From: Nathan Lynch <nathanl@linux.ibm.com>
To: Michal Suchanek <msuchanek@suse.de>
Cc: David Hildenbrand <david@redhat.com>,
Libor Pechacek <lpechacek@suse.cz>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Michal Suchanek <msuchanek@suse.cz>,
Paul Mackerras <paulus@samba.org>,
Leonardo Bras <leonardo@linux.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Michal Suchanek <msuchanek@suse.de>,
linuxppc-dev@lists.ozlabs.org,
Allison Randal <allison@lohutok.net>
Subject: Re: [PATCH v2] powerpc: drmem: avoid NULL pointer dereference when drmem is unavailable
Date: Wed, 05 Feb 2020 10:55:47 -0600 [thread overview]
Message-ID: <87r1z92cto.fsf@linux.ibm.com> (raw)
In-Reply-To: <20200131132829.10281-1-msuchanek@suse.de>
Michal Suchanek <msuchanek@suse.de> writes:
> From: Libor Pechacek <lpechacek@suse.cz>
>
> In guests without hotplugagble memory drmem structure is only zero
> initialized. Trying to manipulate DLPAR parameters results in a crash.
>
[...]
>
> Fixes: 6c6ea53725b3 ("powerpc/mm: Separate ibm, dynamic-memory data from DT format")
> Cc: Michal Suchanek <msuchanek@suse.cz>
> Cc: stable@vger.kernel.org
> Signed-off-by: Libor Pechacek <lpechacek@suse.cz>
> Signed-off-by: Michal Suchanek <msuchanek@suse.de>
> ---
> v2: rename last_lmb -> limit, clarify error condition.
Acked-by: Nathan Lynch <nathanl@linux.ibm.com>
Thanks!
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Lynch <nathanl@linux.ibm.com>
To: Michal Suchanek <msuchanek@suse.de>
Cc: David Hildenbrand <david@redhat.com>,
Michal Suchanek <msuchanek@suse.cz>,
stable@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
Leonardo Bras <leonardo@linux.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Michal Suchanek <msuchanek@suse.de>,
Allison Randal <allison@lohutok.net>,
linuxppc-dev@lists.ozlabs.org, Libor Pechacek <lpechacek@suse.cz>
Subject: Re: [PATCH v2] powerpc: drmem: avoid NULL pointer dereference when drmem is unavailable
Date: Wed, 05 Feb 2020 10:55:47 -0600 [thread overview]
Message-ID: <87r1z92cto.fsf@linux.ibm.com> (raw)
In-Reply-To: <20200131132829.10281-1-msuchanek@suse.de>
Michal Suchanek <msuchanek@suse.de> writes:
> From: Libor Pechacek <lpechacek@suse.cz>
>
> In guests without hotplugagble memory drmem structure is only zero
> initialized. Trying to manipulate DLPAR parameters results in a crash.
>
[...]
>
> Fixes: 6c6ea53725b3 ("powerpc/mm: Separate ibm, dynamic-memory data from DT format")
> Cc: Michal Suchanek <msuchanek@suse.cz>
> Cc: stable@vger.kernel.org
> Signed-off-by: Libor Pechacek <lpechacek@suse.cz>
> Signed-off-by: Michal Suchanek <msuchanek@suse.de>
> ---
> v2: rename last_lmb -> limit, clarify error condition.
Acked-by: Nathan Lynch <nathanl@linux.ibm.com>
Thanks!
next prev parent reply other threads:[~2020-02-05 16:57 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 10:27 [PATCH] powerpc: drmem: avoid NULL pointer dereference when drmem is unavailable Libor Pechacek
2020-01-16 10:27 ` Libor Pechacek
2020-01-22 15:21 ` Michal Suchánek
2020-01-22 15:21 ` Michal Suchánek
2020-01-23 15:56 ` Nathan Lynch
2020-01-23 15:56 ` Nathan Lynch
2020-01-23 16:10 ` Michal Suchánek
2020-01-23 16:10 ` Michal Suchánek
2020-01-28 10:19 ` Libor Pechacek
2020-01-28 10:19 ` Libor Pechacek
2020-01-31 13:28 ` [PATCH v2] " Michal Suchanek
2020-01-31 13:28 ` Michal Suchanek
2020-02-05 16:55 ` Nathan Lynch [this message]
2020-02-05 16:55 ` Nathan Lynch
2020-03-06 0:27 ` Michael Ellerman
2020-03-06 0:27 ` Michael Ellerman
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