[0/3] x86/vPMU: adjustements to vendor hooks treatment

Message ID	a0212d75-fc55-89c8-7ae2-c893c187ad82@suse.com (mailing list archive)
Headers	show Return-Path: <xen-devel-bounces@lists.xenproject.org> Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> Message-ID: <a0212d75-fc55-89c8-7ae2-c893c187ad82@suse.com> Date: Mon, 29 Nov 2021 10:08:37 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Content-Language: en-US To: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org> Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>, =?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>, Kevin Tian <kevin.tian@intel.com>, Jun Nakajima <jun.nakajima@intel.com> From: Jan Beulich <jbeulich@suse.com> Subject: [PATCH 0/3] x86/vPMU: adjustements to vendor hooks treatment Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit MIME-Version: 1.0
Series	x86/vPMU: adjustements to vendor hooks treatment \| expand [0/3] x86/vPMU: adjustements to vendor hooks treatment [1/3] x86/vPMU: convert vendor hook invocations to altcall [2/3] x86/vPMU: invoke <vendor>_vpmu_initialise() through a hook as well [3/3] x86/vPMU: move vpmu_ops to .init.data [4/3] x86/vPMU: Drop supported parameter from the wrmsr path [5/3] x86/vPMU: Harden indirect branches

Message ID

a0212d75-fc55-89c8-7ae2-c893c187ad82@suse.com (mailing list archive)

Headers

Errors-To: xen-devel-bounces@lists.xenproject.org
Precedence: list
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
Message-ID: <a0212d75-fc55-89c8-7ae2-c893c187ad82@suse.com>
Date: Mon, 29 Nov 2021 10:08:37 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
 Thunderbird/91.3.2
Content-Language: en-US
To: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>,
	=?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>,
 Kevin Tian <kevin.tian@intel.com>, Jun Nakajima <jun.nakajima@intel.com>
From: Jan Beulich <jbeulich@suse.com>
Subject: [PATCH 0/3] x86/vPMU: adjustements to vendor hooks treatment
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?giGkrkYjkyhdaQxpY5Y2P37p+12G?=
	=?utf-8?q?ucruDBv25vvyRMBCxGKRQmQsAicFEOHNGgcwTGbUiiV48f+ClziAg5sWRYLkATV/3?=
	=?utf-8?q?1b9GZOOX2DdX50YsK8ywCObhk72DFK8pdh8JaTG1JFVspecxCS9Bf/qAlm3RqxXVw?=
	=?utf-8?q?ytTLBS30pUUbJlfy7FCSAn2rUpIZyx/yxcVX8OhCGZ28bimjMxrQcBkmzDDOGuUF/?=
	=?utf-8?q?48vKo1H04oUSqk2hrIBJyFvAd4bLF89mKLdbO0Ajz5UjKeDkXWTnQadXXhA+8NEBE?=
	=?utf-8?q?9K8QPg2frsMJFbNsWa98arM4mtpLlmv7JuvB7f6zLixXkqjA+B7eIyQ1cGkls7i6w?=
	=?utf-8?q?g5tf4y1gtxK+HLN69p7VyTel1pTW/fyZsPKI1fhATBb865tZrgU7JnTwknCEfmzGq?=
	=?utf-8?q?FazVn7bUO3J5mX7hx4V0VO9H9WYISA31G6lFLznTWl/2TlXhWeay+6WaN1bxVV6ZB?=
	=?utf-8?q?rj/6jKyZRHoJMgxFEM/hT1E7n1nJu0dtj5sADXayECB1orJQ/voslJuLK9qcmRTqL?=
	=?utf-8?q?N+ZQ5Jza2dEI5opFvEIIe8pBO9dkzPZbISgkXqUw5IBaOIBkj6/iY6C/2M9qiOO8N?=
	=?utf-8?q?Ob4P3Fwo8Tzkxg4B5Jub4O3qL5Xnkp72d5jRsX+umzJFqm93hDXJLoAgWPrxZaMuz?=
	=?utf-8?q?fznv/gl4EpD69p+JovEgqDjT16P6f4oy/OyQfXATzntFdclgm/0VK8C7iFNe/UaSV?=
	=?utf-8?q?qltIfXgBdCFtN8EWjflXi8nklAoVowbFEmCQuvjxJFIg3+KQeqGPvEnBKQ4MBmNrO?=
	=?utf-8?q?Q/MuLjSKC1S6n4S8kUfM8/7VKqKc1ovdscmspD/dRtCWxtACaPX2B6KDm7xbdBbwG?=
	=?utf-8?q?CJzAP60PFlOnxXrz4pUzY9MbKCDoJ5oAapL5uG1gtmAtvAmorZkoG2lOjSRyFUNYF?=
	=?utf-8?q?D3PTZo3vyKnt4QdBTL/+fiEtqSUf3uxFT7Xo+yPciVOiup2H2pOahclqhcI3OKdZb?=
	=?utf-8?q?6DTT7a9/8EUSoYpTTBq6fay8zJZagwLtWhesZrGHteqY2JwNK9Vu6OiPqyopI4JC2?=
	=?utf-8?q?WNPLDxweHeVP+kduwI8+mQo7bfbA38ARydLTcSCtflqRTfs0EdC8Ez2oi3BRfr9oL?=
	=?utf-8?q?DckUWRS2Rn2J0rvYb9bXEFFEf7ri9G+NOrUC7UbUDLYA6GX0BUYWQjA5tDEZRb2R/?=
	=?utf-8?q?R+5UMcXsjVJaV2ob9a2Jo3+0OPepQqXStBo4AlVkb0IevF+lpxy+tmcXTL8pMxraA?=
	=?utf-8?q?isMKIPFudZMgu7Az6wYTqBn3RuAOkVKscAOL35KsbNrJ0QRUBnbj7zWQvlhrwAhXj?=
	=?utf-8?q?TMnAh/wlmCySZSOwO2pE/2GjczhS6fgAYN4h+lWTuiYphgsek4s1hN67zyhwckOLy?=
	=?utf-8?q?9J9utASjKhjgSNh173CeXw8/GqTGxkBEsFEAPklV3hAxp7kZOyh0vYkQK9mJFW47d?=
	=?utf-8?q?85qKyagUePlh8o4ueWL/Sc5kRJkcjiHR1BXffTccAN0edHmNZIHayj8vxUn6qXNSY?=
	=?utf-8?q?zDQlPhkMqvUAxUv9f2/3QVHjXOxNGXpd71QPaT+Onxsq80q9KYOq1hazGfj0B65iu?=
	=?utf-8?q?fHDDl6szPjGnc++BUUGXUI28Gnp9rGTrhIBUIL8+OUVyUv5uCkDBoe0=3D?=
X-OriginatorOrg: suse.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 
 304351b8-3ee1-4a25-fd1c-08d9b317d33b
X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5600.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Nov 2021 09:08:36.0808
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: 
 KbvomHsN2CbkYAyBUJxPXZVISIn3guuGPOOKF1I7hquLERdRDOGNa7yIazv+PtDAYRttrF4/1XxIn1TPBMYBBw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB5469

Series

x86/vPMU: adjustements to vendor hooks treatment | expand

Message

Jan Beulich Nov. 29, 2021, 9:08 a.m. UTC

In the context of [1] the 1st patch will be of interest, whereas the
other changes are a result of observations while doing that conversion.

1: convert vendor hook invocations to altcall
2: invoke <vendor>_vpmu_initialise() through a hook as well
3: move vpmu_ops to .init.data

Jan

[1] https://lists.xen.org/archives/html/xen-devel/2021-11/msg01822.html