From owner-svn-src-head@freebsd.org Thu Nov 7 21:19:11 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D22DC179B39 for ; Thu, 7 Nov 2019 21:19:11 +0000 (UTC) (envelope-from 0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com) Received: from a8-56.smtp-out.amazonses.com (a8-56.smtp-out.amazonses.com [54.240.8.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 478GVk4m4Cz4Mf3 for ; Thu, 7 Nov 2019 21:19:10 +0000 (UTC) (envelope-from 0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=vnqrkfnvu6csdl6mwgk5t6ix3nnepx57; d=tarsnap.com; t=1573161549; h=Subject:To:References:From:Message-ID:Date:MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=CK+Cxk2dV2kwTecnNi+A6MqhrEQ4gG9hYoSNb54O5WQ=; b=fDlodij8iQPDvXZRz8hq4PPyOcpr9vjztu6Bxhs5/GSYPwA7FLpRtJXbS/LUtNAK 7I94x+40JAiT8TjqeWn5Z8fb1v2jgGL7/MTEkj/0Muy/ei3SU2Hkc6vFtjTAq6LC+ZZ 1xTRFPIEyM+ZIXpTN9UG0UF4nTnBNQ1riG02zvPk= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw; d=amazonses.com; t=1573161549; h=Subject:To:References:From:Message-ID:Date:MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding:Feedback-ID; bh=CK+Cxk2dV2kwTecnNi+A6MqhrEQ4gG9hYoSNb54O5WQ=; b=FCumVboWdscUw2U/M0MnaqlaekR5qz6YC0peuQLBXQ9DkEWibuSDtZj4/oMI+f+i kYxgVdPVn+XcdRWDQE71ar03iw++buthGGSd63NbxN2hmAXbJ64K9plPQ55iUx9HFMA m4268pDjpSMCXVvH81K7dPKWmaQx5kZvD6xZ+VKo= Subject: Re: svn commit: r354482 - head/sys/x86/x86 To: Andriy Gapon , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201911072114.xA7LExVP090362@repo.freebsd.org> From: Colin Percival Autocrypt: addr=cperciva@tarsnap.com; prefer-encrypt=mutual; keydata= mQGhBElrAAcRBACDfDys4ZtK+ErCJ1HAzYeteKpm3OEsvT/49AjUTLihkF79HhIKrCQU+1KC zv7BwHCMLb6hq30As9L7iFKG7n5QFLFC4Te/VcITUnWHMG/c3ViLOfJGvi+9/nOEHaM1dVJY D6tEp5yM1nHmVQpo9932j4KGuGFR0LhOK5IHXOSfGwCgxSFDPdgxe2OEjWxjGgY+oV3EafcD +JROXCTjlcQiG/OguQH4Vks3mhHfFnEppLxTkDuYgHZQiUtpcT9ssH5khgqoTyMar05OUdAj ZIhNbWDh4LgTj+7ZmvLhXT5Zxw8LX9d7T36aTB8XDQSenDqEtinMWOb0TCBBLbsB8EFG1WTT ESbZci9jJS5yhtktuZoY/eM8uXMD/3k4FWFO80VRRkELSp+XSy/VlSQjyi/rhl2nQq/oOA9F oJbDaB0yq9VNhxP+uFBzBWSqeIX0t1ZWLtNfVFr4TRP5hihI5ICrg/0OpqgisKsU2NFe9xyO hyJLYmfD8ebpDJ/9k30C7Iju9pVrwLm1QgS4S2fqJRcR+U4WbjvP7CgStCVDb2xpbiBQZXJj aXZhbCA8Y3BlcmNpdmFAdGFyc25hcC5jb20+iGEEExECACEFAklrALYCGwMHCwkIBwMCAQQV AggDBBYCAwECHgECF4AACgkQOM7KaQxqam6/igCgn+z2k3V5ggNppmWrZstt1U2lugsAoL7L wS9V9yLtil3oWmHtwpUqYruEuQINBElrAAcQCAD3ZLMIsP4CIDoJORg+YY0lqLVBgcnF7pFb 4Uy2+KvdWofN+DKH61rZLjgXXkNE9M4EQC1B4lGttBP8IY2gs41y3AUogGdyFbidq99rCBz7 LTsgARHwFxZoaHmXyiZLEU1QZuMqwPZV1mCviRhN5E3rRqYNXVcrnXAAuhBpvNyj/ntHvcDN 2/m+ochiuBYueU4kX3lHya7sOj+mTsndcWmQ9soOUyr8O0r/BG088bMn4qqtUw4dl5/pglXk jbl7uOOPinKf0WVd2r6M0wLPJCD4NPHrCWRLLLAjwfjrtoSRvXxDbXhCdgGBa72+K8eYLzVs hgq7tJOoBWzjVK6XRxR7AAMGB/9Mo3iJ2DxqDecd02KCB5BsFDICbJGhPltU7FwrtbC7djSb