From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: LKML <linux-kernel@vger.kernel.org>,
Joerg Roedel <joro@8bytes.org>,
"Lu Baolu" <baolu.lu@linux.intel.com>,
David Woodhouse <dwmw2@infradead.org>,
iommu@lists.linux-foundation.org, cgroups@vger.kernel.org,
Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Jean-Philippe Brucker <jean-philippe@linaro.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Eric Auger <eric.auger@redhat.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Jonathan Corbet <corbet@lwn.net>, Raj Ashok <ashok.raj@intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>, Yi Liu <yi.l.liu@intel.com>,
Wu Hao <hao.wu@intel.com>, Dave Jiang <dave.jiang@intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: [PATCH V4 09/18] iommu/ioasid: Introduce notification APIs
Date: Sat, 27 Feb 2021 14:01:17 -0800 [thread overview]
Message-ID: <1614463286-97618-10-git-send-email-jacob.jun.pan@linux.intel.com> (raw)
In-Reply-To: <1614463286-97618-1-git-send-email-jacob.jun.pan@linux.intel.com>
Relations among IOASID users largely follow a publisher-subscriber
pattern. E.g. to support guest SVA on Intel Scalable I/O Virtualization
(SIOV) enabled platforms, VFIO, IOMMU, device drivers, KVM are all users
of IOASIDs. When a state change occurs, VFIO publishes the change event
that needs to be processed by other users/subscribers.
This patch introduced two types of notifications: global and per
ioasid_set. The latter is intended for users who only needs to handle
events related to the IOASID of a given set.
For more information, refer to the kernel documentation at
Documentation/ioasid.rst.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/ioasid.c | 111 +++++++++++++++++++++++++++++++++++++++--
include/linux/ioasid.h | 54 ++++++++++++++++++++
2 files changed, 161 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/ioasid.c b/drivers/iommu/ioasid.c
index 7707bb608bdd..56577e745c4b 100644
--- a/drivers/iommu/ioasid.c
+++ b/drivers/iommu/ioasid.c
@@ -10,12 +10,33 @@
#include <linux/spinlock.h>
#include <linux/xarray.h>
+/*
+ * An IOASID can have multiple consumers where each consumer may have
+ * hardware contexts associated with the IOASID.
+ * When a status change occurs, like on IOASID deallocation, notifier chains
+ * are used to keep the consumers in sync.
+ * This is a publisher-subscriber pattern where publisher can change the
+ * state of each IOASID, e.g. alloc/free, bind IOASID to a device and mm.
+ * On the other hand, subscribers get notified for the state change and
+ * keep local states in sync.
+ */
+static ATOMIC_NOTIFIER_HEAD(ioasid_notifier);
+static DEFINE_SPINLOCK(ioasid_nb_lock);
+
/* Default to PCIe standard 20 bit PASID */
#define PCI_PASID_MAX 0x100000
static ioasid_t ioasid_capacity = PCI_PASID_MAX;
static ioasid_t ioasid_capacity_avail = PCI_PASID_MAX;
static DEFINE_XARRAY_ALLOC(ioasid_sets);
+struct ioasid_set_nb {
+ struct list_head list;
+ struct notifier_block *nb;
+ void *token;
+ struct ioasid_set *set;
+ bool active;
+};
+
enum ioasid_state {
IOASID_STATE_IDLE,
IOASID_STATE_ACTIVE,
@@ -415,6 +436,38 @@ void ioasid_detach_data(ioasid_t ioasid)
}
EXPORT_SYMBOL_GPL(ioasid_detach_data);
+/**
+ * ioasid_notify - Send notification on a given IOASID for status change.
+ *
+ * @data: The IOASID data to which the notification will send
+ * @cmd: Notification event sent by IOASID external users, can be
+ * IOASID_BIND or IOASID_UNBIND.
