61b0b19497
Dramatically improve handling of KVM vCPU pool.
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Especially in situations with small numbers of vCPUs, the existing
system resulted in excessive thrashing. Now, execution contexts
co-ordinate as smoothly as they can to share a small number of cores.
PiperOrigin-RevId: 197483323
Change-Id: I0afc0c5363ea9386994355baf3904bf5fe08c56c
2018-05-21 16:49:40 -07:00
4b7e4f3d36
Fix KVM EFAULT handling.
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PiperOrigin-RevId: 196781718
Change-Id: I889766eed871929cdc247c6b9aa634398adea9c9
2018-05-15 22:44:40 -07:00
00adea3a3f
Simplify KVM invalidation logic.
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PiperOrigin-RevId: 196780209
Change-Id: I89f39eec914ce54a7c6c4f28e1b6d5ff5a7dd38d
2018-05-15 22:21:36 -07:00
310a99228b
Simplify KVM state handling.
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This also removes the dependency on tmutex.
PiperOrigin-RevId: 196764317
Change-Id: I523fb67454318e1a2ca9da3a08e63bfa3c1eeed3
2018-05-15 18:34:09 -07:00
ed02ac4f66
Disable INVPCID check; it's not used.
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PiperOrigin-RevId: 196615029
Change-Id: Idfa383a9aee6a9397167a4231ce99d0b0e5b9912
2018-05-14 21:40:21 -07:00
2ab754cff7
Make KVM system call first check.
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PiperOrigin-RevId: 196613447
Change-Id: Ib76902896798f072c3031b0c5cf7b433718928b7
2018-05-14 21:14:17 -07:00
825e9ea809
Simplify KVM host map handling.
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PiperOrigin-RevId: 196611084
Change-Id: I6afa6b01e1dcd2aa9776dfc0f910874cc6b8d72c
2018-05-14 20:45:41 -07:00
17a0fa3af0
Ignore spurious KVM emulation failures.
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PiperOrigin-RevId: 196609789
Change-Id: Ie261eea3b7fa05b6c348ca93e229de26cbd4dc7d
2018-05-14 20:27:21 -07:00
8deabbaae1
Remove error return from AddressSpace.Release()
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PiperOrigin-RevId: 196291289
Change-Id: Ie3487be029850b0b410b82416750853a6c4a2b00
2018-05-11 12:24:15 -07:00
7c8c3705ea
Fix misspellings
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PiperOrigin-RevId: 195742598
Change-Id: Ibd4a8e4394e268c87700b6d1e50b4b37dfce5182
2018-05-07 16:38:01 -07:00
65df955168
Set LMA in EFER
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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
2018-05-01 22:17:47 -07:00
d02b74a5dc
Check in gVisor.
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PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
2018-04-28 01:44:26 -04:00
Adin Scannell
Michael Pratt
Ian Gudger
Googler