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[PATCH char-misc-next v2 04/22] iommu: Allow iova to be used without requiring IOMMU_SUPPORT

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  [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used without requiring IOMMU_SUPPORT Ashutosh Dixit <ashutosh.dixit@intel.com> - 2015-09-30 02:50 +0200
    Re: [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used  without requiring IOMMU_SUPPORT "Woodhouse, David" <david.woodhouse@intel.com> - 2015-10-05 13:00 +0200
      Re: [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used  without requiring IOMMU_SUPPORT Sudeep Dutt <sudeep.dutt@intel.com> - 2015-10-05 19:50 +0200

#1235664 — [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used without requiring IOMMU_SUPPORT

From: Sudeep Dutt <sudeep.dutt@intel.com>

iova is a library which can be built without IOMMU_SUPPORT

Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
---
 drivers/iommu/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index d9da766..71d1c46 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -12,6 +12,9 @@ menuconfig IOMMU_SUPPORT
 	  remap DMA requests and/or remap interrupts from other devices on the
 	  system.
 
+config IOMMU_IOVA
+	tristate
+
 if IOMMU_SUPPORT
 
 menu "Generic IOMMU Pagetable Support"
@@ -42,9 +45,6 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST
 
 endmenu
 
-config IOMMU_IOVA
-	tristate
-
 config OF_IOMMU
        def_bool y
        depends on OF && IOMMU_API
-- 
2.0.0.rc3.2.g998f840

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#1239454 — Re: [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used without requiring IOMMU_SUPPORT

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On Tue, 2015-09-29 at 18:09 -0700, Ashutosh Dixit wrote:
> From: Sudeep Dutt <sudeep.dutt@intel.com>
> 
> iova is a library which can be built without IOMMU_SUPPORT
> 
> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>

The first three of these patches are in 4.3-rc4 already. Apologies for
the delay in pushing them out.

This one looks sane enough too, but perhaps in that case we should move
the code *out* of drivers/iommu/ and into lib/iova/ ?

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@intel.com                              Intel Corporation

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#1239792 — Re: [PATCH char-misc-next v2 04/22] iommu: Allow iova to be used without requiring IOMMU_SUPPORT

On Mon, 2015-10-05 at 03:50 -0700, Woodhouse, David wrote:
> On Tue, 2015-09-29 at 18:09 -0700, Ashutosh Dixit wrote:
> > From: Sudeep Dutt <sudeep.dutt@intel.com>
> > 
> > iova is a library which can be built without IOMMU_SUPPORT
> > 
> > Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
> 
> The first three of these patches are in 4.3-rc4 already. Apologies for
> the delay in pushing them out.
> 
> This one looks sane enough too, but perhaps in that case we should move
> the code *out* of drivers/iommu/ and into lib/iova/ ?
> 

Yes, moving the code into lib/iova is the correct long term solution. I
have sent Greg a patch which reverts this commit since it is no longer
required and will create a merge conflict for him unnecessarily as well
with 4.3-rc4.

Thanks,
Sudeep Dutt

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