+ *
+ * @flags: Special instructions, e.g. notify within a set or global by
+ * IOASID_NOTIFY_FLAG_SET or IOASID_NOTIFY_FLAG_ALL flags
+ * Caller must hold ioasid_allocator_lock and reference to the IOASID
+ */
+static int ioasid_notify(struct ioasid_data *data,
+ enum ioasid_notify_val cmd, unsigned int flags)
+{
+ struct ioasid_nb_args args = { 0 };
+ int ret = 0;
+
+ if (flags & ~(IOASID_NOTIFY_FLAG_ALL | IOASID_NOTIFY_FLAG_SET))
+ return -EINVAL;
+
+ args.id = data->id;
+ args.set = data->set;
+ args.pdata = data->private;
+ args.spid = data->spid;
+ if (flags & IOASID_NOTIFY_FLAG_ALL)
+ ret = atomic_notifier_call_chain(&ioasid_notifier, cmd, &args);
+ if (flags & IOASID_NOTIFY_FLAG_SET)
+ ret = atomic_notifier_call_chain(&data->set->nh, cmd, &args);
+
+ return ret;
+}
+
static ioasid_t ioasid_find_by_spid_locked(struct ioasid_set *set, ioasid_t spid, bool get)
{
ioasid_t ioasid = INVALID_IOASID;
@@ -468,7 +521,7 @@ int ioasid_attach_spid(ioasid_t ioasid, ioasid_t spid)
goto done_unlock;
}
data->spid = spid;
-
+ ioasid_notify(data, IOASID_NOTIFY_BIND, IOASID_NOTIFY_FLAG_SET);
done_unlock:
spin_unlock(&ioasid_allocator_lock);
return ret;
@@ -486,8 +539,8 @@ void ioasid_detach_spid(ioasid_t ioasid)
pr_err("Invalid IOASID entry %d to detach\n", ioasid);
goto done_unlock;
}
+ ioasid_notify(data, IOASID_NOTIFY_UNBIND, IOASID_NOTIFY_FLAG_SET);
data->spid = INVALID_IOASID;
-
done_unlock:
spin_unlock(&ioasid_allocator_lock);
}
@@ -603,6 +656,8 @@ struct ioasid_set *ioasid_set_alloc(void *token, ioasid_t quota, int type)
set->quota = quota;
set->id = id;
atomic_set(&set->nr_ioasids, 0);
+ ATOMIC_INIT_NOTIFIER_HEAD(&set->nh);
+
/*
* Per set XA is used to store private IDs within the set, get ready
* for ioasid_set private ID and system-wide IOASID allocation
@@ -655,7 +710,9 @@ int ioasid_set_free(struct ioasid_set *set)
int ret = 0;
spin_lock(&ioasid_allocator_lock);
+ spin_lock(&ioasid_nb_lock);
ret = ioasid_set_free_locked(set);
+ spin_unlock(&ioasid_nb_lock);
spin_unlock(&ioasid_allocator_lock);
return ret;
}
@@ -728,6 +785,7 @@ ioasid_t ioasid_alloc(struct ioasid_set *set, ioasid_t min, ioasid_t max,
goto exit_free;
}
atomic_inc(&set->nr_ioasids);
+ ioasid_notify(data, IOASID_NOTIFY_ALLOC, IOASID_NOTIFY_FLAG_SET);
goto done_unlock;
exit_free:
kfree(data);
@@ -780,9 +838,11 @@ static void ioasid_free_locked(struct ioasid_set *set, ioasid_t ioasid)
* If the refcount is 1, it means there is no other users of the IOASID
* other than IOASID core itself. There is no need to notify anyone.
*/
- if (!refcount_dec_and_test(&data->refs))
+ if (!refcount_dec_and_test(&data->refs)) {
+ ioasid_notify(data, IOASID_NOTIFY_FREE,
+ IOASID_NOTIFY_FLAG_SET | IOASID_NOTIFY_FLAG_ALL);
return;
-
+ }
ioasid_do_free_locked(data);
}
@@ -833,15 +893,39 @@ void ioasid_free_all_in_set(struct ioasid_set *set)
if (!atomic_read(&set->nr_ioasids))
return;
spin_lock(&ioasid_allocator_lock);
+ spin_lock(&ioasid_nb_lock);
xa_for_each(&set->xa, index, entry) {
ioasid_free_locked(set, index);
/* Free from per set private pool */
xa_erase(&set->xa, index);
}
+ spin_unlock(&ioasid_nb_lock);
spin_unlock(&ioasid_allocator_lock);
}
EXPORT_SYMBOL_GPL(ioasid_free_all_in_set);
+/*
+ * ioasid_find_mm_set - Retrieve IOASID set with mm token
+ * Take a reference of the set if found.
