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From: Bharata B Rao <bharata@linux.vnet.ibm.com>
To: Balbir Singh <bsingharora@gmail.com>
Cc: "open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)"
	<linuxppc-dev@lists.ozlabs.org>,
	Nathan Fontenot <nfont@linux.vnet.ibm.com>,
	Michael Bringmann <mwb@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH v0 0/2] ibm,dynamic-memory-v2 fix
Date: Wed, 21 Feb 2018 19:11:02 +0530	[thread overview]
Message-ID: <20180221134102.GB30038@in.ibm.com> (raw)
In-Reply-To: <CAKTCnzm8TJBWG2VG9Bts2zQF01Tsya72bJJSTRimE32XuFC-YA@mail.gmail.com>

On Wed, Feb 21, 2018 at 11:27:20PM +1100, Balbir Singh wrote:
> On Wed, Feb 21, 2018 at 9:36 PM, Bharata B Rao
> <bharata@linux.vnet.ibm.com> wrote:
> > Patch 1 fixes a bug that results in unexpected flag bit in
> > ibm,dynamic-memory-v2 DT property and wrong number of entries
> > getting created in the same property during hotplug.
> >
> 
> Could you please elaborate on what this means?

Described in 1/2 patch.

> Is there a test case -
> how do we reproduce this?

Hotplug some memory and check the entries in ibm,dynamic-memory-v2 and also
check the flags there, you will see DRMEM_LMB_RESERVED set, which
shouldn't be set.

You would need QEMU which supports ibm,dynamic-memory-v2. I have posted
the initial patches for that at:

http://lists.gnu.org/archive/html/qemu-ppc/2018-02/msg00236.html

Regards,
Bharata.

      reply	other threads:[~2018-02-21 13:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-21 10:36 [RFC PATCH v0 0/2] ibm,dynamic-memory-v2 fix Bharata B Rao
2018-02-21 10:36 ` [RFC PATCH v0 1/2] powerpc, drmem: Fix unexpected flag value in ibm, dynamic-memory-v2 Bharata B Rao
2018-02-21 11:48   ` Michael Ellerman
2018-02-21 13:36     ` Bharata B Rao
2018-02-22 13:51   ` Nathan Fontenot
2018-02-26  5:35   ` [RFC, v0, " Michael Ellerman
2018-02-21 10:36 ` [RFC PATCH v0 2/2] powerpc, drmem: Rename DRMEM_LMB_RESERVED to DRMEM_LMB_ISOLATED Bharata B Rao
2018-02-22 13:52   ` Nathan Fontenot
2022-03-11 17:09   ` Christophe Leroy
2018-02-21 12:27 ` [RFC PATCH v0 0/2] ibm,dynamic-memory-v2 fix Balbir Singh
2018-02-21 13:41   ` Bharata B Rao [this message]

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