[PATCH v2] x86/hyperv: Set pv_info.name to "Hyper-V"
From: Andrea Parri <parri.andrea@gmail.com>
Date: 2019-10-15 10:35:37
Also in:
lkml
Subsystem:
hyper-v/azure core and drivers, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Michael reported that the x86/hyperv initialization code printed the following dmesg when running in a VM on Hyper-V: [ 0.000738] Booting paravirtualized kernel on bare hardware Let the x86/hyperv initialization code set pv_info.name to "Hyper-V"; with this addition, the dmesg read: [ 0.000172] Booting paravirtualized kernel on Hyper-V Reported-by: Michael Kelley <redacted> Signed-off-by: Andrea Parri <parri.andrea@gmail.com> --- Changes since v1 ([1]): - move the setting of pv_info.name to ms_hyperv_init_platform() (Wei Liu) [1] https://lkml.kernel.org/r/20191015092937.11244-1-parri.andrea@gmail.com arch/x86/kernel/cpu/mshyperv.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 267daad8c0360..e7f0776e2a811 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c@@ -216,6 +216,8 @@ static void __init ms_hyperv_init_platform(void) int hv_host_info_ecx; int hv_host_info_edx; + pv_info.name = "Hyper-V"; + /* * Extract the features and hints */
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2.23.0