[PATCH lucid/fsl-imx51] ARM: 5746/1: Handle possible translation errors in ARMv6/v7 coherent_user_range

[Tim Gardner]

On 03/08/2011 02:03 AM, Jeremy Kerr wrote:
> From: Catalin Marinas<catalin.marinas at arm.com>
>
> BugLink: http://launchpad.net/bugs/605042
>
> This is needed because applications using the sys_cacheflush system call
> can pass a memory range which isn't mapped yet even though the
> corresponding vma is valid. The patch also adds unwinding annotations
> for correct backtraces from the coherent_user_range() functions.
>
> Signed-off-by: Catalin Marinas<catalin.marinas at arm.com>
> Signed-off-by: Russell King<rmk+kernel at arm.linux.org.uk>
>
> cherry-picked from upstream commit 32cfb1b16f2b68d2296536811cadfffe26a06c1b
>
> Signed-off-by: Jeremy Kerr<jeremy.kerr at canonical.com>
>

Applied and uploaded linux-fsl-imx51_2.6.31-608.23 to 
https://launchpad.net/~canonical-kernel-team/+archive/ppa

rtg
-- 
Tim Gardner tim.gardner at canonical.com