Messages in this thread | | | Date | Thu, 11 Nov 2021 17:32:00 +0100 | Subject | Re: [PATCH 0/5] KVM: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS and re-purpose it on x86 | From | Paolo Bonzini <> |
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On 11/11/21 17:27, Vitaly Kuznetsov wrote: > This is a comtinuation of "KVM: x86: Drop arbitraty KVM_SOFT_MAX_VCPUS" > (https://lore.kernel.org/kvm/20211111134733.86601-1-vkuznets@redhat.com/) > work. > > 1) Enforce KVM_CAP_NR_VCPUS <= KVM_CAP_MAX_VCPUS rule on all > architectures. [Sean Christopherson] > 2) Make KVM_CAP_NR_VCPUS return num_online_cpus() and not an arbitrary > value of '710' on x86. > > Everything but x86 was only 'eyeball tested', the change is trivial > but sorry in advance if I screwed up)
Christian, can you look at this for s390? Returning a fixed value seems wrong for KVM_CAP_NR_VCPUS.
Thanks,
Paolo
> Vitaly Kuznetsov (5): > KVM: arm64: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS > KVM: MIPS: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS > KVM: PPC: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS > KVM: RISC-V: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS > KVM: x86: Drop arbitraty KVM_SOFT_MAX_VCPUS > > arch/arm64/kvm/arm.c | 7 ++++++- > arch/mips/kvm/mips.c | 2 +- > arch/powerpc/kvm/powerpc.c | 4 ++-- > arch/riscv/kvm/vm.c | 2 +- > arch/x86/include/asm/kvm_host.h | 1 - > arch/x86/kvm/x86.c | 2 +- > 6 files changed, 11 insertions(+), 7 deletions(-) >
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