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2018-05-30Restore FS on resume.Adin Scannell
Previously, the vCPU FS was always correct because it relied on the reset coming out of the switch. When that doesn't occur, for example, using bluepill directly, the FS value can be incorrect leading to strange corruption. This change is necessary for a subsequent change that enforces guest mode for page table modifications, and it may reduce test flakiness. (The problematic path may occur in tests, but does not occur in the actual platform.) PiperOrigin-RevId: 198648137 Change-Id: I513910a973dd8666c9a1d18cf78990964d6a644d
2018-05-30Change ring0 & page tables arguments to structs.Adin Scannell
This is a refactor of ring0 and ring0/pagetables that changes from individual arguments to opts structures. This should involve no functional changes, but sets the stage for subsequent changes. PiperOrigin-RevId: 198627556 Change-Id: Id4460340f6a73f0c793cd879324398139cd58ae9
2018-05-07Fix misspellingsIan Gudger
PiperOrigin-RevId: 195742598 Change-Id: Ibd4a8e4394e268c87700b6d1e50b4b37dfce5182
2018-05-01Set LMA in EFERMichael Pratt
As of Linux 4.15 (f29810335965ac1f7bcb501ee2af5f039f792416 KVM/x86: Check input paging mode when cs.l is set), KVM validates that LMA is set along with LME. PiperOrigin-RevId: 195047401 Change-Id: I8b43d8f758a85b1f58ccbd747dcacd4056ef3f66
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463