linux-kernel - Re: NULL pointer dereference in cpufreq_update_limits(?) under Xen PV dom0

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Message-ID: <Z-XLD9FVjqKPU3hO@mail-itl>
Date: Thu, 27 Mar 2025 23:02:55 +0100
From: Marek Marczykowski-Górecki <marmarek@...isiblethingslab.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Jan Beulich <jbeulich@...e.com>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	xen-devel <xen-devel@...ts.xenproject.org>,
	Juergen Gross <jgross@...e.com>, regressions@...ts.linux.dev,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: NULL pointer dereference in cpufreq_update_limits(?) under Xen
 PV dom0 - regression in 6.13

On Thu, Mar 27, 2025 at 12:02:24PM +0100, Rafael J. Wysocki wrote:
> cpufreq_update_limits() needs to ensure that the driver is there.
> 
> The attached patch should address this issue, Marek please verify.

Yes, it fixes the problem, thanks!

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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