From: santosh.shilimkar@oracle.com (santosh shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: provide improved virt_to_idmap() functionality
Date: Thu, 14 Apr 2016 16:20:12 -0700 [thread overview]
Message-ID: <571025AC.5010706@oracle.com> (raw)
In-Reply-To: <E1aqn9y-00012K-8h@rmk-PC.arm.linux.org.uk>
On 4/14/2016 12:42 PM, Russell King wrote:
> For kexec, we need more functionality from the IDMAP system. We need to
> be able to convert physical addresses to their identity mappped versions
> as well as virtual addresses.
>
> Convert the existing arch_virt_to_idmap() to deal with physical
> addresses instead.
>
> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
> ---
> Obviously, this is for Keystone 2 Kexec with its weird physical memory
> layout.
>
Nice !!
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
prev parent reply other threads:[~2016-04-14 23:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 19:42 [PATCH] ARM: provide improved virt_to_idmap() functionality Russell King
2016-04-14 23:20 ` santosh shilimkar [this message]
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