* [PATCH v2] iommu/vt-d: constify intel_dma_ops
@ 2017-06-28 11:09 ` Arvind Yadav
0 siblings, 0 replies; 4+ messages in thread
From: Arvind Yadav @ 2017-06-28 11:09 UTC (permalink / raw)
To: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ, joro-zLv9SwRftAIdnm+yROfE0A
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
Most dma_map_ops structures are never modified. Constify these
structures such that these can be write-protected.
Signed-off-by: Arvind Yadav <arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
Changes in v2:
Added description.
drivers/iommu/intel-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 90ab011..de0df48 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3970,7 +3970,7 @@ static int intel_mapping_error(struct device *dev, dma_addr_t dma_addr)
return !dma_addr;
}
-struct dma_map_ops intel_dma_ops = {
+const struct dma_map_ops intel_dma_ops = {
.alloc = intel_alloc_coherent,
.free = intel_free_coherent,
.map_sg = intel_map_sg,
--
1.9.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v2] iommu/vt-d: constify intel_dma_ops
@ 2017-06-28 11:09 ` Arvind Yadav
0 siblings, 0 replies; 4+ messages in thread
From: Arvind Yadav @ 2017-06-28 11:09 UTC (permalink / raw)
To: dwmw2, joro; +Cc: linux-kernel, iommu
Most dma_map_ops structures are never modified. Constify these
structures such that these can be write-protected.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
Changes in v2:
Added description.
drivers/iommu/intel-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 90ab011..de0df48 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3970,7 +3970,7 @@ static int intel_mapping_error(struct device *dev, dma_addr_t dma_addr)
return !dma_addr;
}
-struct dma_map_ops intel_dma_ops = {
+const struct dma_map_ops intel_dma_ops = {
.alloc = intel_alloc_coherent,
.free = intel_free_coherent,
.map_sg = intel_map_sg,
--
1.9.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v2] iommu/vt-d: constify intel_dma_ops
2017-06-28 11:09 ` Arvind Yadav
@ 2017-06-28 12:17 ` Joerg Roedel
-1 siblings, 0 replies; 4+ messages in thread
From: Joerg Roedel @ 2017-06-28 12:17 UTC (permalink / raw)
To: Arvind Yadav
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA,
dwmw2-wEGCiKHe2LqWVfeAwA7xHQ, linux-kernel-u79uwXL29TY76Z2rM5mHXA
On Wed, Jun 28, 2017 at 04:39:32PM +0530, Arvind Yadav wrote:
> Most dma_map_ops structures are never modified. Constify these
> structures such that these can be write-protected.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> Changes in v2:
> Added description.
>
> drivers/iommu/intel-iommu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v2] iommu/vt-d: constify intel_dma_ops
@ 2017-06-28 12:17 ` Joerg Roedel
0 siblings, 0 replies; 4+ messages in thread
From: Joerg Roedel @ 2017-06-28 12:17 UTC (permalink / raw)
To: Arvind Yadav; +Cc: dwmw2, linux-kernel, iommu
On Wed, Jun 28, 2017 at 04:39:32PM +0530, Arvind Yadav wrote:
> Most dma_map_ops structures are never modified. Constify these
> structures such that these can be write-protected.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
> Changes in v2:
> Added description.
>
> drivers/iommu/intel-iommu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-06-28 12:18 UTC | newest]
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2017-06-28 11:09 [PATCH v2] iommu/vt-d: constify intel_dma_ops Arvind Yadav
2017-06-28 11:09 ` Arvind Yadav
[not found] ` <dabcc02772ea7a1793e8e41a08960bd1101160a1.1498647947.git.arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-28 12:17 ` Joerg Roedel
2017-06-28 12:17 ` Joerg Roedel
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