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Message-ID: <YwOkFqqxONtoGImZ@worktop.programming.kicks-ass.net>
Date: Mon, 22 Aug 2022 17:43:18 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Ravi Bangoria <ravi.bangoria@....com>
Cc: acme@...nel.org, alexander.shishkin@...ux.intel.com,
jolsa@...hat.com, namhyung@...nel.org, songliubraving@...com,
eranian@...gle.com, alexey.budankov@...ux.intel.com,
ak@...ux.intel.com, mark.rutland@....com, megha.dey@...el.com,
frederic@...nel.org, maddy@...ux.ibm.com, irogers@...gle.com,
kim.phillips@....com, linux-kernel@...r.kernel.org,
santosh.shukla@....com
Subject: Re: [RFC v2] perf: Rewrite core context handling
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
I need to go make dinner, but I'll try and remember how it all was
support to work later this evening when the loonies are in bed,
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