linux-kernel - Re: [PATCH v4 00/10] Introduce SMT level and add PowerPC support

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Date:   Fri, 28 Jul 2023 16:51:36 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Zhang, Rui" <rui.zhang@...el.com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "ldufour@...ux.ibm.com" <ldufour@...ux.ibm.com>
Cc:     "npiggin@...il.com" <npiggin@...il.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "christophe.leroy@...roup.eu" <christophe.leroy@...roup.eu>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "mpe@...erman.id.au" <mpe@...erman.id.au>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 00/10] Introduce SMT level and add PowerPC support

On Fri, Jul 28 2023 at 14:23, Rui Zhang wrote:
> On Fri, 2023-07-28 at 09:40 +0200, Thomas Gleixner wrote:
>> On Sun, Jul 09 2023 at 15:25, Rui Zhang wrote:
>> > I ran into a boot hang regression with latest upstream code, and it
>> > took me a while to bisect the offending commit and workaround it.
>> 
>> Where is the bug report and the analysis? And what's the workaround?
>
> As it is an iwlwifi regression, I didn't paste the link here.
>
> The regression was reported at
> https://lore.kernel.org/all/b533071f38804247f06da9e52a04f15cce7a3836.camel@intel.com/
>
> And it was fixed later by below commit in 6.5-rc2.

Ah, ok. I was worried that you ran into issues with the parallel bootup
muck.