Re: [RFC v2] perf: Rewrite core context handling

Peter Zijlstra
2022-08-23T06:31:11Z

On Mon, Aug 22, 2022 at 10:07:45PM +0530, Ravi Bangoria wrote:
> On 22-Aug-22 9:13 PM, Peter Zijlstra wrote:
> > On Mon, Aug 22, 2022 at 05:29:11PM +0200, Peter Zijlstra wrote:
> >> On Tue, Aug 02, 2022 at 11:41:42AM +0530, Ravi Bangoria wrote:
> >>>
> >>>> pulling up the ctx->mutex makes things simpler, but also violates the
> >>>> locking order vs exec_update_lock.
> >>>>
> >>>> Pull that lock up as well...
> >>>
> >>> I'm not able to apply this patch as is but I get the idea. Few
> >>> questions below...
> >>
> >> I was just about to rebase the 'series' to current, let me do that and
> >> get back to you on the specifics.
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=perf/wip.rewrite
>
> Additional set of changes on top of this tree is required to build and boot,
> atleast on my AMD machine:

Right; clearly I didn't even test build that thing... your changes look
fine and added then on top, above tree should be updated.