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Re: [Xen-devel] [PATCH v11 5/6] iommu: tidy up iommu_use_hap_pt() and need_iommu_pt_sync() macros
- To: Paul Durrant <paul.durrant@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Julien Grall <julien.grall@xxxxxxx>
- Date: Tue, 17 Sep 2019 10:41:02 +0100
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 17 Sep 2019 09:41:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi Paul,
On 9/13/19 11:58 AM, Paul Durrant wrote:
Thes macros really ought to live in the common xen/iommu.h header rather
then being distributed amongst architecture specific iommu headers and
xen/sched.h. This patch moves them there.
NOTE: Disabling 'sharept' in the command line iommu options should really
be hard error on ARM (as opposed to just being ignored), so define
'iommu_hap_pt_share' to be true for ARM (via ARM-selected
CONFIG_IOMMU_FORCE_PT_SHARE).
Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxx>
Cheers,
--
Julien Grall
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