[PATCH] arm64/cpufeature: Verify KVM capabilities during CPU hotplug

2020-05-06 Thread Anshuman Khandual
This validates KVM capabilities like VMID width, IPA range for hotplug CPU against system finalized values. While here, it factors out get_vmid_bits() for general use and also defines ID_AA64MMFR0_PARANGE_MASK. Cc: Catalin Marinas Cc: Will Deacon Cc: Marc Zyngier Cc: Mark Rutland Cc: James Mor

Re: [PATCH] arm64/cpufeature: Verify KVM capabilities during CPU hotplug

2020-05-07 Thread Marc Zyngier
On Thu, 7 May 2020 11:49:47 +0530 Anshuman Khandual wrote: Hi Anshuman, > This validates KVM capabilities like VMID width, IPA range for hotplug CPU > against system finalized values. While here, it factors out get_vmid_bits() > for general use and also defines ID_AA64MMFR0_PARANGE_MASK. nit:

Re: [PATCH] arm64/cpufeature: Verify KVM capabilities during CPU hotplug

2020-05-07 Thread Anshuman Khandual
On 05/07/2020 03:50 PM, Marc Zyngier wrote: > On Thu, 7 May 2020 11:49:47 +0530 > Anshuman Khandual wrote: > > Hi Anshuman, Hi Marc, > >> This validates KVM capabilities like VMID width, IPA range for hotplug CPU >> against system finalized values. While here, it factors out get_vmid_bits()