diff options
Diffstat (limited to 'pkg/sentry/platform/kvm')
| -rw-r--r-- | pkg/sentry/platform/kvm/bluepill_amd64.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/pkg/sentry/platform/kvm/bluepill_amd64.go b/pkg/sentry/platform/kvm/bluepill_amd64.go index a2baefb7d..b364e3ef7 100644 --- a/pkg/sentry/platform/kvm/bluepill_amd64.go +++ b/pkg/sentry/platform/kvm/bluepill_amd64.go @@ -98,6 +98,7 @@ func bluepillSyscall() { } ring0.SaveFloatingPoint(bytePtr(uintptr(regs.Gs_base))) ring0.Halt() + ring0.WriteFS(uintptr(regs.Fs_base)) // Reload host segment. ring0.LoadFloatingPoint(bytePtr(uintptr(regs.Gs_base))) } @@ -114,6 +115,7 @@ func bluepillException(vector ring0.Vector) { } ring0.SaveFloatingPoint(bytePtr(uintptr(regs.Gs_base))) ring0.Halt() + ring0.WriteFS(uintptr(regs.Fs_base)) // Reload host segment. ring0.LoadFloatingPoint(bytePtr(uintptr(regs.Gs_base))) } |