+ */
+struct ioasid_set *ioasid_find_mm_set(struct mm_struct *token)
+{
+ struct ioasid_set *set;
+ unsigned long index;
+
+ spin_lock(&ioasid_allocator_lock);
+
+ xa_for_each(&ioasid_sets, index, set) {
+ if (set->type == IOASID_SET_TYPE_MM && set->token == token)
+ goto exit_unlock;
+ }
+ set = NULL;
+exit_unlock:
+ spin_unlock(&ioasid_allocator_lock);
+ return set;
+}
+EXPORT_SYMBOL_GPL(ioasid_find_mm_set);
+
/**
* ioasid_set_for_each_ioasid
* @brief
@@ -1021,6 +1105,25 @@ void *ioasid_find(struct ioasid_set *set, ioasid_t ioasid,
}
EXPORT_SYMBOL_GPL(ioasid_find);
+int ioasid_register_notifier(struct ioasid_set *set, struct notifier_block *nb)
+{
+ if (set)
+ return atomic_notifier_chain_register(&set->nh, nb);
+ else
+ return atomic_notifier_chain_register(&ioasid_notifier, nb);
+}
+EXPORT_SYMBOL_GPL(ioasid_register_notifier);
+
+void ioasid_unregister_notifier(struct ioasid_set *set,
+ struct notifier_block *nb)
+{
+ if (set)
+ atomic_notifier_chain_unregister(&set->nh, nb);
+ else
+ atomic_notifier_chain_unregister(&ioasid_notifier, nb);
+}
+EXPORT_SYMBOL_GPL(ioasid_unregister_notifier);
+
MODULE_AUTHOR("Jean-Philippe Brucker <jean-philippe.brucker@arm.com>");
MODULE_AUTHOR("Jacob Pan <jacob.jun.pan@linux.intel.com>");
MODULE_DESCRIPTION("IO Address Space ID (IOASID) allocator");
diff --git a/include/linux/ioasid.h b/include/linux/ioasid.h
index dcab02886cb5..d8b85a04214f 100644
--- a/include/linux/ioasid.h
+++ b/include/linux/ioasid.h
@@ -58,6 +58,47 @@ struct ioasid_allocator_ops {
void *pdata;
};
+/* Notification data when IOASID status changed */
+enum ioasid_notify_val {
+ IOASID_NOTIFY_ALLOC = 1,
+ IOASID_NOTIFY_FREE,
+ IOASID_NOTIFY_BIND,
+ IOASID_NOTIFY_UNBIND,
+};
+
+#define IOASID_NOTIFY_FLAG_ALL BIT(0)
+#define IOASID_NOTIFY_FLAG_SET BIT(1)
+/**
+ * enum ioasid_notifier_prios - IOASID event notification order
+ *
+ * When status of an IOASID changes, users might need to take actions to
+ * reflect the new state. For example, when an IOASID is freed due to
+ * exception, the hardware context in virtual CPU, DMA device, and IOMMU
+ * shall be cleared and drained. Order is required to prevent life cycle
+ * problems.
+ */
+enum ioasid_notifier_prios {
+ IOASID_PRIO_LAST,
+ IOASID_PRIO_DEVICE,
+ IOASID_PRIO_IOMMU,
+ IOASID_PRIO_CPU,
+};
+
+/**
+ * struct ioasid_nb_args - Argument provided by IOASID core when notifier
+ * is called.
