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x86/spec-ctrl: correct per-guest-type reporting of MD_CLEAR
There are command line controls for this and the default also isn't "always
enable when hardware supports it", which logging should take into account.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
master commit: fdbf8bdfeb
master date: 2022-07-19 08:36:53 +0200
This commit is contained in:
Jan Beulich committed
1 parent
bfbcae445c
commit
9ab8e95d8f
1 file changed
+4
-6
@@ -511,13 +511,12 @@ static void __init print_details(enum ind_thunk thunk, uint64_t caps)
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printk(" Support for HVM VMs:%s%s%s%s%s%s\n",
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(boot_cpu_has(X86_FEATURE_SC_MSR_HVM) ||
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boot_cpu_has(X86_FEATURE_SC_RSB_HVM) ||
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boot_cpu_has(X86_FEATURE_MD_CLEAR) ||
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boot_cpu_has(X86_FEATURE_IBPB_ENTRY_HVM) ||
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opt_eager_fpu) ? "" : " None",
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opt_eager_fpu || opt_md_clear_hvm) ? "" : " None",
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boot_cpu_has(X86_FEATURE_SC_MSR_HVM) ? " MSR_SPEC_CTRL" : "",
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boot_cpu_has(X86_FEATURE_SC_RSB_HVM) ? " RSB" : "",
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opt_eager_fpu ? " EAGER_FPU" : "",
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boot_cpu_has(X86_FEATURE_MD_CLEAR) ? " MD_CLEAR" : "",
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opt_md_clear_hvm ? " MD_CLEAR" : "",
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boot_cpu_has(X86_FEATURE_IBPB_ENTRY_HVM) ? " IBPB-entry" : "");
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#endif
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@@ -525,13 +524,12 @@ static void __init print_details(enum ind_thunk thunk, uint64_t caps)
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printk(" Support for PV VMs:%s%s%s%s%s%s\n",
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(boot_cpu_has(X86_FEATURE_SC_MSR_PV) ||
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boot_cpu_has(X86_FEATURE_SC_RSB_PV) ||
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boot_cpu_has(X86_FEATURE_MD_CLEAR) ||
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boot_cpu_has(X86_FEATURE_IBPB_ENTRY_PV) ||
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opt_eager_fpu) ? "" : " None",
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opt_eager_fpu || opt_md_clear_pv) ? "" : " None",
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boot_cpu_has(X86_FEATURE_SC_MSR_PV) ? " MSR_SPEC_CTRL" : "",
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boot_cpu_has(X86_FEATURE_SC_RSB_PV) ? " RSB" : "",
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opt_eager_fpu ? " EAGER_FPU" : "",
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boot_cpu_has(X86_FEATURE_MD_CLEAR) ? " MD_CLEAR" : "",
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opt_md_clear_pv ? " MD_CLEAR" : "",
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boot_cpu_has(X86_FEATURE_IBPB_ENTRY_PV) ? " IBPB-entry" : "");
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printk(" XPTI (64-bit PV only): Dom0 %s, DomU %s (with%s PCID)\n",
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