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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Keith Busch <keith.busch@intel.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Dave Hansen <dave.hansen@intel.com>,
	Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH 3/3] acpi/hmat: Skip publishing target info for nodes with no online memory
Date: Mon, 26 Aug 2019 11:05:02 +0200
Message-ID: <1922204.kTHyOg1r71@kreacher> (raw)
In-Reply-To: <CAJZ5v0hCkibcbiYdPmBXdnDHZbGP2q0uNRi01oU0NMz5o3WwGA@mail.gmail.com>

On Monday, August 12, 2019 10:59:58 AM CEST Rafael J. Wysocki wrote:
> On Mon, Aug 5, 2019 at 4:30 PM Keith Busch <keith.busch@intel.com> wrote:
> >
> > From: Dan Williams <dan.j.williams@intel.com>
> >
> > There are multiple scenarios where the HMAT may contain information
> > about proximity domains that are not currently online. Rather than fail
> > to report any HMAT data just elide those offline domains.
> >
> > If and when those domains are later onlined they can be added to the
> > HMEM reporting at that point.
> >
> > This was found while testing EFI_MEMORY_SP support which reserves
> > "specific purpose" memory from the general allocation pool. If that
> > reservation results in an empty numa-node then the node is not marked
> > online leading a spurious:
> >
> >     "acpi/hmat: Ignoring HMAT: Invalid table"
> >
> > ...result for HMAT parsing.
> >
> > Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
> > Reviewed-by: Keith Busch <keith.busch@intel.com>
> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> 
> When you send somebody else's patches, you should sign them off as a
> rule, but since you sent this one with your own R-by, I converted that
> to a S-o-b.
> 

And all patches in the series have been applied.

Thanks!





      reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-05 14:27 [PATCH 0/3] HMAT node online fixes Keith Busch
2019-08-05 14:27 ` [PATCH 1/3] hmat: Register memory-side cache after parsing Keith Busch
2019-08-05 14:27 ` [PATCH 2/3] hmat: Register attributes for memory hot add Keith Busch
2019-08-05 14:27 ` [PATCH 3/3] acpi/hmat: Skip publishing target info for nodes with no online memory Keith Busch
2019-08-12  8:59   ` Rafael J. Wysocki
2019-08-26  9:05     ` Rafael J. Wysocki [this message]

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