Re: [PATCH] linux-user: un-register threads from RCU before exit

2020-02-11 Thread Alex Bennée
Peter Maydell writes: > On Tue, 11 Feb 2020 at 17:36, Alex Bennée wrote: >> >> Through a mechanism I don't quite yet understand we can find ourselves >> with a left over RCU thread when we exit group. This is a racy failure >> that occurs for example with: >> >> alpha-linux-user running

Re: [PATCH] linux-user: un-register threads from RCU before exit

2020-02-11 Thread Paolo Bonzini
On 11/02/20 18:35, Alex Bennée wrote: > Through a mechanism I don't quite yet understand we can find ourselves > with a left over RCU thread when we exit group. This is a racy failure > that occurs for example with: > > alpha-linux-user running testthread > with libhowvec.so plugin >

Re: [PATCH] linux-user: un-register threads from RCU before exit

2020-02-11 Thread Peter Maydell
On Tue, 11 Feb 2020 at 17:36, Alex Bennée wrote: > > Through a mechanism I don't quite yet understand we can find ourselves > with a left over RCU thread when we exit group. This is a racy failure > that occurs for example with: > > alpha-linux-user running testthread > with libhowvec.so