Messages in this thread |  | | Subject | Re: [PATCH 4/6] x86/kvm: introduce per cpu vcpu masks | From | Juergen Gross <> | Date | Mon, 26 Jul 2021 15:38:54 +0200 |
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On 26.07.21 15:32, Paolo Bonzini wrote: > On 01/07/21 17:41, Juergen Gross wrote: >> In order to support high vcpu numbers per guest don't use on stack >> vcpu bitmasks. As all those currently used bitmasks are not used in >> functions subject to recursion it is fairly easy to replace them with >> percpu bitmasks. >> >> Disable preemption while such a bitmask is being used in order to >> avoid double usage in case we'd switch cpus. >> >> Signed-off-by: Juergen Gross <jgross@suse.com> > > Please use a local_lock instead of disabling preemption.
Okay.
Juergen [unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] |  |