linux-kernel - Re: [patch V3 00/12] rseq: Implement time slice extension mechanism

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Message-ID: <368CA4A7-3640-45F7-810F-2E2A073FE27C@oracle.com>
Date: Wed, 12 Nov 2025 23:17:41 +0000
From: Prakash Sangappa <prakash.sangappa@...cle.com>
To: Thomas Gleixner <tglx@...utronix.de>
CC: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        LKML
	<linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul
 E. McKenney" <paulmck@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>, Jonathan Corbet <corbet@....net>,
        Madadi Vineeth Reddy
	<vineethr@...ux.ibm.com>,
        K Prateek Nayak <kprateek.nayak@....com>,
        Steven
 Rostedt <rostedt@...dmis.org>,
        Sebastian Andrzej Siewior
	<bigeasy@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>
Subject: Re: [patch V3 00/12] rseq: Implement time slice extension mechanism



> On Nov 12, 2025, at 1:57 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> 
> On Wed, Nov 12 2025 at 06:30, Prakash Sangappa wrote:
>> The problem reproduces on a 2 socket AMD(384 cpus) bare metal system.
>> It occurs soon after system boot up.  Does not reproduce on a 64cpu VM.
> 
> Can you verify that the top most commit of the rseq/slice branch is:
> 
>    d2eb5c9c0693 ("selftests/rseq: Implement time slice extension test")

No it is

c46f12a1166058764da8e84a215a6b66cae2fe0a
    selftests/rseq: Implement time slice extension test

I can refresh and try.
-Prakash

> 
> Thanks,
> 
>        tglx