#ifdef CONFIG_SCHED_AUTOGROUP

#include <linux/kref.h>
#include <linux/rwsem.h>

struct autogroup {
	/*
	 * reference doesn't mean how many thread attach to this
	 * autogroup now. It just stands for the number of task
	 * could use this autogroup.
	 */
	struct kref		kref;
	struct task_group	*tg;
	struct rw_semaphore	lock;
	unsigned long		id;
	int			nice;
};

extern void autogroup_init(struct task_struct *init_task);
extern void autogroup_free(struct task_group *tg);

static inline bool task_group_is_autogroup(struct task_group *tg)
{
	return !!tg->autogroup;
}

extern bool task_wants_autogroup(struct task_struct *p, struct task_group *tg);

static inline struct task_group *
autogroup_task_group(struct task_struct *p, struct task_group *tg)
{
	int enabled = READ_ONCE(sysctl_sched_autogroup_enabled);

	if (enabled && task_wants_autogroup(p, tg))
		return p->signal->autogroup->tg;

	return tg;
}

extern int autogroup_path(struct task_group *tg, char *buf, int buflen);

#else /* !CONFIG_SCHED_AUTOGROUP */

static inline void autogroup_init(struct task_struct *init_task) {  }
static inline void autogroup_free(struct task_group *tg) { }
static inline bool task_group_is_autogroup(struct task_group *tg)
{
	return 0;
}

static inline struct task_group *
autogroup_task_group(struct task_struct *p, struct task_group *tg)
{
	return tg;
}

#ifdef CONFIG_SCHED_DEBUG
static inline int autogroup_path(struct task_group *tg, char *buf, int buflen)
{
	return 0;
}
#endif

#endif /* CONFIG_SCHED_AUTOGROUP */
>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=f43128c75202f29ee71aa83e6c320a911137c189'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=f43128c75202f29ee71aa83e6c320a911137c189'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=f43128c75202f29ee71aa83e6c320a911137c189'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/wusbcore?id=f43128c75202f29ee71aa83e6c320a911137c189'>wusbcore</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/wusbcore/wa-hc.c?id=f43128c75202f29ee71aa83e6c320a911137c189'>wa-hc.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='f43128c75202f29ee71aa83e6c320a911137c189'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Ricardo Ribalda &lt;ricardo.ribalda@gmail.com&gt;</td><td class='right'>2017-01-27 15:59:30 +0100</td></tr>
<tr><th>committer</th><td>Wolfram Sang &lt;wsa@the-dreams.de&gt;</td><td class='right'>2017-02-09 17:10:38 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/wusbcore/wa-hc.c?id=f43128c75202f29ee71aa83e6c320a911137c189'>f43128c75202f29ee71aa83e6c320a911137c189</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/wusbcore/wa-hc.c?id=f43128c75202f29ee71aa83e6c320a911137c189'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=f43128c75202f29ee71aa83e6c320a911137c189'>85280695db72c8ae27f6c0c312a8573a4d756c80</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/wusbcore/wa-hc.c?id=f43128c75202f29ee71aa83e6c320a911137c189'>drivers/usb/wusbcore/wa-hc.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/wusbcore/wa-hc.c?id=d5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c'>d5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/wusbcore/wa-hc.c?id=f43128c75202f29ee71aa83e6c320a911137c189&amp;id2=d5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c'>diff</a>)</td></tr></table>
<div class='commit-subject'>i2c: piix4: Fix request_region size</div><div class='commit-msg'>Since '701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")' we
are using the SMBSLVCNT register at offset 0x8. We need to request it.

Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")
Signed-off-by: Ricardo Ribalda Delgado &lt;ricardo.ribalda@gmail.com&gt;
Signed-off-by: Jean Delvare &lt;jdelvare@suse.de&gt;
Signed-off-by: Wolfram Sang &lt;wsa@the-dreams.de&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=f43128c75202f29ee71aa83e6c320a911137c189'>Diffstat</a> (limited to 'drivers/usb/wusbcore/wa-hc.c')</div><table summary='diffstat' class='diffstat'>