From: Mark Rutland <mark.rutland@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Mark Brown <broonie@linaro.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH] ARM: topology: Make it clear that all CPUs need to be described
Date: Fri, 21 Mar 2014 13:32:02 +0000 [thread overview]
Message-ID: <20140321133202.GQ23372@e106331-lin.cambridge.arm.com> (raw)
In-Reply-To: <1395320374-29576-1-git-send-email-broonie@kernel.org>
On Thu, Mar 20, 2014 at 12:59:34PM +0000, Mark Brown wrote:
> From: Mark Brown <broonie@linaro.org>
>
> The ARMv8 code will reject topologies that omit some CPUs (and it's not
> clear that it's ever sensible to do so). Update the binding document to
> make this clear.
>
> Signed-off-by: Mark Brown <broonie@linaro.org>
> ---
> Documentation/devicetree/bindings/arm/topology.txt | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/topology.txt b/Documentation/devicetree/bindings/arm/topology.txt
> index 4aa20e7a424e..1bd5edc225c1 100644
> --- a/Documentation/devicetree/bindings/arm/topology.txt
> +++ b/Documentation/devicetree/bindings/arm/topology.txt
> @@ -75,9 +75,10 @@ The cpu-map node can only contain three types of child nodes:
>
> whose bindings are described in paragraph 3.
>
> -The nodes describing the CPU topology (cluster/core/thread) can only be
> -defined within the cpu-map node.
> -Any other configuration is consider invalid and therefore must be ignored.
> +The nodes describing the CPU topology (cluster/core/thread) can only
> +be defined within the cpu-map node and every core/thread in the system
> +must be defined within the topology. Any other configuration is
> +consider invalid and therefore must be ignored.
s/consider/considered/ (or drop the word entirely?).
Otherwise this looks sane to me, given there are currently no users of
this information relying on partial topology descriptions.
Cheers,
Mark.
next prev parent reply other threads:[~2014-03-21 13:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-20 12:59 [PATCH] ARM: topology: Make it clear that all CPUs need to be described Mark Brown
2014-03-21 13:32 ` Mark Rutland [this message]
[not found] ` <20140321133202.GQ23372-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2014-03-21 13:39 ` Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2014-03-28 14:21 Mark Brown
[not found] ` <1396016467-23257-1-git-send-email-broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-03-31 9:30 ` Lorenzo Pieralisi
[not found] ` <20140331093046.GA2245-7AyDDHkRsp3ZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2014-04-10 23:01 ` Rob Herring
[not found] ` <CAL_JsqLj56d6Mb5Vjd4UnBvQ6myAc4j3moY+3EM9zgHxrNgHbw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-04-10 23:18 ` Mark Brown
[not found] ` <20140410231808.GJ6518-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-04-11 0:24 ` Rob Herring
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