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enable virtual machine extensions

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This commit is contained in:
Stefan Lankes 2015-12-08 22:25:14 +01:00
parent 8f4fdc9559
commit b36e758e9e
1 changed files with 2 additions and 0 deletions
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2
hermit/arch/x86/kernel/processor.c
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@ -273,6 +273,8 @@ int cpu_detection(void) {
cr4 |= CR4_PGE;
if (has_fsgsbase())
cr4 |= CR4_FSGSBASE;
if (has_vmx())
cr4 |= CR4_VMXE;
cr4 &= ~CR4_TSD; // => every privilege level is able to use rdtsc
write_cr4(cr4);