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 <mikelley@xxxxxxxxxxxxx> Signed-off-by: Andrea Parri <parri.andrea@xxxxxxxxx> --- 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@xxxxxxxxx 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 */ -- 2.23.0
