From: santosh.shilimkar@oracle.com (santosh.shilimkar at oracle.com)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: make virt_to_idmap() return unsigned long
Date: Tue, 26 Jan 2016 20:27:52 -0800 [thread overview]
Message-ID: <56A84748.3040108@oracle.com> (raw)
In-Reply-To: <E1aO8F2-00074N-E8@rmk-PC.arm.linux.org.uk>
On 1/26/16 10:21 AM, Russell King wrote:
> Make virt_to_idmap() return an unsigned long rather than phys_addr_t.
>
> Returning phys_addr_t here makes no sense, because the definition of
> virt_to_idmap() is that it shall return a physical address which maps
> identically with the virtual address. Since virtual addresses are
> limited to 32-bit, identity mapped physical addresses are as well.
>
> Almost all users already had an implicit narrowing cast to unsigned long
> so let's make this official and part of this interface.
>
> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
> ---
Looks correct to me.
Vitaly,
Could you please try out this patch and see everything continue to
work ?
Regards,
Santosh
next prev parent reply other threads:[~2016-01-27 4:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 18:21 [PATCH 1/2] ARM: make virt_to_idmap() return unsigned long Russell King
2016-01-27 4:27 ` santosh.shilimkar at oracle.com [this message]
2016-02-01 15:20 ` Russell King - ARM Linux
2016-02-01 17:01 ` Vitaly Andrianov
2016-02-01 17:10 ` santosh shilimkar
2016-02-01 17:31 ` Russell King - ARM Linux
2016-02-01 17:55 ` santosh.shilimkar at oracle.com
2016-02-03 0:09 ` santosh shilimkar
2016-02-03 14:14 ` Grygorii Strashko
2016-02-03 15:43 ` Vitaly Andrianov
2016-02-03 19:59 ` Russell King - ARM Linux
2016-02-04 11:53 ` Grygorii Strashko
2016-02-08 17:10 ` Russell King - ARM Linux
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