XUrwsEVLHi4st4cbdGNCWCrp0BRezXZKohKnNAPFOTK++ZfgeKxrV2sJod+Q9RILF86tQ4XF 7A7Yme5hy92t/WgiU4vc/fWbgP8gV/19f8nunaT2E9NSa70mZFjZNu4iuwThoUUO5CV3Wo0Y UISsnRK8XD1+LR3A2qVyLiFRwh/miC1hgLFCTGCQ3GLxZeZzIpYSlGdQJ0L5lixW5ZQD9r1I 8i/8zhE6qRFAM0upUMI3Gt1Oq2w03DiXrZU0Fu/R8Rm8rlnkQKA+95mRTUq1xL5P5NZIi4gJ Z569OPMFiEkEGBECAAkFAklrAAcCGwwACgkQOM7KaQxqam41igCfbaldnFTu5uAdrnrghESv EI3CAo8AoLkNMks1pThl2BJNRm4CtTK9xZeH Message-ID: <0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@email.amazonses.com> Date: Thu, 7 Nov 2019 21:19:09 +0000 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <201911072114.xA7LExVP090362@repo.freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SES-Outgoing: 2019.11.07-54.240.8.56 Feedback-ID: 1.us-east-1.Lv9FVjaNvvR5llaqfLoOVbo2VxOELl7cjN0AOyXnPlk=:AmazonSES X-Rspamd-Queue-Id: 478GVk4m4Cz4Mf3 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=tarsnap.com header.s=vnqrkfnvu6csdl6mwgk5t6ix3nnepx57 header.b=fDlodij8; dkim=pass header.d=amazonses.com header.s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw header.b=FCumVboW; dmarc=none; spf=pass (mx1.freebsd.org: domain of 0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com designates 54.240.8.56 as permitted sender) smtp.mailfrom=0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com X-Spamd-Result: default: False [-1.68 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[tarsnap.com:s=vnqrkfnvu6csdl6mwgk5t6ix3nnepx57,amazonses.com:s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:54.240.0.0/18]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[tarsnap.com]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[tarsnap.com:+,amazonses.com:+]; RCVD_IN_DNSWL_NONE(0.00)[56.8.240.54.list.dnswl.org : 127.0.15.0]; FORGED_SENDER(0.30)[cperciva@tarsnap.com,0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com]; RCVD_COUNT_ZERO(0.00)[0]; MIME_TRACE(0.00)[0:+]; IP_SCORE(-1.98)[ip: (-1.92), ipnet: 54.240.8.0/21(-4.61), asn: 14618(-3.30), country: US(-0.05)]; ASN(0.00)[asn:14618, ipnet:54.240.8.0/21, country:US]; FORGED_MUA_THUNDERBIRD_MSGID_UNKNOWN(2.50)[]; FROM_NEQ_ENVFROM(0.00)[cperciva@tarsnap.com, 0100016e47bc3d83-8486b1e5-d734-49da-9995-ad5cfc8540d2-000000@amazonses.com] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Nov 2019 21:19:11 -0000 On 2019-11-07 13:14, Andriy Gapon wrote: > x86 stack_save_td_running() can work safely only if IPI_TRACE is a > non-maskable interrupt. But at the moment FreeBSD/Xen does not provide > support for the NMI delivery mode. So, mark the functionality as > unsupported similarly to other platforms without NMI. > [...] > +#ifdef XENHVM I'm not sure this does what you intended. XENHVM simply adds *support* for running under Xen/HVM, and it's part of the GENERIC kernel. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid