From: kan.liang@linux.intel.com
To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org
Cc: eranian@google.com, namhyung@kernel.org, acme@kernel.org,
jolsa@redhat.com, ak@linux.intel.com,
Kan Liang <kan.liang@linux.intel.com>,
gregkh@linuxfoundation.org, rafael.j.wysocki@intel.com
Subject: [PATCH 1/7] driver core: Add a way to get to bus devices kset
Date: Wed, 23 Jun 2021 18:22:03 -0700 [thread overview]
Message-ID: <1624497729-158864-2-git-send-email-kan.liang@linux.intel.com> (raw)
In-Reply-To: <1624497729-158864-1-git-send-email-kan.liang@linux.intel.com>
From: Kan Liang <kan.liang@linux.intel.com>
Add an accessor function to get to the bus devices kset associated with
a struct bus_type.
The user of this is the following perf changes, which will need to get
to the kobj of the 'devices' directory of a certain bus.
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Cc: gregkh@linuxfoundation.org
Cc: rafael.j.wysocki@intel.com
---
drivers/base/bus.c | 6 ++++++
include/linux/device/bus.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 36d0c65..3d621a8 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -899,6 +899,12 @@ struct kset *bus_get_kset(struct bus_type *bus)
}
EXPORT_SYMBOL_GPL(bus_get_kset);
+struct kset *bus_get_devices_kset(struct bus_type *bus)
+{
+ return bus->p->devices_kset;
+}
+EXPORT_SYMBOL_GPL(bus_get_devices_kset);
+
struct klist *bus_get_device_klist(struct bus_type *bus)
{
return &bus->p->klist_devices;
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 1ea5e1d..0ab9273 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -283,6 +283,7 @@ extern int bus_unregister_notifier(struct bus_type *bus,
#define BUS_NOTIFY_DRIVER_NOT_BOUND 0x00000008 /* driver fails to be bound */
extern struct kset *bus_get_kset(struct bus_type *bus);
+extern struct kset *bus_get_devices_kset(struct bus_type *bus);
extern struct klist *bus_get_device_klist(struct bus_type *bus);
#endif
--
2.7.4
next prev parent reply other threads:[~2021-06-24 1:36 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-24 1:22 [PATCH 0/7] perf: Add Sapphire Rapids server uncore support kan.liang
2021-06-24 1:22 ` kan.liang [this message]
2021-06-24 5:41 ` [PATCH 1/7] driver core: Add a way to get to bus devices kset Greg KH
2021-06-24 1:22 ` [PATCH 2/7] perf: Create a symlink for a PMU kan.liang
2021-06-24 5:48 ` Greg KH
2021-06-24 14:24 ` Andi Kleen
2021-06-24 14:29 ` Greg KH
2021-06-24 15:24 ` Andi Kleen
2021-06-24 15:31 ` Greg KH
2021-06-24 17:07 ` Liang, Kan
2021-06-24 17:35 ` Greg KH
2021-06-24 17:49 ` Andi Kleen
2021-06-25 5:18 ` Greg KH
2021-06-25 5:17 ` Greg KH
2021-06-24 17:28 ` Andi Kleen
2021-06-25 5:19 ` Greg KH
2021-06-25 14:22 ` Andi Kleen
2021-06-25 14:38 ` Greg KH
2021-06-25 14:49 ` Andi Kleen
2021-06-25 15:03 ` Liang, Kan
2021-06-25 15:44 ` Andi Kleen
2021-06-25 15:57 ` Liang, Kan
2021-06-25 16:18 ` Liang, Kan
2021-06-27 11:02 ` Greg KH
2021-06-27 16:30 ` Andi Kleen
2021-06-28 6:55 ` Greg KH
2021-06-28 15:00 ` Andi Kleen
2021-06-24 1:22 ` [PATCH 3/7] perf/x86/intel/uncore: Create a symlink for an uncore PMU kan.liang
2021-06-24 5:44 ` Greg KH
2021-06-24 1:22 ` [PATCH 4/7] perf/x86/intel/uncore: Add Sapphire Rapids server support kan.liang
2021-06-24 1:22 ` [PATCH 5/7] perf/x86/intel/uncore: Factor out snr_uncore_mmio_map() kan.liang
2021-06-24 1:22 ` [PATCH 6/7] perf/x86/intel/uncore: Support free-running counters on Sapphire Rapids server kan.liang
2021-06-24 1:22 ` [PATCH 7/7] perf/x86/intel/uncore: Fix invalid unit check kan.liang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1624497729-158864-2-git-send-email-kan.liang@linux.intel.com \
--to=kan.liang@linux.intel.com \
--cc=acme@kernel.org \
--cc=ak@linux.intel.com \
--cc=eranian@google.com \
--cc=gregkh@linuxfoundation.org \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=rafael.j.wysocki@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).