but it would be nice to support. Yes, I've seen your patch. I think it can go into 5.0 RC because it's a bug fix and it is really needed because the 32bit futex will be broken if host timespec uses 64bit field. But I need to review and test before. Thanks, Laurent