[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v5] x86/ucode/AMD: late load the patch on every logical thread
- To: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 27 Feb 2023 17:05:43 +0100
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.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=mSloe7PXr4WtUOMrAadpl21PcVK2Xy6Z7hqkFumGLaQ=; b=SrvqHcnBbGWJvln9Cd88I+qEz/GfLabYS3mnlupHfkZtIWKJCDf42WiDuW3w9vMuAm1uY0ffj+2w1RomSsA78ViJmY3/0wXUU3VJZplJyBmp4RMm/9t9Lp/evig88+vjWxB60JszY9cSkVM+Ypv/Nm/6iv81J9cJIY7lY8SLelb3KfiuVfCD+Sv5JkRHTUALXV0iYQYuvEX5DzVZj+3FV/9qCErNRRB9Zx2NgZ2qYCTU2oFMeKxiC+AKBJSutFZfuTIw6zaVXHhDkKPY5Nf3JTPIalyjSxDSpVfRA9WgfomK55GxMymgUll8NvktoQyp9tYdSLvuLfh7bL3oFKenBA==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=DLc6IGC/hiiU13nKGESaSyDezwgDcnpuNFOQ4AM2/3amAripBeonXbQPw1y1y6WtuQv/4wlGGdqxOfA76R5RbrMTV8FU9ytG/mUAfTyFFepqRkQckAsIqHt7HXgsQvi2i+6SaFEFT5iFQVg6xvlr4Z9lwbElLl+cpcIDTn6hkri4c1cooJl7XELA+BMVE2Lynk4zDOAoD7Bx260isHbAXNg2z7PpCtndggwqE9hBaLfpaHiKo9l8exYX2qoVAhqbpdqWkHiTkJV9xN4h24q0aMeP3xvgagI1goDPfnRaEOFgk086sqtULW9p8obsdxR5K8ptwQ++ehaV1WQ0rP4pKg==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com;
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Wei Liu <wl@xxxxxxx>
- Delivery-date: Mon, 27 Feb 2023 16:05:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 23.02.2023 18:39, Sergey Dyasli wrote:
> Currently late ucode loading is performed only on the first core of CPU
> siblings. But according to the latest recommendation from AMD, late
> ucode loading should happen on every logical thread/core on AMD CPUs.
>
> To achieve that, introduce is_cpu_primary() helper which will consider
> every logical cpu as "primary" when running on AMD CPUs. Also include
> Hygon in the check for future-proofing.
>
> Signed-off-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
|