+ * @id: The IOASID being notified
+ * @spid: The set private ID associated with the IOASID
+ * @set: The IOASID set of @id
+ * @pdata: The private data attached to the IOASID
+ */
+struct ioasid_nb_args {
+ ioasid_t id;
+ ioasid_t spid;
+ struct ioasid_set *set;
+ void *pdata;
+};
+
#if IS_ENABLED(CONFIG_IOASID)
void ioasid_install_capacity(ioasid_t total);
int ioasid_reserve_capacity(ioasid_t nr_ioasid);
@@ -84,6 +125,10 @@ void ioasid_detach_data(ioasid_t ioasid);
int ioasid_attach_spid(ioasid_t ioasid, ioasid_t spid);
void ioasid_detach_spid(ioasid_t ioasid);
ioasid_t ioasid_find_by_spid(struct ioasid_set *set, ioasid_t spid, bool get);
+int ioasid_register_notifier(struct ioasid_set *set,
+ struct notifier_block *nb);
+void ioasid_unregister_notifier(struct ioasid_set *set,
+ struct notifier_block *nb);
void ioasid_set_for_each_ioasid(struct ioasid_set *sdata,
void (*fn)(ioasid_t id, void *data),
void *data);
@@ -149,6 +194,15 @@ static inline void *ioasid_find(struct ioasid_set *set, ioasid_t ioasid,
return NULL;
}
+static inline int ioasid_register_notifier(struct notifier_block *nb)
+{
+ return -ENOTSUPP;
+}
+
+static inline void ioasid_unregister_notifier(struct notifier_block *nb)
+{
+}
+
static inline int ioasid_register_allocator(struct ioasid_allocator_ops *allocator)
{
return -ENOTSUPP;
--
2.25.1
next prev parent reply other threads:[~2021-02-28 6:39 UTC|newest]
Thread overview: 269+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-27 22:01 [PATCH V4 00/18] IOASID extensions for guest SVA Jacob Pan
2021-02-27 22:01 ` [PATCH V4 01/18] docs: Document IO Address Space ID (IOASID) APIs Jacob Pan
2021-02-27 22:01 ` [PATCH V4 02/18] iommu/ioasid: Rename ioasid_set_data() Jacob Pan
2021-02-27 22:01 ` [PATCH V4 03/18] iommu/ioasid: Add a separate function for detach data Jacob Pan
2021-02-27 22:01 ` [PATCH V4 04/18] iommu/ioasid: Support setting system-wide capacity Jacob Pan
2021-02-27 22:01 ` [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs Jacob Pan
2021-03-19 0:22 ` Jacob Pan
2021-03-19 9:58 ` Jean-Philippe Brucker
2021-03-19 12:46 ` Jason Gunthorpe
2021-03-19 13:41 ` Jean-Philippe Brucker
2021-03-19 13:54 ` Jason Gunthorpe
2021-03-19 18:22 ` Jacob Pan
2021-03-22 9:24 ` Jean-Philippe Brucker
2021-03-24 17:02 ` Jacob Pan
2021-03-24 17:03 ` Jason Gunthorpe
2021-03-24 22:12 ` Jacob Pan
2021-03-25 10:21 ` Jean-Philippe Brucker
2021-03-25 17:02 ` Jacob Pan
2021-03-25 17:16 ` Jason Gunthorpe
2021-03-25 18:23 ` Jacob Pan
2021-03-26 8:06 ` Jean-Philippe Brucker
2021-03-30 13:07 ` Jason Gunthorpe
2021-03-30 13:42 ` Jean-Philippe Brucker
2021-03-30 13:46 ` Jason Gunthorpe
2021-03-25 10:26 ` Jean-Philippe Brucker
2021-03-22 12:03 ` Jason Gunthorpe
2021-03-24 19:05 ` Jacob Pan
2021-03-29 16:31 ` Jason Gunthorpe
2021-03-29 22:55 ` Jacob Pan
2021-03-30 13:43 ` Jason Gunthorpe
2021-03-31 0:10 ` Jacob Pan
2021-03-31 12:28 ` Jason Gunthorpe
