Re: [PATCH 0/5] KVM: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS and re-purpose it on x86
Christian Borntraeger <[email protected]>
| Newsgroups | org.kernel.vger.kvm-ppc,org.infradead.lists.kvm-riscv,org.infradead.lists.linux-arm-kernel,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips |
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| Message-ID | <[email protected]> |
Am 11.11.21 um 17:32 schrieb Paolo Bonzini: > 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/[email protected]/) >> 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. will do. (Sorry I was OOO the last days). > > 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(-) >> >