From: Alexander Duyck <alexander.h.duyck@linux.intel.com>
To: tj@kernel.org, gregkh@linuxfoundation.org,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Cc: len.brown@intel.com, rafael@kernel.org, linux-pm@vger.kernel.org,
jiangshanlai@gmail.com, pavel@ucw.cz, zwisler@kernel.org,
alexander.h.duyck@linux.intel.com
Subject: [workqueue/driver-core PATCH 4/5] driver core: Attach devices on CPU local to device node
Date: Fri, 05 Oct 2018 11:34:24 -0700 [thread overview]
Message-ID: <20181005183424.8790.66813.stgit@localhost.localdomain> (raw)
In-Reply-To: <20181005183239.8790.28631.stgit@localhost.localdomain>
This change makes it so that we call the asynchronous probe routines on a
CPU local to the device node. By doing this we should be able to improve
our initialization time significantly as we can avoid having to access the
device from a remote node which may introduce higher latency.
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
---
drivers/base/dd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 5ba366c1cb83..81472dc44a70 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -826,7 +826,7 @@ static int __device_attach(struct device *dev, bool allow_async)
*/
dev_dbg(dev, "scheduling asynchronous probe\n");
get_device(dev);
- async_schedule(__device_attach_async_helper, dev);
+ async_schedule_dev(__device_attach_async_helper, dev);
} else {
pm_request_idle(dev);
}
@@ -927,7 +927,7 @@ static int __driver_attach(struct device *dev, void *data)
if (!dev->driver) {
get_device(dev);
dev_set_drvdata(dev, drv);
- async_schedule(__driver_attach_async_helper, dev);
+ async_schedule_dev(__driver_attach_async_helper, dev);
}
device_unlock(dev);
return 0;
next prev parent reply other threads:[~2018-10-05 18:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-05 18:34 [workqueue/driver-core PATCH 0/5] Add NUMA aware async_schedule calls Alexander Duyck
2018-10-05 18:34 ` [workqueue/driver-core PATCH 1/5] workqueue: Provide queue_work_near to queue work near a given NUMA node Alexander Duyck
2018-10-10 15:30 ` Tejun Heo
2018-10-10 15:34 ` Alexander Duyck
2018-10-10 15:37 ` Tejun Heo
2018-10-05 18:34 ` [workqueue/driver-core PATCH 2/5] async: Add support for queueing on specific " Alexander Duyck
2018-10-05 18:34 ` [workqueue/driver-core PATCH 3/5] driver core: Probe devices asynchronously instead of the driver Alexander Duyck
2018-10-05 18:34 ` Alexander Duyck [this message]
2018-10-05 18:34 ` [workqueue/driver-core PATCH 5/5] PM core: Use new async_schedule_dev command Alexander Duyck
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