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Sponsored by: The FreeBSD Foundation MFC after: 3 days
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=333896
@ -773,11 +773,11 @@ hw_ibrs_recalculate(void)
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if ((cpu_ia32_arch_caps & IA32_ARCH_CAP_IBRS_ALL) != 0) {
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if (hw_ibrs_disable) {
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v= rdmsr(MSR_IA32_SPEC_CTRL);
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v = rdmsr(MSR_IA32_SPEC_CTRL);
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v &= ~(uint64_t)IA32_SPEC_CTRL_IBRS;
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wrmsr(MSR_IA32_SPEC_CTRL, v);
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} else {
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v= rdmsr(MSR_IA32_SPEC_CTRL);
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v = rdmsr(MSR_IA32_SPEC_CTRL);
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v |= IA32_SPEC_CTRL_IBRS;
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wrmsr(MSR_IA32_SPEC_CTRL, v);
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}
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