/*
 *  user_space.c - A simple user space Thermal events notifier
 *
 *  Copyright (C) 2012 Intel Corp
 *  Copyright (C) 2012 Durgadoss R <durgadoss.r@intel.com>
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include <linux/thermal.h>
#include <linux/slab.h>
#include "thermal_core.h"

/**
 * notify_user_space - Notifies user space about thermal events
 * @tz - thermal_zone_device
 * @trip - Trip point index
 *
 * This function notifies the user space through UEvents.
 */
static int notify_user_space(struct thermal_zone_device *tz, int trip)
{
	char *thermal_prop[5];
	int i;

	mutex_lock(&tz->lock);
	thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", tz->type);
	thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", tz->temperature);
	thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=%d", trip);
	thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", tz->notify_event);
	thermal_prop[4] = NULL;
	kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, thermal_prop);
	for (i = 0; i < 4; ++i)
		kfree(thermal_prop[i]);
	mutex_unlock(&tz->lock);
	return 0;
}

static struct thermal_governor thermal_gov_user_space = {
	.name		= "user_space",
	.throttle	= notify_user_space,
};

int thermal_gov_user_space_register(void)
{
	return thermal_register_governor(&thermal_gov_user_space);
}

void thermal_gov_user_space_unregister(void)
{
	thermal_unregister_governor(&thermal_gov_user_space);
}

'/cgit.cgi/linux/net-next.git/log/net/bridge/br_input.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;showmsg=1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;showmsg=1'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/bridge?id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;showmsg=1'>bridge</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/bridge/br_input.c?id=35eeacf1820a08305c2b0960febfa190f5a6dd63&amp;showmsg=1'>br_input.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/bridge/br_input.c?id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr class='logheader'><td><span title='2017-02-07 14:16:05 -0500'>2017-02-07</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/net/bridge/br_input.c?id=ca6d4480f87db9d9470d3d7bbe445953fa105e57'>bridge: avoid unnecessary read of jiffies</a></td><td>stephen hemminger</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+4</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Jiffies is volatile so read it once.

Signed-off-by: Stephen Hemminger &lt;sthemmin@microsoft.com&gt;
Acked-by: Nikolay Aleksandrov &lt;nikolay@cumulusnetworks.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-06 22:53:13 -0500'>2017-02-06</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/net/bridge/br_input.c?id=83a718d6294964fd1b227fa5f1ad001bc1fe7656'>bridge: fdb: write to used and updated at most once per jiffy</a></td><td>Nikolay Aleksandrov</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Writing once per jiffy is enough to limit the bridge's false sharing.
After this change the bridge doesn't show up in the local load HitM stats.

Suggested-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Nikolay Aleksandrov &lt;nikolay@cumulusnetworks.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 15:21:22 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/net/bridge/br_input.c?id=11538d039ac6efcf4f1a6c536e1b87cd3668a9fd'>bridge: vlan dst_metadata hooks in ingress and egress paths</a></td><td>Roopa Prabhu</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+7</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
- ingress hook:
    - if port is a tunnel port, use tunnel info in
      attached dst_metadata to map it to a local vlan
- egress hook:
    - if port is a tunnel port, use tunnel info attached to
      vlan to set dst_metadata on the skb

CC: Nikolay Aleksandrov &lt;nikolay@cumulusnetworks.com&gt;
Signed-off-by: Roopa Prabhu &lt;roopa@cumulusnetworks.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


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