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 A8CCCC7618B for ; Wed, 15 Mar 2023 15:16:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232115AbjCOPQP (ORCPT ); Wed, 15 Mar 2023 11:16:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232248AbjCOPQO (ORCPT ); Wed, 15 Mar 2023 11:16:14 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8ABD0194 for ; Wed, 15 Mar 2023 08:15:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1678893330; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=klsAdmpDB4z+ZchaS+AcWKxr35ntc4Y09NNAkUv1geU=; b=ivObFB3Pev2I4Roh4BHl+VcUSlrh5aryKE7ipsRwYHDXivxQnpmN7CAQDcPwwdTkIygYNg Ff6RYnaYgL7LaErcAps9IZNp6PiC427U3Jrfx2BdgkwNb9wyqSGLMmnd1A34+jTezC/ept cDx3SVqhskAcnjw35uv13lBLKuHOzJA= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-247-HXATkYe3NYWFqMWqQT-8VQ-1; Wed, 15 Mar 2023 11:15:26 -0400 X-MC-Unique: HXATkYe3NYWFqMWqQT-8VQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6D78488905A; Wed, 15 Mar 2023 15:15:26 +0000 (UTC) Received: from localhost (unknown [10.39.194.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id CFCEA2166B26; Wed, 15 Mar 2023 15:15:25 +0000 (UTC) Date: Wed, 15 Mar 2023 11:15:24 -0400 From: Stefan Hajnoczi To: Ming Lei Cc: Jens Axboe , io-uring@vger.kernel.org Subject: Re: Resizing io_uring SQ/CQ? Message-ID: <20230315151524.GA14895@fedora> References: <20230309134808.GA374376@fedora> <2f928d56-a2ff-39ef-f7ae-b6cc1da4fc42@kernel.dk> <20230310134400.GB464073@fedora> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="8urKSKf1qwMBvKHj" Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org --8urKSKf1qwMBvKHj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Ming and Jens, It would be great if you have time to clarify whether deadlocks can occur or not. If you have any questions about the scenario I was describing, please let me know. Thanks, Stefan --8urKSKf1qwMBvKHj Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmQR4QsACgkQnKSrs4Gr c8hjzwgAn+SZPIZn2y9FjP6ERKdX4s0YjhHbRilqhYEyv0tll174du5Dj2CQTp9W JZQhZ06SnBd/qrMMvLDOEaWsY+w82I4ocsuxP2aPjFnGzYOOehWBzz7437aaukFj z85x6hgQtU5AeyJBVk16LgIvDaTv75mWz2x1pqM9CDrt/soICx5hH5LAj6KUoUH5 mz/q7yf6hPTRQFSV9ffH/nBY2lwloDDjIP1XjXbt5mlGDlFgvBOig5KY02eAiYta VMEPijSgWYrW20t/fQvDpVGr2KMtPgMGD9Q1aKSZYCimYh3y03/Zf8a8cqlwiMMn v2KenhCTqYCSosdUO1B2CwJP6zDE7g== =010Q -----END PGP SIGNATURE----- --8urKSKf1qwMBvKHj--