[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 0/6] x86: Support PKS
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Thu, 16 Dec 2021 09:54:15 +0000
- Authentication-results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>
- Delivery-date: Thu, 16 Dec 2021 09:54:47 +0000
- Ironport-data: A9a23:d/2796gcH9GdAljl8WXxQWdPX161uxcKZh0ujC45NGQN5FlHY01je htvUG7SMv3fYWP8KIslPty29kxVvJaEy4I2TlE+qnwxRCIb9cadCdqndUqhZCn6wu8v7a5EA 2fyTvGacajYm1eF/k/F3oAMKRCQ7InQLlbGILes1htZGEk0GE/NtTo5w7Rg29Qx34Dja++wk YiaT/P3aQfNNwFcagr424rbwP+4lK2v0N+wlgVWicFj5DcypVFMZH4sDfjZw0/DaptVBoaHq 9Prl9lVyI97EyAFUbtJmp6jGqEDryW70QKm0hK6UID66vROS7BbPg/W+5PwZG8O4whlkeydx /0OiKXzbl0PMJbmxuU6SiBHNjwiLYR/reqvzXiX6aR/zmXDenrohf5vEFs3LcsT/eMf7WNmr KJCbmpXN1ba2rzwkOnTpupE36zPKOHCOo8Ft24m5jbeFfs8GrjIQrnQ5M8e1zA17ixLNaiGP pVFMWAwBPjGSwQXAHNKA6oTpr6Tn0jHIiNAo2KM+7VitgA/yyQuieOwYbI5YOeiWsF9jkue4 GXc8AzRARwENdrZ1TuM9FqtgPPCmWXwX4d6PK218LtmjUOewkQXCQYKTh2rrP+hkEm8VtlDb UsO9UIGj4I/6UiqRdnVRACjrTiPuRt0ZjZLO7RkskfXkPOSulvHQDhfJtJcVDA4nIwLfH8Nj HmHpPm3BBt2iaKwVC6N347B+FteJhMpBWMFYCYFSy4M7N/ivJw/g3rzczpzLEKmpoarQG+tm lhmuAB73uxO1pBTi81X6Hie22r0zqUlWDLZ8ek+soiNygpiLLCoaIWzgbQwxaYRdd3JJrVtU ZVtpiR/0AzsJc3d/MBuaL9UdF1M2xpjGGeG6bKIN8N+nwlBA1b5IehtDMhWfS+FyPosdz7ze 1P0sghM/pJVN3bCRfYpONPsWp91nfW6TY+NuhXogjxmOMIZmOivpn4GWKJt9zq1zBhEfV8XZ /93jvpA/V5FUP86nVJats8W0KMxxzBW+I8gbcuT8vhT6pLHPCT9Ye5caDOmN7llhIvZ8FS92 4sObKOilkQAONASlwGKqOb/23hRdiNlbX03wuQKHtO+zv1ORDt8VqSPmOx5IOSIXc19z4/1w 510YWcAoHKXuJENAV/ihqlLZOy9UJBhg2g8OCBwb1+k12J6OdSk7bsFdotxdr4irbQxwflxR vgDWsOBHvUQFWiXp2VDNcHw/N54aRCmpQOSJC75MjIxSIFtGl7S8dj+cwqxqCRXVnirtdEzq qGL3x/ARcZRXBxrCcvbMar9z164sXUHtvh1Wk/EfotadEn2qdA4IC3tlP4nZcoLLEyblDed0 g+XBzYepPXM/NBpoIWY2/jcot7wQeVkH0dcE23K1pqMNHHXrji53ItNcOeUZjSBBmn6z7qvO LdOxPbmPfxZwFsT69hgE6xmxL4V7sf0o+MI1RxtGXjGYgj5Cr5kJXXaj8BDurcUm+1csAqyH EmO5sNbKfOCP8a8SAwdIw8sb+Ki0/AIm2aNsaRpcRuivCInrqCaVUhyPgWXjH0PJbR4B4op3 OM9tZNE8Ae4kBcrbo6Lgy08G75g9ZDcv3HLbq0nPbI=
- Ironport-hdrordr: A9a23:DPEI2awLHmOJqw60l0IlKrPwIL1zdoMgy1knxilNoRw8SKKlfq eV7ZMmPH7P+VIssR4b+exoVJPtfZq+z+8R3WByB8bAYOCOggLBR+sO0WKL+UyHJ8SUzI9gPM lbHJSWcOeAb2RHsQ==
- Ironport-sdr: 7OjQsFR0nhXs1vmGSztLReQ6LHCYzTPymL54QNEmr/p42OlMkXTiqobBV4ovAdVtbPG2qncoHA 6CuFLQwdSQ3G1JHlff40ukV7yVCbwRrRQJKDQ95qqeHXKG8/psuyjAjh+v11DOdHWIZg03zLK+ 1qukGLQmxwPJBW0ZbLwPKwWIFroBP1Sh1NCOnxrWSQm+CMMPQ9MJo8tPQxQxVyQyP6O3t8CiTd jpgBIWeiVpBDodvkoqaYKFPVsLXXQKDofDUbocXHvu5K+ye4SG0ueKHiDQQOQzUqTDVJ0ts9yh Ori/+zvOXsh+tlSizzFh7yY+
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
I found a spare half hour, and this turned out to go very smoothly.
It's tentatively RFC right now, because I'm still adding PKS support to the
XTF comprehensive pagewalk test, but the series is definitely fit for review
at this point.
Andrew Cooper (6):
x86/prot-key: Enumeration for Protection Key Supervisor
x86/prot-key: Split PKRU infrastructure out of asm/processor.h
x86/hvm: Context switch MSR_PKRS
x86/hvm: Enable guest access to MSR_PKRS
x86/pagewalk: Support PKS
x86/hvm: Support PKS
tools/libs/light/libxl_cpuid.c | 1 +
tools/misc/xen-cpuid.c | 2 +-
xen/arch/x86/cpuid.c | 9 +++
xen/arch/x86/hvm/hvm.c | 8 ++-
xen/arch/x86/hvm/vmx/vmx.c | 14 +++++
xen/arch/x86/include/asm/guest_pt.h | 5 ++
xen/arch/x86/include/asm/hvm/hvm.h | 3 +
xen/arch/x86/include/asm/msr-index.h | 2 +
xen/arch/x86/include/asm/msr.h | 8 +++
xen/arch/x86/include/asm/processor.h | 38 ------------
xen/arch/x86/include/asm/prot-key.h | 93 +++++++++++++++++++++++++++++
xen/arch/x86/include/asm/x86-defns.h | 1 +
xen/arch/x86/mm/guest_walk.c | 16 +++--
xen/arch/x86/msr.c | 17 ++++++
xen/arch/x86/x86_emulate.c | 2 +
xen/include/public/arch-x86/cpufeatureset.h | 1 +
16 files changed, 174 insertions(+), 46 deletions(-)
create mode 100644 xen/arch/x86/include/asm/prot-key.h
--
2.11.0
|
