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README.pti
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Xen page-table isolation (XPTI)
===============================
Summary
-------
This README gives references for one of three mitigation strategies
for Meltdown.
This series is a first-class migitation pagetable isolation series for
Xen. It is available for Xen 4.6 to Xen 4.10 and later.
Precise git commits are as follows:
4.10:
7cccd6f748ec724cf9408cec6b3ec8e54a8a2c1f x86: allow Meltdown band-aid to be disabled
234f481337ea1a93db968d614649a6bdfdc8418a x86: Meltdown band-aid against malicious 64-bit PV guests
57dc197cf0d36c56ba1d9d32c6a1454bb52605bb x86/mm: Always set _PAGE_ACCESSED on L4e updates
910dd005da20f27f3415b7eccdf436874989506b x86/entry: Remove support for partial cpu_user_regs frames
4.9:
dc7d46580d9c633a59be1c3776f79c01dd0cb98b x86: allow Meltdown band-aid to be disabled
1e0974638d65d9b8acf9ac7511d747188f38bcc3 x86: Meltdown band-aid against malicious 64-bit PV guests
87ea7816247090e8e5bc5653b16c412943a058b5 x86/mm: Always set _PAGE_ACCESSED on L4e updates
2213ffe1a2d82c3c9c4a154ea6ee252395aa8693 x86/entry: Remove support for partial cpu_user_regs frames
4.8:
31d38d633a306b2b06767b5a5f5a8a00269f3c92 x86: allow Meltdown band-aid to be disabled
1ba477bde737bf9b28cc455bef1e9a6bc76d66fc x86: Meltdown band-aid against malicious 64-bit PV guests
049e2f45bfa488967494466ec6506c3ecae5fe0e x86/mm: Always set _PAGE_ACCESSED on L4e updates
a7cf0a3b818377a8a49baed3606bfa2f214cd645 x86/entry: Remove support for partial cpu_user_regs frames
4.7:
e19d0af4ee2ae9e42a85db639fd6848e72f5658b x86: allow Meltdown band-aid to be disabled
e19517a3355acaaa2ff83018bc41e7fd044161e5 x86: Meltdown band-aid against malicious 64-bit PV guests
9b76908e6e074d7efbeafe6bad066ecc5f3c3c43 x86/mm: Always set _PAGE_ACCESSED on L4e updates
0e6c6fc449000d97f9fa87ed1fbe23f0cf21406b x86/entry: Remove support for partial cpu_user_regs frames
4.6:
44ad7f6895da9861042d7a41e635d42d83cb2660 x86: allow Meltdown band-aid to be disabled
91dc902fdf41659c210329d6f6578f8132ee4770 x86: Meltdown band-aid against malicious 64-bit PV guests
a065841b3ae9f0ef49b9823cd205c79ee0c22b9c x86/mm: Always set _PAGE_ACCESSED on L4e updates
c6e9e6095669b3c63b92d21fddb326441c73712c x86/entry: Remove support for partial cpu_user_regs frames