Re: [PATCH 03/13] x86/HV: Add new hvcall guest address host visibility support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 7/29/21 8:02 AM, Tianyu Lan wrote:
>>
> 
> There is x86_hyper_type to identify hypervisor type and we may check
> this variable after checking X86_FEATURE_HYPERVISOR.
> 
> static inline bool hv_is_isolation_supported(void)
> {
>     if (!cpu_feature_enabled(X86_FEATURE_HYPERVISOR))
>         return 0;
> 
>         if (x86_hyper_type != X86_HYPER_MS_HYPERV)
>                 return 0;
> 
>     // out of line function call:
>     return __hv_is_isolation_supported();
> }   

Looks fine.  You just might want to use this existing helper:

static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
{
        return x86_hyper_type == type;
}




[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux