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x86: hyperv: report value of misc_features
author
Olaf Hering
<olaf@aepfle.de>
Tue, 7 Apr 2020 17:27:39 +0000
(19:27 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sat, 2 May 2020 06:48:55 +0000
(08:48 +0200)
[ Upstream commit
97d9f1c43bedd400301d6f1eff54d46e8c636e47
]
A few kernel features depend on ms_hyperv.misc_features, but unlike its
siblings ->features and ->hints, the value was never reported during boot.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Link:
https://lore.kernel.org/r/20200407172739.31371-1-olaf@aepfle.de
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/x86/kernel/cpu/mshyperv.c
patch
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diff --git
a/arch/x86/kernel/cpu/mshyperv.c
b/arch/x86/kernel/cpu/mshyperv.c
index
fc8814f
..
1c2f9ba
100644
(file)
--- a/
arch/x86/kernel/cpu/mshyperv.c
+++ b/
arch/x86/kernel/cpu/mshyperv.c
@@
-227,8
+227,8
@@
static void __init ms_hyperv_init_platform(void)
ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES);
ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO);
- pr_info("Hyper-V: features 0x%x, hints 0x%x\n",
- ms_hyperv.features, ms_hyperv.hints);
+ pr_info("Hyper-V: features 0x%x, hints 0x%x
, misc 0x%x
\n",
+ ms_hyperv.features, ms_hyperv.hints
, ms_hyperv.misc_features
);
ms_hyperv.max_vp_index = cpuid_eax(HYPERV_CPUID_IMPLEMENT_LIMITS);
ms_hyperv.max_lp_index = cpuid_ebx(HYPERV_CPUID_IMPLEMENT_LIMITS);