[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 0/3] x86/spec-ctrl: Fix NMI race condition
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Thu, 13 Jan 2022 16:38:30 +0000
- Authentication-results: esa6.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Delivery-date: Thu, 13 Jan 2022 16:39:00 +0000
- Ironport-data: A9a23:2y3YJqtncpXnf5DQx+KY2uCih+fnVGFZMUV32f8akzHdYApBsoF/q tZmKWjTPffeZDegLthwaozjpxwGvZ+HzoRmQQFv+HowESwb+JbJXdiXEBz9bniYRiHhoOOLz Cm8hv3odp1coqr0/0/1WlTZQP0VOZigHtIQMsadUsxKbVIiGHdJZS5LwbZj2NYx2IPhWWthh PupyyHhEA79s9JLGjp8B5Kr8HuDa9yr5Vv0FnRnDRx6lAe2e0s9VfrzFonoR5fMeaFGH/bSe gr25OrRElU1XfsaIojNfr7TKiXmS1NJVOSEoiI+t6OK2nCuqsGuu0qS2TV1hUp/0l20c95NJ NplrZyaWS0RY5bwtukkQkYfVC5vYo5X9+qSSZS/mZT7I0zudnLtx7NlDV0sPJ1e8eFyaY1M3 aVGcnZXNEnF3r/ohuLgIgVvrp1LwM3DFYUToHx/ixreCu4rW8vrSKTW/95Imjw3g6iiGN6AP ppEN2YzMnwsZTUVeWVPF5Qbm92kl1v9VzEEkkrEj/Uetj27IAtZj+G2bYu9lsaxbdVYmAOUq 3zL+0z9AwoGL5qPxDyd6HWui+TT2yThV+ov+KaQr6AwxgfJnypKVUNQBQDTTeSFZlCWQ9J1O 2YspxESg6UL5RPsCdbsAD6pryvR1vIDYOZ4H+o/4QCL76Pb5QeFG2QJJgJ8hMwaWNweHmJzi ALQ9z/9LXk26eDOFyrBnluBhW7qYUAowXk+iTjopOfvy/3qu8kNgx3GVb6P+4bl34SuSVkcL 91nxRXSZon/b+ZXhs1XHnid2lpAQ6QlqCZvtm07uUr/v2tEiHaNPdDA1LQixa8owHylZleAp mMYvMOV8foDC5qA/ATUHrlXROjyv6jZYGaG6bKKI3XH3279k5JEVdoBiAyS2W8zappUEdMXS BK7VfxtCG97YyLxMP4fj3OZAMU216nwfekJpdiPBueilqNZLVfdlAk3PBb49zm0zCAEzP9jU b/GL5fEJStKWMxPkWvtL89AgOBD+8zL7T6JLXwN5075geP2ib/8YeptDWZimchivfzU+1uEo o8PXyZIoj0GONDDjuDs2dZ7BTg3wbITXPgacuRbKbyOJBRIAmYkB6ODyL8tYdU9za9Uiv3J7 je2XUoBkAjzgnjOKAOrbHF/aeywAcYj/CxjZSF8b0y133UDYJq06PtNfZUAYrR6pvdoyuR5T qdZdpzYUOhPUDnO5x8UcYL58N55bB2uiA/XZ3ilbTEzcoROXQvM/tO4LALj+DNXVni8tNcko q3m3QTeGMJRSwNnBcfQSfSu01Lu4iRNxLMsBxPFe4ABdl/t/Y5mLz3KosU2e8xcew/ewja61 hqNBUtKr+f6vIJoosLCgrqJrtn1HrImTFZaBWTS8Z2/KTLeoji42YZFXeuFIWLdWWfz9Pnwb OlZ1aihYvgOnVIMuItgCbd7i6k54oK39bNdyw1lGlTNbkiqVew8ciXXg5EXu/0f3KJdtCu3R lmLq4tTNri+Mc/4FEIceVg+ZeOZ2PBIwjTf4JzZ+qkhCPObKFZfbXhvAg==
- Ironport-hdrordr: A9a23:SZ4HWapAgWU7fe9W6VvXtOsaV5oneYIsimQD101hICG8cqSj+f xG+85rsiMc6QxhPE3I9urhBEDtex/hHP1OkOws1NWZLWrbUQKTRekIh+bfKlXbakvDH4VmtJ uIHZIQNDSJNykZsfrH
- Ironport-sdr: NJi55lD6wuLBNX8Mmi7lJgBdaAysFW0iZDbns3WiUZBz2AoAw2qeVOzshp8fdprNY+N9Ij/dLE R7Pc2HsBha3j6MDJNk3oAGvo4qmLIXzxfrMdbZXMennOdc76eXdaiTXf0v68G4vquyZ5B7HM/I o6WadOgYwTmXOjYxxkhHV2lgAQuPMNfs5r4jZP1y5cCMa6rS3DHQVPfIybvwTUaaL0dS89GA/u qYonr0UrGv5XICOH7LMMFaKThWht/zjRvkHFCH1H91eJHGEwGrl47negf2osVi863J6gEKBf+W Pl9cq57sZMhr3Yg5dlENJb+k
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Andrew Cooper (3):
x86/msr: Split MSR_SPEC_CTRL handling
x86/spec-ctrl: Drop SPEC_CTRL_{ENTRY_FROM,EXIT_TO}_HVM
x86/spec-ctrl: Fix NMI race condition with VT-x MSR_SPEC_CTRL handling
xen/arch/x86/hvm/svm/entry.S | 5 ++--
xen/arch/x86/hvm/vmx/entry.S | 23 ++++++++++-----
xen/arch/x86/hvm/vmx/vmx.c | 38 ++++++++++++++++++++++++-
xen/arch/x86/include/asm/msr.h | 21 ++++++++++----
xen/arch/x86/include/asm/spec_ctrl_asm.h | 49 ++++----------------------------
xen/arch/x86/msr.c | 6 ++--
xen/arch/x86/pv/emul-priv-op.c | 10 +++++++
7 files changed, 90 insertions(+), 62 deletions(-)
--
2.11.0
|
