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Peter Anvin" , Dan Williams Cc: Fenghua Yu , Rick Edgecombe , linux-kernel@vger.kernel.org References: <20220127175505.851391-1-ira.weiny@intel.com> <20220127175505.851391-3-ira.weiny@intel.com> From: Dave Hansen Subject: Re: [PATCH V8 02/44] Documentation/protection-keys: Clean up documentation for User Space pkeys In-Reply-To: <20220127175505.851391-3-ira.weiny@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/27/22 09:54, ira.weiny@intel.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.