On 17/04/18 18:46, Hook, Gary wrote:
On 4/6/2018 9:17 AM, Gary R Hook wrote:
Provide base enablement for using debugfs to expose internal data of
an IOMMU driver. When called, create the /sys/kernel/debug/iommu
directory. Emit a strong warning at boot time to indicate that this
feature is
On 4/17/2018 1:55 PM, Robin Murphy wrote:
On 17/04/18 18:36, Hook, Gary wrote:
On 4/13/2018 7:55 PM, Mehta, Sohil wrote:
On Fri, 2018-04-06 at 08:17 -0500, Gary R Hook wrote:
+struct dentry *iommu_debugfs_setup(void)
+{
+ if (!debugfs_initialized())
This check is probably not needed.
On 17/04/18 18:36, Hook, Gary wrote:
On 4/13/2018 7:55 PM, Mehta, Sohil wrote:
On Fri, 2018-04-06 at 08:17 -0500, Gary R Hook wrote:
+struct dentry *iommu_debugfs_setup(void)
+{
+ if (!debugfs_initialized())
This check is probably not needed.
Ah, so it isn't. Thank you.
+
On 4/6/2018 9:17 AM, Gary R Hook wrote:
Provide base enablement for using debugfs to expose internal data of
an IOMMU driver. When called, create the /sys/kernel/debug/iommu
directory. Emit a strong warning at boot time to indicate that this
feature is enabled.
This patch adds a top-level
On 4/13/2018 7:55 PM, Mehta, Sohil wrote:
On Fri, 2018-04-06 at 08:17 -0500, Gary R Hook wrote:
+struct dentry *iommu_debugfs_setup(void)
+{
+ if (!debugfs_initialized())
This check is probably not needed.
Ah, so it isn't. Thank you.
+ return NULL;
+
+ if
On Fri, 2018-04-06 at 08:17 -0500, Gary R Hook wrote:
>
>
> +struct dentry *iommu_debugfs_setup(void)
> +{
> + if (!debugfs_initialized())
This check is probably not needed.
> + return NULL;
> +
> + if (!iommu_debugfs_dir)
> + iommu_debugfs_dir =
