linux-kernel - Re: vchiq: Performance regression since 5.18-rc1

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Message-ID: <Yo48k4InPmj8lDxZ@linutronix.de>
Date:   Wed, 25 May 2022 16:26:27 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Marcelo Tosatti <mtosatti@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Minchan Kim <minchan@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Juri Lelli <juri.lelli@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Phil Elwell <phil@...pberrypi.com>, regressions@...ts.linux.dev
Subject: Re: vchiq: Performance regression since 5.18-rc1

On 2022-05-25 16:07:47 [+0200], Stefan Wahren wrote:
> this was the same as Paul send. I think i need more time for investigation,
> maybe there is an issue with the application.

I haven't seen Paul referring to *that* patch. He pointed to some fs/
related changes.

Sebastian