[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] x86/MSR: use latched "current"
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Tue, 29 Nov 2022 20:37:06 +0000
- Accept-language: en-GB, en-US
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=bDxCvA9XjZ5o06K2B75AnszirJXU/O38c/CsMBuH8KM=; b=BAovEXU+VmO1TUs0WIBnk3QM89oxkzihSRWIXMx82LneJL86jja4ostXcEHwHyDToZHbsR2HhmfBablqFF1CwbtVCiu6+Amqeo3Qr2nUR0TmMVcBkK3qjZwlFer/21+0eqd6407Rzi62O06k0fedFvFy5LDsU86WlnRDKRGHqJa/+pFq9pFZyUsQNNDFL1tpFKKK4EfSJmDhJmy6vAOgJZu19GIrDIkRtetDEMQtsYcQhtC6evH6R16lsuGsAJWLkXiBCaAdk3c33XEu/OAJsPZOewlsGItrUrJqueM5hFHcrz81ldKFNu2yPyXTKz9om6UU5XQHnO2mfA5vSYlUZw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UjcWyQQUZenznn/phKAuySi/Ptg53WXXb6WCnq7Mz0cf5jLMFU3Yx+gX+MVZlYqgsMAn+ifLjU/svBRyqjobv/B4WJlENvKJzr+qaNkOXmBao6c8ET+gCMRoV4deqmF4d3tvQqHK6s0leEZc6MWxwLfwY51ultZI9c8qs4Oz8Z6Iw0n6sk7F9w5pnimUlXlrlPVPOfuEmGDAMUqiCN9Mk/N7m2Pcfiu2qlh/1gU8YU2q/DbdsRtf3leFzyBZB9U9RXGECsPPdhCBVqu09O7AxhoJt1eO+Z/ONZJfwj3JpG2ZlgkdNnxSm3wvEoOHOg74SzcMDootTCYHulx6/cma/w==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com;
- Cc: Wei Liu <wl@xxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 29 Nov 2022 20:37:15 +0000
- Ironport-data: A9a23:xZ0JXa3xcXwWD+6O0/bD5fFwkn2cJEfYwER7XKvMYLTBsI5bp2MHm 2EcD2uDOa6NM2Chet91b9yw9h8GvJbdmNBjSFQ+pC1hF35El5HIVI+TRqvS04F+DeWYFR46s J9OAjXkBJppJpMJjk71atANlVEliefTAOK5ULSfUsxIbVcMYD87jh5+kPIOjIdtgNyoayuAo tq3qMDEULOf82cc3lk8tuTS9nuDgNyo4GlC5wVkNKgV1LPjvyJ94Kw3dPnZw0TQGuG4LsbiL 87fwbew+H/u/htFIrtJRZ6iLyXm6paLVeS/oiI+t5qK23CulQRrukoPD9IOaF8/ttm8t4sZJ OOhF3CHYVxB0qXkwIzxWvTDes10FfUuFLTveRBTvSEPpqFvnrSFL/hGVSkL0YMkFulfMEVKz r8mFBE0aiup19nxzu6cVLY2v5F2RCXrFNt3VnBI6xj8VKxjbbWdBqLA6JlfwSs6gd1IEbDGf c0FZDFzbRPGJRpSJlMQD5F4l+Ct7pX9W2QA9BTJ+uxqsi6Kk1AZPLvFabI5fvSjQ8lPk1nej WXB52njWTkRNcCFyCrD+XWp7gPKtXOlAthOS+XmnhJsqGOY514RCx8xbkaYoMGmjUXkfvNZB FNBr0LCqoB3riRHVOLVXRe1vXqFtR40QMdLHqsx7wTl4rrZ5UOVC3YJShZFacc6r4kmSDoyz FiLktj1Qzt1v9W9Vna15rqS6zSoNkAowXQqYCYFSU4J5oflqYRq1BbXFI88TOiyk8H/Hiz2z 3aSti8iir4PjMkNkaKm4VTAhDHqrZ/MJuIo2jjqsquexlsRTOaYi0aAsjA3Md4owF6lc2S8
- Ironport-hdrordr: A9a23:rQIFn66EbUykzPgb8wPXweCCI+orL9Y04lQ7vn2ZFiY5TiXIra qTdaogviMc0AxhI03Jmbi7Scq9qeu1z+853WBjB8bZYOCAghrlEGgC1/qp/9SEIUHDH4FmpM BdmsRFaeEYSGIK9foSgzPIXOrIouP3lpxA7N22pxgCcegpUdAY0+4TMHf4LqQCfngjOXNPLu v42iMonVqdUEVSSv7+KmgOXuDFqdGOvJX6YSQeDxpixBiSgSiu4LvaFQHd+hsFSTtAzZor7G CAymXCl+SemsD+7iWZ+37Y7pxQltek4txfBPaUgsxQBiTwhh2ubIFBXaTHmDwuuumg5Hsjjd GJiRY9OMZY7W/XYwiO0FXQ8jil9Axrx27pyFeej3emi9f+XigGB81Igp8cWgfF6mI71esMk5 5j7ia8jd56HBnAlCPy65zjTBdxjHe5pnIkjKo6k2Ffa40Dc7VcxLZvvn+9Ua1wWR4S2rpXV9 WGP/usosq+tmnqNkwxi1MfhOBEmE5DRituDHJy4fB9mAIm4UyRh3FouPD32E1wtK7VAqM0md gteM5T5c5zZ95TYqRnCOgbR8yrTmTLXBLXKWqXZU/qDacdJhv22tfKCZgOlZaXkaYzve0PsY WEVEkduX85ekroB8HL1JpX8grVSGH4WTj20MlR65Vwp7W5HdPQQGa+YUFrl9Hlr+QUA8XdVf r2MJVKA+X7JW+rHYpSxQXxV5RbNHFbWswIvdQwXU6Iv6vwW8XXn/2edOyWKKvmED4iVG+6Cn wfXCLrLMEF9UyvUm+QummkZ5osQD2LwXtdKtmowwFI8vl9CmRliHlktX2poseWNDZFrqs6OE NjPbKPqNLImVWL
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHZBAHfUTfAg3OK4U608Se22l8Hja5WXKwA
- Thread-topic: [PATCH] x86/MSR: use latched "current"
On 29/11/2022 14:49, Jan Beulich wrote:
> There's no need to recalculate / refetch the value from the stack
> (pointer).
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
|