[GIT PULL] Renesas ARM Based SoC Fixes for v4.5

[Simon Horman]

On Wed, Feb 24, 2016 at 08:48:08AM -0800, Olof Johansson wrote:
> On Wed, Feb 24, 2016 at 12:37 AM, Geert Uytterhoeven
> <geert at linux-m68k.org> wrote:
> > Hi Olof,
> >
> > On Wed, Feb 24, 2016 at 9:08 AM, Olof Johansson <olof at lixom.net> wrote:
> >> On Fri, Feb 19, 2016 at 03:09:46PM +0900, Simon Horman wrote:
> >>> Please consider these Renesas ARM based SoC fixes for v4.5.
> >>>
> >>> This pull request is comprised of patches from Geert Uytterhoeven to avoid
> >>> writing to .text.
> >>>
> >>> * "ARM: shmobile: Move shmobile_scu_base from .text to .bss"
> >>>
> >>>   Resolves a problem for XIP kernels as writing to .text is not allowed.
> >>>   For non-XIP kernels a problem does not manifst as the pages are mapped
> >>>   read-only during late kernel startup.
> >>>
> >>> * The remaining patches resolve a kernel-crash that occurs during system
> >>>   suspend for CONFIG_DEBUG_RODATA=y kernels.
> >>>
> >>>
> >>> The following changes since commit 92e963f50fc74041b5e9e744c330dca48e04f08d:
> >>>
> >>>   Linux 4.5-rc1 (2016-01-24 13:06:47 -0800)
> >>>
> >>> are available in the git repository at:
> >>>
> >>>   git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git tags/renesas-soc-fixes-for-v4.5
> >>>
> >>> for you to fetch changes up to 901c5ffaaed117a38be9d0c29247c4888d6c8636:
> >>>
> >>>   ARM: shmobile: Remove shmobile_boot_arg (2016-02-17 18:27:21 +0900)
> >>
> >> Hi Simon, Geert,
> >>
> >> I don't think any of these fixes are for regressions, are they? I.e. this is
> >> work to enable configs that never used to work (XIP, CONFIG_DEBUG_RODATA)?
> >
> > These configs indeed never worked before.
> >
> > However,
> >
> > commit 25362dc496edaf17f714c0fecd8b3eb79670207b
> > Author: Kees Cook <keescook at chromium.org>
> > Date:   Tue Jan 26 01:19:36 2016 +0100
> >
> >     ARM: 8501/1: mm: flip priority of CONFIG_DEBUG_RODATA
> >
> > in arm/for-next will enable CONFIG_DEBUG_RODATA by default.
> >
> > Not having the fixes in v4.5 means that if Russell's tree is merged
> > into mainline
> > for v4.6 before arm-soc, it will cause regressions and bisection issues.
> 
> Ok, either way there'll be windows in which bisect will fail since the
> changes are on independent branches.
> 
> Based on that, and looking at the patches, I'll pick it up now for fixes.

Thanks Olof, much appreciated.