Re: [PATCH v6 0/6] coroutine rwlock downgrade fix, minor VDI changes

2021-03-30 Thread Stefan Hajnoczi
On Thu, Mar 25, 2021 at 12:29:35PM +0100, Paolo Bonzini wrote: > This is a resubmit of David Edmondson's series at > https://patchew.org/QEMU/20210309144015.557477-1-david.edmond...@oracle.com/. > After closer analysis on IRC, the CoRwlock's attempt to ensure > fairness turned out to be flawed. Th

[PATCH v6 0/6] coroutine rwlock downgrade fix, minor VDI changes

2021-03-25 Thread Paolo Bonzini
This is a resubmit of David Edmondson's series at https://patchew.org/QEMU/20210309144015.557477-1-david.edmond...@oracle.com/. After closer analysis on IRC, the CoRwlock's attempt to ensure fairness turned out to be flawed. Therefore, this series reimplements CoRwlock without using a CoQueue. Tr