/*
 * Uniprocessor-only support functions.  The counterpart to kernel/smp.c
 */

#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/smp.h>
#include <linux/hypervisor.h>

int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
				int wait)
{
	unsigned long flags;

	WARN_ON(cpu != 0);

	local_irq_save(flags);
	func(info);
	local_irq_restore(flags);

	return 0;
}
EXPORT_SYMBOL(smp_call_function_single);

int smp_call_function_single_async(int cpu, struct call_single_data *csd)
{
	unsigned long flags;

	local_irq_save(flags);
	csd->func(csd->info);
	local_irq_restore(flags);
	return 0;
}
EXPORT_SYMBOL(smp_call_function_single_async);

int on_each_cpu(smp_call_func_t func, void *info, int wait)
{
	unsigned long flags;

	local_irq_save(flags);
	func(info);
	local_irq_restore(flags);
	return 0;
}
EXPORT_SYMBOL(on_each_cpu);

/*
 * Note we still need to test the mask even for UP
 * because we actually can get an empty mask from
 * code that on SMP might call us without the local
 * CPU in the mask.
 */
void on_each_cpu_mask(const struct cpumask *mask,
		      smp_call_func_t func, void *info, bool wait)
{
	unsigned long flags;

	if (cpumask_test_cpu(0, mask)) {
		local_irq_save(flags);
		func(info);
		local_irq_restore(flags);
	}
}
EXPORT_SYMBOL(on_each_cpu_mask);

/*
 * Preemption is disabled here to make sure the cond_func is called under the
 * same condtions in UP and SMP.
 */
void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info),
		      smp_call_func_t func, void *info, bool wait,
		      gfp_t gfp_flags)
{
	unsigned long flags;

	preempt_disable();
	if (cond_func(0, info)) {
		local_irq_save(flags);
		func(info);
		local_irq_restore(flags);
	}
	preempt_enable();
}
EXPORT_SYMBOL(on_each_cpu_cond);

int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys)
{
	int ret;

	if (cpu != 0)
		return -ENXIO;

	if (phys)
		hypervisor_pin_vcpu(0);
	ret = func(par);
	if (phys)
		hypervisor_pin_vcpu(-1);

	return ret;
}
EXPORT_SYMBOL_GPL(smp_call_on_cpu);
 href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/mon/mon_main.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>mon</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>mon_main.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='3d88460dbd285e7f32437b530d5bb7cb916142fa'/><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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-09 17:46:30 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-09 17:46:30 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>3d88460dbd285e7f32437b530d5bb7cb916142fa</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>3cc4f479bb3813bb4804f5ed4d52a493003c9fa5</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>drivers/usb/mon/mon_main.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon/mon_main.c?id=55aac6ef53e114c28170ee3f79065cfa8ca9cf3f'>55aac6ef53e114c28170ee3f79065cfa8ca9cf3f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa&amp;id2=55aac6ef53e114c28170ee3f79065cfa8ca9cf3f'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/mon/mon_main.c?id=697d3a21615672b2bf7724a65755799260325dda'>697d3a21615672b2bf7724a65755799260325dda</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/mon/mon_main.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa&amp;id2=697d3a21615672b2bf7724a65755799260325dda'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'drm-fixes-for-v4.10-rc8' of git://people.freedesktop.org/~airlied/linux</div><div class='commit-msg'>Pull drm fixes from Dave Airlie:
 "This should be the final set of drm fixes for 4.10: one vmwgfx boot
  fix, one vc4 fix, and a few i915 fixes:

* tag 'drm-fixes-for-v4.10-rc8' of git://people.freedesktop.org/~airlied/linux:
  drm: vc4: adapt to new behaviour of drm_crtc.c
  drm/i915: Always convert incoming exec offsets to non-canonical
  drm/i915: Remove overzealous fence warn on runtime suspend
  drm/i915/bxt: Add MST support when do DPLL calculation
  drm/i915: don't warn about Skylake CPU - KabyPoint PCH combo
  drm/i915: fix i915 running as dom0 under Xen
  drm/i915: Flush untouched framebuffers before display on !llc
  drm/i915: fix use-after-free in page_flip_completed()
  drm/vmwgfx: Fix depth input into drm_mode_legacy_fb_format
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>Diffstat</a> (limited to 'drivers/usb/mon/mon_main.c')</div><table summary='diffstat' class='diffstat'>