The following commit has been merged into the irq/msi branch of tip:
Commit-ID: 9357e329cdeb6f2d27b431a22d4965700bec478a
Gitweb: https://git.kernel.org/tip/9357e329cdeb6f2d27b431a22d4965700bec478a
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 19 Mar 2025 11:57:01 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 09 Apr 2025 20:47:30 +02:00
genirq/msi: Rename msi_[un]lock_descs()
Now that all abuse is gone and the legit users are converted to
guard(msi_descs_lock), rename the lock functions and document them as
internal.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huwei.com>
Link: https://lore.kernel.org/all/20250319105506.864699741@linutronix.de
---
include/linux/msi.h | 8 ++++----
kernel/irq/msi.c | 16 ++++++++++------
2 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 4e43991..8c0ec9f 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -229,11 +229,11 @@ struct msi_dev_domain {
int msi_setup_device_data(struct device *dev);
-void msi_lock_descs(struct device *dev);
-void msi_unlock_descs(struct device *dev);
+void __msi_lock_descs(struct device *dev);
+void __msi_unlock_descs(struct device *dev);
-DEFINE_LOCK_GUARD_1(msi_descs_lock, struct device, msi_lock_descs(_T->lock),
- msi_unlock_descs(_T->lock));
+DEFINE_LOCK_GUARD_1(msi_descs_lock, struct device, __msi_lock_descs(_T->lock),
+ __msi_unlock_descs(_T->lock));
struct msi_desc *msi_domain_first_desc(struct device *dev, unsigned int domid,
enum msi_desc_filter filter);
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 5747d20..a8f7701 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -343,26 +343,30 @@ int msi_setup_device_data(struct device *dev)
}
/**
- * msi_lock_descs - Lock the MSI descriptor storage of a device
+ * __msi_lock_descs - Lock the MSI descriptor storage of a device
* @dev: Device to operate on
+ *
+ * Internal function for guard(msi_descs_lock). Don't use in code.
*/
-void msi_lock_descs(struct device *dev)
+void __msi_lock_descs(struct device *dev)
{
mutex_lock(&dev->msi.data->mutex);
}
-EXPORT_SYMBOL_GPL(msi_lock_descs);
+EXPORT_SYMBOL_GPL(__msi_lock_descs);
/**
- * msi_unlock_descs - Unlock the MSI descriptor storage of a device
+ * __msi_unlock_descs - Unlock the MSI descriptor storage of a device
* @dev: Device to operate on
+ *
+ * Internal function for guard(msi_descs_lock). Don't use in code.
*/
-void msi_unlock_descs(struct device *dev)
+void __msi_unlock_descs(struct device *dev)
{
/* Invalidate the index which was cached by the iterator */
dev->msi.data->__iter_idx = MSI_XA_MAX_INDEX;
mutex_unlock(&dev->msi.data->mutex);
}
-EXPORT_SYMBOL_GPL(msi_unlock_descs);
+EXPORT_SYMBOL_GPL(__msi_unlock_descs);
static struct msi_desc *msi_find_desc(struct msi_device_data *md, unsigned int domid,
enum msi_desc_filter filter)