netbird/gvisor
0
0
Fork 0
mirror of https://github.com/netbirdio/gvisor.git synced 2026-05-22 17:12:49 -07:00
Code Issues Packages Projects Releases Wiki Activity

Set LMA in EFER

Browse Source 
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
This commit is contained in:
Michael Pratt
2018-05-01 22:17:47 -07:00
committed by Shentubot
parent 3d3deef573
commit 65df955168
2 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
pkg/sentry/platform/ring0/kernel_amd64.go
+1 -1
View File
@@ -149,7 +149,7 @@ func (c *CPU) CR4() uint64 {
//
//go:nosplit
func (c *CPU) EFER() uint64 {
return _EFER_LME | _EFER_SCE | _EFER_NX
return _EFER_LME | _EFER_LMA | _EFER_SCE | _EFER_NX
}
// IsCanonical indicates whether addr is canonical per the amd64 spec.
pkg/sentry/platform/ring0/x86.go
+1
View File
@@ -46,6 +46,7 @@ const (
_EFER_SCE = 0x001
_EFER_LME = 0x100
_EFER_LMA = 0x400
_EFER_NX = 0x800
_MSR_STAR = 0xc0000081