linux-kernel - Re: [PATCH 3/3] acpi/hmat: Skip publishing target info for nodes with no online memory

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Date:   Mon, 26 Aug 2019 11:05:02 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Keith Busch <keith.busch@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH 3/3] acpi/hmat: Skip publishing target info for nodes with no online memory

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@...el.com> wrote:
> >
> > From: Dan Williams <dan.j.williams@...el.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@...ux.intel.com>
> > Reviewed-by: Keith Busch <keith.busch@...el.com>
> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > Signed-off-by: Dan Williams <dan.j.williams@...el.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!