linux-kernel - Re: [PATCH 0/2] Revert patches fixing probing of interrupts

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Message-ID: <20191202185520.57w2h3dgs5q7lhob@cantor>
Date:   Mon, 2 Dec 2019 11:55:20 -0700
From:   Jerry Snitselaar <jsnitsel@...hat.com>
To:     Stefan Berger <stefanb@...ux.ibm.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 0/2] Revert patches fixing probing of interrupts

On Sun Dec 01 19, Stefan Berger wrote:
>On 11/29/19 5:37 PM, Jarkko Sakkinen wrote:
>>On Tue, Nov 26, 2019 at 08:17:51AM -0500, Stefan Berger wrote:
>>>From: Stefan Berger <stefanb@...ux.ibm.com>
>>>
>>>Revert the patches that were fixing the probing of interrupts due
>>>to reports of interrupt stroms on some systems
>>Can you explain how reverting is going to fix the issue?
>
>
>The reverts fix 'the interrupt storm issue' that they are causing on 
>some systems but don't fix the issue with the interrupt mode not being 
>used. I was hoping Jerry would get access to a system faster but this 
>didn't seem to be the case. So sending these patches seemed the better 
>solution than leaving 5.4.x with the problem but going back to when it 
>worked 'better.'
>

I finally heard back from IT support, and unfortunately they don't
have any T490s systems to give out on temp loan. So I can only send
patched kernels to the end user that had the problem.

>
>>
>>This is wrong way to move forward. The root cause must be identified
>>first and then decide actions like always in any situation.
>>
>>/Jarkko
>
>