linux-kernel - Re: [PATCH] x86/dmi: Switch dmi_remap to ioremap

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Message-ID: <8c5c96d3-b90c-0497-4720-0d524d617e08@fau.de>
Date:   Thu, 9 Mar 2017 19:03:46 +0100
From:   Julian Brost <julian.brost@....de>
To:     Arjan van de Ven <arjan@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Jean Delvare <jdelvare@...e.de>, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Lutomirski <luto@...capital.net>,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "Luis R. Rodriguez" <mcgrof@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Toshi Kani <toshi.kani@...com>, Ingo Molnar <mingo@...nel.org>,
        problems@....cs.fau.de
Subject: Re: [PATCH] x86/dmi: Switch dmi_remap to ioremap_cache

On 09.03.2017 18:51, Arjan van de Ven wrote:
> On 3/9/2017 9:48 AM, Julian Brost wrote:
> 
>> I'm note entirely sure whether it's actually the kernel or HP to blame,
>> but for now, hp-health is completely broken on 4.9 (probably on
>> everything starting from 4.6), so this patch should be reviewed again.
> 
> it looks like another kernel driver is doing a conflicting mapping.
> do these HP tools come with their own kernel drivers or are those in the
> upstream kernel nowadays?
> 

We don't have any third-party modules loaded. The hp-health package from
https://downloads.linux.hpe.com/SDR/repo/mcp/debian/ does not include
any kernel modules either.

Regards,
Julian


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