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Date:   Sun, 14 Jun 2020 10:59:30 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Qian Cai <cai@....pw>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        X86 ML <x86@...nel.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Brian Gerst <brgerst@...il.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Will Deacon <will@...nel.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Wei Liu <wei.liu@...nel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Jason Chen CJ <jason.cj.chen@...el.com>,
        Zhao Yakui <yakui.zhao@...el.com>,
        Alexander Potapenko <glider@...gle.com>
Subject: Re: [patch V9 10/39] x86/entry: Provide helpers for execute on irqstack

Qian Cai <cai@....pw> writes:
> On Sat, Jun 13, 2020 at 04:03:02PM +0200, Thomas Gleixner wrote:
>> Qian,
>> 
>> Qian Cai <cai@....pw> writes:
>> > On Wed, Jun 10, 2020 at 09:38:56PM +0200, Thomas Gleixner wrote:
>> >
>> > Thomas, I get ahold of one of the affected systems now if you want some
>> > testing there.
>> 
>>   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry
>
> Looks good.
>
> <start>
> # cat /sys/kernel/debug/stackdepot/info
> Unique stacks: 27481
> Depot index:   285
> Depot offset:  3024
>
> <after oom02>
> # cat /sys/kernel/debug/stackdepot/info
> Unique stacks: 29242
> Depot index:   308
> Depot offset:  6608
>
> <after the full testsuite>
> # cat /sys/kernel/debug/stackdepot/info
> Unique stacks: 49221
> Depot index:   530
> Depot offset:  5888

Thanks for confirming!

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