linux-kernel - Re: [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP: 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates

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Message-ID: <20230714211109.GC3275140@hirez.programming.kicks-ass.net>
Date:   Fri, 14 Jul 2023 23:11:09 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Arjan van de Ven <arjan@...ux.intel.com>
Cc:     "Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
        Bruno Goncalves <bgoncalv@...hat.com>, x86@...nel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP:
 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates_icpu)

On Tue, Jul 11, 2023 at 11:39:53AM -0700, Arjan van de Ven wrote:
> On
> > I think you mean "revert"?
> > 
> > That can be done, but maybe it can be fixed instead?
> 
> this specific issue I will fix shortly (together with the RDMSR thing)

I still don't know why this needs to be in intel_idle.