On Thu, Feb 23, 2017 at 3:44 PM, Christoffer Dall <cdall@xxxxxxxxxx> wrote: > On Wed, Feb 08, 2017 at 12:45:41PM +0530, linucherian@xxxxxxxxx wrote: >> From: Linu Cherian <linu.cherian@xxxxxxxxxx> >> >> Having only 32 memslots is a real constraint for the maximum >> number of PCI devices that can be assigned to a single guest. >> Assuming each PCI device/virtual function having two memory BAR >> regions, we could assign only 15 devices/virtual functions to a >> guest. >> >> Hence increase KVM_USER_MEM_SLOTS to 508, so that KVM_MEM_SLOTS_NUM is >> 512 as done in other archs like x86 and powerpc. > > Actually on powerpc they just define KVM_USER_MEM_SLOTS as 512 directly. > > On x86 they define them as 509 and have 3 private mem slots. > > I don't understand the difference and as far as I can tell we don't have > any private memslots on arm/arm64, so this is just weird to me. > Since the KVM_PRIVATE_MEM_SLOTS was already defined as 4, just kept it untouched. Should we remove this and keep KVM_USER_MEM_SLOTS as 512 ? _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
