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Re: [Xen-devel] [RFC v4 8/8] drivers/passthrough/arm: Refactor code for arm smmu drivers

On 01/03/2018 05:34 AM, Manish Jaggi wrote:
Hi Sameer,

Hi Manish,

+    unsigned int            type;
+    /* Dummy compatibility defines */
+    unsigned long pgsize_bitmap;
+    struct iommu_domain_geometry geometry;
+    atomic_t ref;
+    /* Used to link iommu_domain contexts for a same domain.
+     * There is at least one per-SMMU to used by the domain.
+     */
+    struct list_head        list;
+/* Xen: Describes information required for a Xen domain */
+struct arm_smmu_xen_domain {
+    spinlock_t          lock;
+    /* List of iommu domains associated to this domain */
+    struct list_head        contexts;
Could we use a more verbose name, How about %s/contexts/iommu_domain_contexts/g ?

How about a much more verbose name...? This name is 21 letters and that's only for the field. Just imagine with the variable name before and a couple of indentation.

This is where comment are helpful, a developer can easily look for the structure/field to see a description of the field. So let's not make the code more horrible because you would have to split the line.


Julien Grall

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