2021-03-31 16:34 ` Jacob Pan
2021-03-31 17:31 ` Jason Gunthorpe
2021-03-31 18:20 ` Jacob Pan
2021-03-31 18:33 ` Jason Gunthorpe
2021-03-31 21:50 ` Jacob Pan
2021-03-31 8:38 ` Liu, Yi L
2021-03-30 1:37 ` Tian, Kevin
2021-03-30 13:28 ` Jason Gunthorpe
2021-03-31 7:38 ` Liu, Yi L
2021-03-31 12:40 ` Jason Gunthorpe
2021-04-01 4:38 ` Liu, Yi L
2021-04-01 7:04 ` Liu, Yi L
2021-04-01 11:54 ` Jason Gunthorpe
2021-04-02 12:46 ` Liu, Yi L
2021-04-01 12:05 ` Jean-Philippe Brucker
2021-04-01 12:12 ` Jason Gunthorpe
2021-04-01 13:38 ` Liu, Yi L
2021-04-01 13:42 ` Jason Gunthorpe
2021-04-01 14:08 ` Liu, Yi L
2021-04-01 16:03 ` Jason Gunthorpe
2021-04-02 7:30 ` Tian, Kevin
2021-04-05 23:35 ` Jason Gunthorpe
2021-04-06 0:37 ` Tian, Kevin
2021-04-06 12:15 ` Jason Gunthorpe
2021-04-15 13:11 ` Auger Eric
2021-04-15 23:07 ` Jason Gunthorpe
2021-04-16 13:12 ` Jacob Pan
2021-04-16 15:45 ` Alex Williamson
2021-04-16 17:23 ` Jacob Pan
2021-04-16 17:54 ` Jason Gunthorpe
2021-04-21 13:18 ` Liu, Yi L
2021-04-21 16:23 ` Jason Gunthorpe
2021-04-21 16:54 ` Alex Williamson
2021-04-21 17:52 ` Jason Gunthorpe
2021-04-21 19:33 ` Alex Williamson
2021-04-21 23:03 ` Jason Gunthorpe
2021-04-22 8:34 ` Tian, Kevin
2021-04-22 12:10 ` Jason Gunthorpe
2021-04-23 9:06 ` Tian, Kevin
2021-04-23 11:49 ` Jason Gunthorpe
2021-04-25 9:24 ` Tian, Kevin
2021-04-26 12:38 ` Jason Gunthorpe
2021-04-28 6:34 ` Tian, Kevin
2021-04-28 15:06 ` Alex Williamson
2021-05-07 7:36 ` Tian, Kevin
2021-05-07 11:56 ` Jason Gunthorpe
2021-05-07 17:06 ` Alex Williamson
2021-05-07 17:10 ` Jason Gunthorpe
2021-05-08 6:08 ` Tian, Kevin
2021-05-08 7:31 ` Tian, Kevin
2021-05-10 2:56 ` Lu Baolu
2021-04-28 20:46 ` Jason Gunthorpe
2021-05-04 16:22 ` Jacob Pan
2021-05-04 16:31 ` Jason Gunthorpe
2021-05-08 5:46 ` Tian, Kevin
2021-05-04 15:41 ` Jacob Pan
2021-05-04 18:00 ` Jason Gunthorpe
2021-05-04 22:11 ` Jacob Pan
2021-05-04 23:15 ` Jason Gunthorpe
2021-05-05 17:22 ` Jacob Pan
2021-05-05 18:00 ` Jason Gunthorpe
2021-05-05 20:04 ` Jacob Pan
2021-05-05 22:21 ` Jason Gunthorpe
2021-05-05 23:23 ` Raj, Ashok
2021-05-06 12:22 ` Jason Gunthorpe
2021-05-08 7:06 ` Liu Yi L
2021-05-06 7:23 ` Jean-Philippe Brucker
2021-05-06 12:27 ` Jason Gunthorpe
2021-05-06 16:32 ` Raj, Ashok
2021-05-07 17:20 ` Jason Gunthorpe
2021-05-07 18:14 ` Raj, Ashok
2021-05-07 18:20 ` Jason Gunthorpe
2021-05-07 19:23 ` Raj, Ashok
2021-05-07 19:28 ` Jason Gunthorpe
2021-05-07 22:15 ` Jacob Pan
2021-05-08 9:56 ` Tian, Kevin
2021-05-10 12:37 ` Jason Gunthorpe
2021-05-10 15:25 ` Raj, Ashok
2021-05-10 15:31 ` Jason Gunthorpe
2021-05-10 16:22 ` Raj, Ashok
2021-05-10 16:39 ` Jason Gunthorpe
2021-05-10 22:28 ` Jacob Pan
2021-05-10 23:45 ` Jason Gunthorpe
2021-05-11 3:56 ` Jacob Pan
2021-05-11 9:10 ` Tian, Kevin
2021-05-11 13:24 ` Liu Yi L
2021-05-11 22:52 ` Tian, Kevin
2021-05-11 14:38 ` Jason Gunthorpe
2021-05-11 22:51 ` Tian, Kevin
