On 8 December 2014 at 15:38, Igor Mammedov <imamm...@redhat.com> wrote: > On Mon, 8 Dec 2014 10:50:21 +0000 > Peter Maydell <peter.mayd...@linaro.org> wrote: >> Why can't the kernel handle our just destroying the vcpu and >> later recreating it if necessary? That seems the more logical >> approach than trying to keep fds hanging around in userspace >> for reuse. > > It's somewhat complex approach and it was suggested on KVM list to go > parking route. for more details see thread > https://www.mail-archive.com/kvm@vger.kernel.org/msg102839.html
If the kernel can't cope with userspace creating and destroying vCPUs dynamically then that seems like a kernel bug to me. It seems better to me to fix that directly rather than make non-x86 architectures change things around to help with working around that bug... thanks -- PMM
