[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 1/2] x86/cpuid: Infrastructure to support pseudo feature identifiers
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Wed, 5 Oct 2022 13:34:06 +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=se3in2uAW3D9ETT34Y+RU+Il35p9iH0up3DLcLAmODo=; b=IEo2DbUP5nJuBNplI6Hbo4aN+252BE8PJB4Xd+upJ+PexupJHbA0JUe3P4EiF1lcL4nqEh8+NU8Bgwce+QJMfi/cUOETAwZT56mLIAtaGOaM+Mw5Y76Ty4dpehANcU/O30bhsLYZwWpov8cKgy3uGXJQEGnzyEYe0C4g07XKR9x3XQl2eid8pSmemIrcd7+NGUGbYYbXwpf6OKFdFHrIbMUL/UhY/43u68DvuHFf39YZrM78mFSk8RE9YqnmbvScl9Y37m+wS4f3ia2j+4GhWm2Je7fu2fegjsh617y5Mobi3x2uVMRleWj6A138xZzVMoNvALBfENgmv3j1KZ+J3Q==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=L82OP4XbzQSDtQp/iN0wxiT2iF+O+NK9IFgsa15qVVeiVZR4jlYx8CmFIBWST4imp+CNRs32MipG/r266ZJo1vrJ/TxgDdIfnzh2O8f6CMMyp46PfxAsyAgZ2pKfTbG/PecVirKteCr+uKTMjc33dBgcP5QLGbXh8eetpq+5++m4TFDb1oykyraApXm5yJzPl0mV50F4P1AlubHKVJJbGevP7Q57mBoH20ZhpNGQ5HngneOnEqcTSW6h9CHxcfI2LvpwQwfvpFPvjsZX3FVWeqWimFL++7g3sWmokIxitHfaWni/633GLlyprDnk63Qr7Vkbz5GvBcksdfxldu9rvw==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com;
- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Wei Liu <wl@xxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Demi Marie Obenour <demi@xxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 05 Oct 2022 13:34:33 +0000
- Ironport-data: A9a23:WdaCtq/OVYRTryJ4AgekDrUDcH+TJUtcMsCJ2f8bNWPcYEJGY0x3x mobDzzSaP2CM2HyKt0jPIqx/EMFvZ/Qm94wGlc5rXs8E34SpcT7XtnIdU2Y0wF+jCHgZBk+s 5hBMImowOQcFCK0SsKFa+C5xZVE/fjUAOC6UIYoAwgpLSd8UiAtlBl/rOAwh49skLCRDhiE/ Nj/uKUzAnf8s9JPGj9Suv/rRC9H5qyo4mpA5gFmPJingXeF/5UrJMNHTU2OByOQrrl8RoaSW +vFxbelyWLVlz9F5gSNy+uTnuUiG9Y+DCDW4pZkc/HKbitq/0Te5p0TJvsEAXq7vh3S9zxHJ HehgrTrIeshFvWkdO3wyHC0GQkmVUFN0OevzXRSLaV/ZqAJGpfh66wGMa04AWEX0stHMHt89 fBFEWgMZyndub71+ZfrdsA506zPLOGzVG8ekldJ6GiDSNwAEdXESaiM4sJE1jAtgMwIBezZe 8cSdTtoalLHfgFLPVAUTpk5mY9EhFGmK2Ee9A3T+PdxujeNpOBy+OGF3N79U9qGX8hK2G2fo XrL5T/RCRAGLt2PjzGC9xpAg8efx3uiBNNCT9VU8NZn2AKU6UwoLCc4ckP84sSGrBOZUc12f hl8Fi0G6PJaGFaQZsnwWVi0rWCJujYYWsFMCKsq5QeV0K3W7g2FQG8eQVZpSvYrqcs3TjwCz UKSkpXiAjkHmKKRYWKQ8PGTtzzaEQgYK3UTIxANSwQt6sPm5oo0i3rnS995Faevg97dGDfuw iuLpiwzm7USi8EQ06yxu1vAhlqEqpXMTyY04BvWRWOv6g5lZI+jaJes4FKd5vFFRLt1VXGEt XkA3sKYvOYHCMjXkDTXGbpTWra0+/yCLTvQx0Z1GIUs/Cis/Hjlep1M5DZ5JwFiNcNslSLVX XI/cDh5vPd7VEZGp4cnC25tI6zGFZTdKOk=
- Ironport-hdrordr: A9a23:nf/O0Kxil5Kp9KhNR178KrPxBOgkLtp133Aq2lEZdPULSKGlfp GV9sjziyWetN9IYgBapTiBUJPwIk81bfZOkMQs1MSZLXPbUQyTXc1fBOrZsnfd8kjFmtK1up 0QFJSWZOeQMbE+t7eD3ODaKadu/DDkytHPuQ629R4EIm9XguNbnn5E422gYy9LrXx9dP4E/e 2nl696TlSbGUg/X4CePD0oTuLDr9rEmNbPZgMHPQcu7E2jnC6l87nzFjmfx1M7XylUybkv3G DZm0ihj5/T8s2T+1v57Sv+/p5WkNzuxp9qA9GNsNEcLnHBmxulf4NoXpyFpXQQrPu04Fgnvd HQq1MLPth16VnWYmapyCGdlTXI4XIL0TvP2FWYiXzsrYjSXzQhEfdMgopfb1/w91cglMsU6t MJ40up875sST/QliX04NbFEztwkFCvnHYkmekPy1RCTIolbqNLp4B3xjIWLH5AJlO+1GkUKp goMCju3ocRTbpcVQGBgoBb+q3pYp30JGbffqFNgL3P79EcpgEF86JR/r1iop5HzuN8d3AM3Z W7Dkwj/os+MfM+fOZzAvwMTtCwDXGISRXQMHiKKVCiD60fPWnRwqSHqYndydvaD6Dg9qFC7q jpQRddryo/akjuAcqB0NlC9Q3MWny0WXDoxttF75Z0t7XgTP6zWBfzA2wGgo+lubESE8fbU/ G8NNZfBOLiN3LnHcJM0xflU5dfJHECWIkeu8o9WViJvsXXQ7ea/tDzYbLWPv7gADwkUmTwDj 8KWyXyPtxJ6gSxVnrxkHHqKgfQk4zEjOdN+YThjpsuIdI2R/xxWyAu+CSEz9DOLyFeuaore0 Y7KK/7k8qA1BuLwVo=
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHY2AuYxJImxml8GUGenwgOwsThN63/kTAAgAA9AAA=
- Thread-topic: [PATCH 1/2] x86/cpuid: Infrastructure to support pseudo feature identifiers
On 05/10/2022 10:55, Roger Pau Monné wrote:
> On Tue, Oct 04, 2022 at 05:08:09PM +0100, Andrew Cooper wrote:
>> A future change will want a cpuid-like identifier which doesn't have a
>> mapping
>> to a feature bit.
> Why we prefer this logic over just giving such pseudo features a
> synthetic bit or akin?
Synthetic bits are (intentionally) not available to cmdline parsing. We
need something that is available for parsing.
> Could we have a bit more of a description about what would be
> considered a pseudo feature?
I don't really have anything further to add beyond the comment in
gen-cpuid.py
It's a misc collection of things requiring special handling.
~Andrew
|
