#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <endian.h>
#include "event-parse.h"

/*
 * From glibc endian.h, for older systems where it is not present, e.g.: RHEL5,
 * Fedora6.
 */
#ifndef le16toh
# if __BYTE_ORDER == __LITTLE_ENDIAN
#  define le16toh(x) (x)
# else
#  define le16toh(x) __bswap_16 (x)
# endif
#endif


static unsigned long long
process___le16_to_cpup(struct trace_seq *s, unsigned long long *args)
{
	uint16_t *val = (uint16_t *) (unsigned long) args[0];
	return val ? (long long) le16toh(*val) : 0;
}

int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
{
	pevent_register_print_function(pevent,
				       process___le16_to_cpup,
				       PEVENT_FUNC_ARG_INT,
				       "__le16_to_cpup",
				       PEVENT_FUNC_ARG_PTR,
				       PEVENT_FUNC_ARG_VOID);
	return 0;
}

void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
{
	pevent_unregister_print_function(pevent, process___le16_to_cpup,
					 "__le16_to_cpup");
}
ect name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back' selected='selected'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</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>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=packet-loop-back'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/kernel?h=packet-loop-back'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/kernel'>
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<option value='grep'>log msg</option>
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</form>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>kernel</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='packet-loop-back'/><input type='hidden' name='id' value='5da889c795b1fbefc9d8f058b54717ab8ab17891'/><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>Mark Rutland &lt;mark.rutland@arm.com&gt;</td><td class='right'>2016-11-24 10:25:12 +0000</td></tr>
<tr><th>committer</th><td>Michael S. Tsirkin &lt;mst@redhat.com&gt;</td><td class='right'>2016-12-16 00:13:36 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>5da889c795b1fbefc9d8f058b54717ab8ab17891</a> (<a href='/cgit.cgi/linux/net-next.git/patch/kernel?id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>6fc38e34603ed1ad8e63de38725fc5d84b26507b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>kernel</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel?h=packet-loop-back&amp;id=dbaf0624ffa57ae6e7d87a823185ccd9a7852d3c'>dbaf0624ffa57ae6e7d87a823185ccd9a7852d3c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/kernel?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891&amp;id2=dbaf0624ffa57ae6e7d87a823185ccd9a7852d3c'>diff</a>)</td></tr></table>
<div class='commit-subject'>tools/virtio: fix READ_ONCE()</div><div class='commit-msg'>The virtio tools implementation of READ_ONCE() has a single parameter called
'var', but erroneously refers to 'val' for its cast, and thus won't work unless
there's a variable of the correct type that happens to be called 'var'.

Fix this with s/var/val/, making READ_ONCE() work as expected regardless.

Fixes: a7c490333df3cff5 ("tools/virtio: use virt_xxx barriers")
Signed-off-by: Mark Rutland &lt;mark.rutland@arm.com&gt;
Cc: Jason Wang &lt;jasowang@redhat.com&gt;
Cc: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Cc: linux-kernel@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Reviewed-by: Cornelia Huck &lt;cornelia.huck@de.ibm.com&gt;
Reviewed-by: Jason Wang &lt;jasowang@redhat.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=packet-loop-back&amp;id=5da889c795b1fbefc9d8f058b54717ab8ab17891'>Diffstat</a> (limited to 'kernel')</div><table summary='diffstat' class='diffstat'>