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From: Julien Grall <julien.grall@arm.com>
To: Wei Chen <wei.chen@linaro.org>, xen-devel@lists.xen.org
Cc: sstabellini@kernel.org, steve.capper@arm.com
Subject: Re: [PATCH 1/4] xen/arm: Change the variable type of cpu_logical_map to register_t
Date: Wed, 25 May 2016 14:52:47 +0100	[thread overview]
Message-ID: <5745AE2F.7020102@arm.com> (raw)
In-Reply-To: <1464142148-32678-1-git-send-email-Wei.Chen@linaro.org>

Hi Wei,

On 25/05/16 03:09, Wei Chen wrote:
> The cpu_logical_map is used to store CPU hardware ID from MPIDR_EL1 or
> from CPU node of DT. Currently, the cpu_logical_map is using the u32 as
> its variable type. It can work properly while Xen is running on ARM32,
> because the hardware ID is 32-bits. While Xen is running on ARM64, the
> hardware ID expands to 64-bits and then the cpu_logical_map will overflow.
>
> Change the the variable type of cpu_logical_map to register_t will make

NIT: s/the the/the/

> cpu_logical_map to store hardware ID correctly on ARM32 and ARM64.

s/ID/IDs/

>
> Signed-off-by: Wei Chen <Wei.Chen@linaro.org>

The code looks good to me. With the typos fixed:

Acked-by: Julien Grall <julien.grall@arm.com>

Regards,

-- 
Julien Grall

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      reply	other threads:[~2016-05-25 13:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-25  2:09 [PATCH 1/4] xen/arm: Change the variable type of cpu_logical_map to register_t Wei Chen
2016-05-25 13:52 ` Julien Grall [this message]

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