2021-05-11 23:39 ` Jason Gunthorpe
2021-05-12 0:21 ` Tian, Kevin
2021-05-12 0:25 ` Jason Gunthorpe
2021-05-12 0:40 ` Tian, Kevin
2021-04-29 8:54 ` Auger Eric
2021-04-29 8:55 ` Auger Eric
2021-04-29 13:26 ` Auger Eric
2021-04-29 20:04 ` Jason Gunthorpe
2021-05-05 9:10 ` Auger Eric
2021-04-22 17:13 ` Alex Williamson
2021-04-22 17:57 ` Jason Gunthorpe
2021-04-22 19:37 ` Alex Williamson
2021-04-22 20:00 ` Jason Gunthorpe
2021-04-22 22:38 ` Alex Williamson
2021-04-22 23:39 ` Jason Gunthorpe
2021-04-23 10:31 ` Tian, Kevin
2021-04-23 11:57 ` Jason Gunthorpe
2021-04-27 5:11 ` David Gibson
2021-04-27 16:39 ` Jason Gunthorpe
2021-04-28 0:49 ` David Gibson
2021-04-23 16:38 ` Alex Williamson
2021-04-23 22:28 ` Jason Gunthorpe
2021-04-27 5:15 ` David Gibson
2021-04-27 5:08 ` David Gibson
2021-04-27 17:12 ` Jason Gunthorpe
2021-04-28 0:58 ` David Gibson
2021-04-28 14:56 ` Jason Gunthorpe
2021-04-29 3:04 ` David Gibson
2021-05-03 16:15 ` Jason Gunthorpe
2021-05-13 5:48 ` David Gibson
2021-05-13 13:59 ` Jason Gunthorpe
2021-05-24 7:52 ` David Gibson
2021-05-24 23:37 ` Jason Gunthorpe
2021-05-25 19:26 ` Kirti Wankhede
2021-05-25 19:52 ` Jason Gunthorpe
2021-05-25 21:18 ` Kirti Wankhede
2021-05-27 5:00 ` David Gibson
2021-05-27 18:25 ` Kirti Wankhede
2021-06-01 3:45 ` David Gibson
2021-05-27 4:58 ` David Gibson
2021-05-27 18:48 ` Jason Gunthorpe
2021-06-01 4:03 ` David Gibson
2021-06-01 12:57 ` Jason Gunthorpe
2021-06-08 0:44 ` David Gibson
2021-06-08 18:34 ` Jason Gunthorpe
2021-05-25 22:52 ` Alex Williamson
2021-05-26 18:10 ` Kirti Wankhede
2021-05-26 18:59 ` Alex Williamson
2021-05-26 19:13 ` Jason Gunthorpe
2021-05-27 4:53 ` David Gibson
2021-05-27 19:06 ` Jason Gunthorpe
2021-06-01 4:27 ` David Gibson
2021-04-28 6:58 ` Tian, Kevin
2021-05-04 17:12 ` Jason Gunthorpe
2021-05-07 8:09 ` Tian, Kevin
2021-04-28 7:47 ` Tian, Kevin
2021-04-28 18:41 ` Jason Gunthorpe
2021-04-27 4:50 ` David Gibson
2021-04-27 17:24 ` Jason Gunthorpe
2021-04-28 1:23 ` David Gibson
2021-04-29 0:21 ` Jason Gunthorpe
2021-04-29 3:20 ` David Gibson
2021-05-03 16:05 ` Jason Gunthorpe
2021-05-04 3:54 ` David Gibson
2021-05-04 18:15 ` Jason Gunthorpe
2021-05-05 4:28 ` Alexey Kardashevskiy
2021-05-05 16:39 ` Jason Gunthorpe
2021-05-13 6:07 ` David Gibson
2021-05-13 13:50 ` Jason Gunthorpe
2021-05-24 7:56 ` David Gibson
2021-05-13 6:01 ` David Gibson
2021-05-13 6:52 ` Tian, Kevin
2021-05-13 13:47 ` Jason Gunthorpe
2021-04-22 12:55 ` Liu Yi L
2021-04-16 13:38 ` Auger Eric
2021-04-16 14:05 ` Jason Gunthorpe
2021-04-16 14:26 ` Auger Eric
2021-04-16 14:34 ` Jason Gunthorpe
2021-04-16 15:00 ` Auger Eric
2021-04-01 11:46 ` Jason Gunthorpe
2021-04-01 13:10 ` Liu, Yi L
2021-04-01 13:15 ` Jason Gunthorpe
2021-04-01 13:43 ` Liu, Yi L
2021-04-01 13:46 ` Jason Gunthorpe
2021-04-02 7:58 ` Tian, Kevin
2021-04-05 23:39 ` Jason Gunthorpe
2021-04-06 1:02 ` Tian, Kevin
2021-04-06 12:21 ` Jason Gunthorpe
