Re: [PATCH v4 0/7] xen/arm: Add support for mapping mmio-sram nodes into dom0

From: Stefano Stabellini <sstabellini@kernel.org>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: edgar.iglesias@xilinx.com, julien.grall@arm.com,
	sstabellini@kernel.org, xen-devel@lists.xen.org
Subject: Re: [PATCH v4 0/7] xen/arm: Add support for mapping mmio-sram nodes into dom0
Date: Tue, 27 Sep 2016 18:31:49 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1609271830500.9519@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <1474656802-24081-1-git-send-email-edgar.iglesias@gmail.com>

On Fri, 23 Sep 2016, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
> 
> This series adds support for mapping mmio-sram nodes into dom0
> as normal uncached MEMORY with RW perms.
> 
> If the no-memory-wc prop is present in the DTB node, we create
> DEVICE RW mappings instead.
> 
> Comments welcome!

Committed


> Best regards,
> Edgar
> 
> ChangeLog:
> 
> v3 -> v4:
> * Rename p2m_mmio_direct_nc -> p2m_mmio_direct_dev
> * Rename p2m_mem_nc p2m_mmio_direct_nc
> * Make p2m_mmio_direct_nc non-executable to match p2m_mmio_direct_c
> * Fix typos in comments regarding shareability
> * Add reference to ARMv8 specs for outer sharability attr
> * Add comment describing map_regions_p2mt
> * Mention the p2m type inheritance in the commit msg of path #6
> 
> v2 -> v3:
> * Drop RFC
> * Add comment on outer-shareable choice for non-cached mem
> * Spellfix existance -> existence
> * Add comment on props usage
> * Props matching now only supports a single property
> * Dropped p2m_access in plumbing for mapping attributes
> * Rename un/map_regions to un/map_regions_p2mt
> * Add path to mmio-sram device-tree bindings docs in commit msg
> * Add a comment on inheriting parent mem attributes
> * Dropped the mmio-sram bus
> 
> v1 -> v2
> * Replace the .map method with a list of match -> map attributes
> * Handle no-memory-wc by mapping as DEVICE RW
> * Generalize map_regions_rw_cache instead of adding new functions
> 
> Edgar E. Iglesias (7):
>   xen/arm: p2m: Rename p2m_mmio_direct_nc -> p2m_mmio_direct_dev
>   xen/arm: p2m: Add support for normal non-cacheable memory
>   xen/arm: Rename and generalize un/map_regions_rw_cache
>   xen/device-tree: Add __DT_MATCH macros without braces
>   xen/device-tree: Make dt_match_node match props
>   xen/arm: domain_build: Plumb for different mapping attributes
>   xen/arm: Map mmio-sram nodes as un-cached memory
> 
>  xen/arch/arm/domain_build.c   | 90 +++++++++++++++++++++++++++++++++----------
>  xen/arch/arm/p2m.c            | 42 ++++++++++++++------
>  xen/common/device_tree.c      |  5 ++-
>  xen/include/asm-arm/p2m.h     | 24 +++++++-----
>  xen/include/asm-arm/page.h    |  1 +
>  xen/include/xen/device_tree.h | 20 ++++++++--
>  6 files changed, 136 insertions(+), 46 deletions(-)
> 
> -- 
> 2.7.4
> 

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