/*
 * Copyright 2016, Anton Blanchard, Michael Ellerman, IBM Corp.
 * Licensed under GPLv2.
 */

#define _GNU_SOURCE

#include <stdio.h>
#include <sys/syscall.h>
#include <time.h>
#include <unistd.h>
#include <linux/futex.h>

#include "utils.h"

#define ITERATIONS 100000000

#define futex(A, B, C, D, E, F)	 syscall(__NR_futex, A, B, C, D, E, F)

int test_futex(void)
{
	struct timespec ts_start, ts_end;
	unsigned long i = ITERATIONS;

	clock_gettime(CLOCK_MONOTONIC, &ts_start);

	while (i--) {
		unsigned int addr = 0;
		futex(&addr, FUTEX_WAKE, 1, NULL, NULL, 0);
	}

	clock_gettime(CLOCK_MONOTONIC, &ts_end);

	printf("time = %.6f\n", ts_end.tv_sec - ts_start.tv_sec + (ts_end.tv_nsec - ts_start.tv_nsec) / 1e9);

	return 0;
}

int main(void)
{
	return test_harness(test_futex, "futex_bench");
}
i/'>index</a> : <a href='/cgit.cgi/linux/net-next.git/'>net-next.git</a></td><td class='form'><form method='get'>
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<option value='emaclite-cleanup'>emaclite-cleanup</option>
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</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/sound/usb/caiaq/audio.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/usb/caiaq/audio.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/caiaq?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>caiaq</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>audio.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='0b529f143e8baad441a5aac9ad55ec2434d8fb46'/><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>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/usb/caiaq/audio.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>fd816e548e12745d4776ad0bd661bec142d3ea06</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>sound/usb/caiaq/audio.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/caiaq/audio.h?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'sound/usb/caiaq/audio.h')</div><table summary='diffstat' class='diffstat'>