2021-04-07 2:23 ` Tian, Kevin
[not found] ` <MWHPR11MB188628BDB37A4EE36F3D99338C769@MWHPR11MB1886.namprd11.prod.outlook.com>
2021-04-06 2:08 ` Tian, Kevin
2021-04-02 10:01 ` Tian, Kevin
2021-04-02 8:22 ` Tian, Kevin
2021-04-05 23:42 ` Jason Gunthorpe
2021-04-06 1:27 ` Tian, Kevin
2021-04-06 12:34 ` Jason Gunthorpe
2021-04-07 2:08 ` Tian, Kevin
2021-04-07 12:20 ` Jason Gunthorpe
2021-04-07 23:50 ` Tian, Kevin
2021-04-08 11:41 ` Jason Gunthorpe
2021-04-06 1:35 ` Jason Wang
2021-04-06 12:42 ` Jason Gunthorpe
2021-04-07 2:06 ` Jason Wang
2021-04-07 8:17 ` Tian, Kevin
2021-04-07 11:58 ` Jason Gunthorpe
2021-04-07 18:43 ` Jean-Philippe Brucker
2021-04-07 19:36 ` Jason Gunthorpe
2021-04-08 9:37 ` Jean-Philippe Brucker
2021-03-30 2:24 ` Tian, Kevin
2021-03-30 13:24 ` Jason Gunthorpe
2021-03-30 4:14 ` Tian, Kevin
2021-03-30 13:27 ` Jason Gunthorpe
2021-03-31 7:41 ` Liu, Yi L
2021-03-31 12:38 ` Jason Gunthorpe
2021-03-31 23:46 ` Jacob Pan
2021-04-01 0:37 ` Jason Gunthorpe
2021-04-01 17:23 ` Jacob Pan
2021-04-01 17:26 ` Jason Gunthorpe
2021-03-19 17:14 ` Jacob Pan
2021-02-27 22:01 ` [PATCH V4 06/18] iommu/ioasid: Add free function and states Jacob Pan
2021-02-27 22:01 ` [PATCH V4 07/18] iommu/ioasid: Add ioasid_set iterator helper functions Jacob Pan
2021-02-27 22:01 ` [PATCH V4 08/18] iommu/ioasid: Introduce ioasid_set private ID Jacob Pan
2021-02-27 22:01 ` Jacob Pan [this message]
2021-02-27 22:01 ` [PATCH V4 10/18] iommu/ioasid: Support mm token type ioasid_set notifications Jacob Pan
2021-02-27 22:01 ` [PATCH V4 11/18] iommu/ioasid: Add ownership check in guest bind Jacob Pan
2021-02-27 22:01 ` [PATCH V4 12/18] iommu/vt-d: Remove mm reference for guest SVA Jacob Pan
2021-02-27 22:01 ` [PATCH V4 13/18] iommu/ioasid: Add a workqueue for cleanup work Jacob Pan
2021-02-27 22:01 ` [PATCH V4 14/18] iommu/vt-d: Listen to IOASID notifications Jacob Pan
2021-02-27 22:01 ` [RFC PATCH 15/18] cgroup: Introduce ioasids controller Jacob Pan
2021-03-03 15:44 ` Tejun Heo
2021-03-03 21:17 ` Jacob Pan
2021-03-04 0:02 ` Jacob Pan
2021-03-04 0:23 ` Jason Gunthorpe
2021-03-04 9:49 ` Jean-Philippe Brucker
2021-03-04 17:46 ` Jacob Pan
2021-03-04 17:54 ` Jason Gunthorpe
2021-03-04 19:01 ` Jacob Pan
2021-03-04 19:02 ` Jason Gunthorpe
2021-03-04 21:28 ` Jacob Pan
2021-03-05 8:30 ` Jean-Philippe Brucker
2021-03-05 17:16 ` Jean-Philippe Brucker
2021-03-05 18:20 ` Jacob Pan
2021-02-27 22:01 ` [RFC PATCH 16/18] iommu/ioasid: Consult IOASIDs cgroup for allocation Jacob Pan
2021-02-27 22:01 ` [RFC PATCH 17/18] docs: cgroup-v1: Add IOASIDs controller Jacob Pan
2021-02-27 22:01 ` [RFC PATCH 18/18] ioasid: Add /dev/ioasid for userspace Jacob Pan
2021-03-10 19:23 ` Jason Gunthorpe
2021-03-11 22:55 ` Jacob Pan
2021-03-12 14:54 ` Jason Gunthorpe
2021-03-02 12:58 ` [PATCH V4 00/18] IOASID extensions for guest SVA Liu, Yi L
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