On 05.12.2019 23:30, Andrew Cooper wrote: > These hypercalls each use continue_hypercall_on_cpu(), whose API is about to > switch to use -ERESTART. Update the soon-to-be affected paths to cope, > folding existing contination logic where applicable. > > In addition: > * For platform op and sysctl, insert a cpu_relax() into what is otherwise a > tight spinlock loop, and make the continuation logic common at the > epilogue.
Is this really needed with a hypercall_preempt_check() invocation already in the bodies of these loops? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
