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Date:      Wed, 20 Feb 2019 15:52:35 -0800
From:      Conrad Meyer <cem@freebsd.org>
Cc:        Konstantin Belousov <kib@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org,  svn-src-head@freebsd.org
Subject:   Re: svn commit: r344353 - in head/sys: amd64/amd64 amd64/include arm/include arm64/include i386/include mips/include powerpc/include riscv/include sparc64/include vm x86/include
Message-ID:  <CAG6CVpWyCfmHAt%2BsD-CYNvamj4xVcpjQKtMhkGe4UtB%2Bysa_2A@mail.gmail.com>
In-Reply-To: <CAG6CVpVeQE6nmsmj%2BXnBXCPQ%2BMKCphxRdSm8fbsCZfP1PgPdWA@mail.gmail.com>
References:  <201902200951.x1K9pDQs001745@repo.freebsd.org> <CAG6CVpVeQE6nmsmj%2BXnBXCPQ%2BMKCphxRdSm8fbsCZfP1PgPdWA@mail.gmail.com>

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Nevermind, sorry about that.  I see the subsequent commits now.

On Wed, Feb 20, 2019 at 2:33 PM Conrad Meyer <cem@freebsd.org> wrote:
>
> Hi Konstantin,
>
> What is the (K)API for this (do you have any intended consumers in
> mind)?  Will it be documented in a manual page at some point?  Does it
> make sense to expose to userspace via mmap(2) or similar?
>
> Thanks,
> Conrad
>
> On Wed, Feb 20, 2019 at 1:51 AM Konstantin Belousov <kib@freebsd.org> wrote:
> >
> > Author: kib
> > Date: Wed Feb 20 09:51:13 2019
> > New Revision: 344353
> > URL: https://svnweb.freebsd.org/changeset/base/344353
> >
> > Log:
> >   Add kernel support for Intel userspace protection keys feature on
> >   Skylake Xeons.
> >
> >   See SDM rev. 68 Vol 3 4.6.2 Protection Keys and the description of the
> >   RDPKRU and WRPKRU instructions.
> >
> >   Reviewed by:  markj
> >   Tested by:    pho
> >   Sponsored by: The FreeBSD Foundation
> >   MFC after:    2 weeks
> >   Differential revision:        https://reviews.freebsd.org/D18893



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