Re: [PATCH v3 04/16] perf: Stop pretending that perf can handle multiple guest callbacks

2021-09-21 Thread Paolo Bonzini
On 22/09/21 02:05, Sean Christopherson wrote: Drop the 'int' return value from the perf (un)register callbacks helpers and stop pretending perf can support multiple callbacks. The 'int' returns are not future proofing anything as none of the callers take action on an error. It's also not obviou

[PATCH v3 04/16] perf: Stop pretending that perf can handle multiple guest callbacks

2021-09-21 Thread Sean Christopherson
Drop the 'int' return value from the perf (un)register callbacks helpers and stop pretending perf can support multiple callbacks. The 'int' returns are not future proofing anything as none of the callers take action on an error. It's also not obvious that there will ever be co-tenant hypervisors,