From: alexandre.torgue@st.com (Alexandre Torgue)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/8] ARM: NOMMU: MPU updates
Date: Fri, 1 Sep 2017 15:45:15 +0200 [thread overview]
Message-ID: <7cd7cb6f-b4d5-ab71-12c3-e025c99efb90@st.com> (raw)
In-Reply-To: <1500642756-9264-1-git-send-email-vladimir.murzin@arm.com>
Hi Vlad
On 07/21/2017 03:12 PM, Vladimir Murzin wrote:
> Hi,
>
> This is an update of the existent MPU code which consist set of
> clean-ups and enhancements. The most significant changes are in the
> way how MPU settings sync-up for secondaries (PATCH 3/8), more
> flexible layout for memory (PATCH 7/8) and support for XIP (PATCH
> 8/8). Since there is no in-tree user of MPU, support for M-class has
> been added (PATCH 6/8).
>
> There is also practical benefit of patch set:
>
> "These MPU patches introduce a nice feature that it simplifies the
> bootloader: do not need to setup the MPU, for example for coherent DMA
> region, which is described in device-tree too." Andr?s Szemz?
>
> Changelog:
> v1 -> v2
> - support for XIP (PATCH 7/8)
> - rebased on 4.13-rc1
>
> RFC v2 -> v1
> - dropped RFC tag
> - Tested-by from Andr?s
> - rebased on 4.12-rc5
>
> RFC -> RFC v2
> - fixed MPU enable for v7m (PATCH 6/7)
>
> Thanks!
>
> Vladimir Murzin (8):
> ARM: NOMMU: Move out MPU setup in separate module
> ARM: NOMMU: Update MPU accessors to use cp15 helpers
> ARM: NOMMU: Rework MPU to be mostly done in C
> ARM: NOMMU: Disallow MPU for XIP
> ARM: Kconfig: Kill CONFIG_VECTORS_BASE
> ARM: V7M: Add support for MPU to M-class
> ARM: NOMMU: Use more MPU regions to cover memory
> ARM: NOMMU: Support MPU in XIP configuration
>
For no-XIP patches:
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
I still have issue with XIP ones, then I continue to analysis ans let
you know asap.
Regards
Alex
> arch/arm/Kconfig | 9 -
> arch/arm/Kconfig-nommu | 17 +-
> arch/arm/include/asm/cputype.h | 10 +
> arch/arm/include/asm/mpu.h | 24 +-
> arch/arm/include/asm/smp.h | 2 +-
> arch/arm/include/asm/v7m.h | 10 +
> arch/arm/kernel/asm-offsets.c | 11 +
> arch/arm/kernel/head-nommu.S | 138 ++++++++---
> arch/arm/kernel/smp.c | 2 +-
> arch/arm/kernel/vmlinux-xip.lds.S | 3 +
> arch/arm/mm/Makefile | 1 +
> arch/arm/mm/nommu.c | 254 +-------------------
> arch/arm/mm/pmsa-v7.c | 471 ++++++++++++++++++++++++++++++++++++++
> 13 files changed, 651 insertions(+), 301 deletions(-)
> create mode 100644 arch/arm/mm/pmsa-v7.c
>
next prev parent reply other threads:[~2017-09-01 13:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 13:12 [PATCH v2 0/8] ARM: NOMMU: MPU updates Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 1/8] ARM: NOMMU: Move out MPU setup in separate module Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 2/8] ARM: NOMMU: Update MPU accessors to use cp15 helpers Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 3/8] ARM: NOMMU: Rework MPU to be mostly done in C Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 4/8] ARM: NOMMU: Disallow MPU for XIP Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 5/8] ARM: Kconfig: Kill CONFIG_VECTORS_BASE Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 6/8] ARM: V7M: Add support for MPU to M-class Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 7/8] ARM: NOMMU: Use more MPU regions to cover memory Vladimir Murzin
2017-07-21 13:12 ` [PATCH v2 8/8] ARM: NOMMU: Support MPU in XIP configuration Vladimir Murzin
2017-09-01 13:45 ` Alexandre Torgue [this message]
2017-09-01 14:17 ` [PATCH v2 0/8] ARM: NOMMU: MPU updates Vladimir Murzin
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