Re: [PATCH] perf: Break deadlock involving exec_update_mutex

2020-12-10 Thread Eric W. Biederman
Davidlohr Bueso writes: > On Tue, 08 Dec 2020, Peter Zijlstra wrote: > >>I suppose I'll queue the below into tip/perf/core for next merge window, >>unless you want it in a hurry? > > I'm thinking we'd still want Eric's series on top of this for the reader > benefits of the lock. We will see

Re: [PATCH] perf: Break deadlock involving exec_update_mutex

2020-12-10 Thread Davidlohr Bueso
On Tue, 08 Dec 2020, Peter Zijlstra wrote: I suppose I'll queue the below into tip/perf/core for next merge window, unless you want it in a hurry? I'm thinking we'd still want Eric's series on top of this for the reader benefits of the lock. Thanks, Davidlohr

Re: [PATCH] perf: Break deadlock involving exec_update_mutex

2020-12-08 Thread Linus Torvalds
On Tue, Dec 8, 2020 at 12:34 AM Peter Zijlstra wrote: > > I suppose I'll queue the below into tip/perf/core for next merge window, > unless you want it in a hurry? LGTM, and there's no hurry. This is not a new thing, and I don't think it has been a problem in practice. Linus

[PATCH] perf: Break deadlock involving exec_update_mutex

2020-12-08 Thread Peter Zijlstra
On Mon, Dec 07, 2020 at 10:40:11AM -0800, Linus Torvalds wrote: > On Mon, Dec 7, 2020 at 1:10 AM Peter Zijlstra wrote: > > > > > PeterZ, is there something I'm missing? > > > > Like this? > > > > > > https://lkml.kernel.org/r/20200828123720.gz1362...@hirez.programming.kicks-ass.net > > Yes,