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Merge pull request #11392 from tianyuzhou95:albert-develop

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PiperOrigin-RevId: 720229607
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gVisor bot
2025-01-27 10:52:49 -08:00
parent 1c38b6cbed 135fb65c75
commit ca0ba7cbba
1 changed files with 3 additions and 1 deletions
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pkg/ring0/lib_amd64.go
+3 -1
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@@ -106,7 +106,9 @@ func Init(fs cpuid.FeatureSet) {
if VirtualAddressBits > 48 {
VirtualAddressBits = 48
}
PhysicalAddressBits = uintptr(fs.PhysicalAddressBits())
if PhysicalAddressBits == 0 {
PhysicalAddressBits = uintptr(fs.PhysicalAddressBits())
}
UserspaceSize = uintptr(1) << (VirtualAddressBits - 1)
MaximumUserAddress = (UserspaceSize - 1) & ^uintptr(hostarch.PageSize-1)
KernelStartAddress = ^uintptr(0) - (UserspaceSize - 1)