[PATCH v3 0/4] ARM: pxa: Fix out of vmalloc space bug
Nicolas Pitre
nicolas.pitre at linaro.org
Wed Apr 9 12:05:26 PDT 2014
On Wed, 9 Apr 2014, Laurent Pinchart wrote:
> Hello,
>
> (Resending due to a typo in an e-mail address that caused LAKML to reject the
> mails. Sorry about the noise.)
>
> This patch set reworks Ezequiel Garcia's previous fix [1] of an out of vmalloc
> space bug on PXA2[57]x platforms caused by an attempt to map the start of
> physical uncached outside of the vmalloc space.
>
> This first three patches perform a couple of cleanups, and the last patch
> fixes the problem. I've decided to map the memory at address 0xfe000000 to
> minimize changes to the code, but this causes a bit of fragmentation of
> vmalloc space. I could map it to the very end of vmalloc space (0xfef00000)
> instead if preferred, which would involve replacing a mov by an ldr in
> pxa2[57]x_finish_suspend and pm_enter_standby_start.
>
> I've tested the patch set on a PXA270-based system.
For those patches:
Acked-by: Nicolas Pitre <nico at linaro.org>
>
> [1] https://lkml.org/lkml/2013/11/28/474
>
> Ezequiel Garcia (1):
> ARM: pxa: Move iotable mapping inside vmalloc region
>
> Laurent Pinchart (3):
> ARM: pxa: Don't hardcode addresses and size in map_desc tables
> ARM: pxa: Move UNCACHED_PHYS_0 mapping from generic.c to pxa2[57]x.c
> ARM: pxa: pxa27x: Don't map IMEMC region statically
>
> arch/arm/mach-pxa/generic.c | 11 +++--------
> arch/arm/mach-pxa/include/mach/hardware.h | 4 ++--
> arch/arm/mach-pxa/pxa25x.c | 7 ++++++-
> arch/arm/mach-pxa/pxa27x.c | 10 +++++-----
> arch/arm/mach-pxa/pxa3xx.c | 2 +-
> 5 files changed, 17 insertions(+), 17 deletions(-)
>
> --
> Regards,
>
> Laurent Pinchart
>
>
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