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Date: Tue, 1 Feb 2022 15:49:47 -0800 From: Ira Weiny <ira.weiny@...el.com> To: Dave Hansen <dave.hansen@...el.com> Cc: Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, Dan Williams <dan.j.williams@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, Rick Edgecombe <rick.p.edgecombe@...el.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH V8 02/44] Documentation/protection-keys: Clean up documentation for User Space pkeys On Fri, Jan 28, 2022 at 02:39:10PM -0800, Dave Hansen wrote: > On 1/27/22 09:54, ira.weiny@...el.com wrote: > > +PKeys Userspace (PKU) is a feature which is found on Intel's Skylake "Scalable > > +Processor" Server CPUs and later. And it will be available in future > > +non-server Intel parts and future AMD processors. > > The non-server parts are quite available these days. I'm typing on one > right now: > > model name : 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz > > This can probably say: > > Protection Keys for Userspace (PKU) can be found on: > * Intel server CPUs, Skylake and later > * Intel client CPUs, Tiger Lake (11th Gen Core) and later > * Future AMD CPUs > > It would be great if the AMD folks can elaborate on that a bit, but I > understand it might not be possible if the CPUs aren't out yet. Updated. But I'm leery about putting in any information about AMD CPU's. Who could I ask directly? Ira
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