/*
 * Copyright(C) 2015 Linaro Limited. All rights reserved.
 * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <stdbool.h>
#include <linux/coresight-pmu.h>

#include "../../util/auxtrace.h"
#include "../../util/evlist.h"
#include "../../util/pmu.h"
#include "cs-etm.h"

struct auxtrace_record
*auxtrace_record__init(struct perf_evlist *evlist, int *err)
{
	struct perf_pmu	*cs_etm_pmu;
	struct perf_evsel *evsel;
	bool found_etm = false;

	cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);

	if (evlist) {
		evlist__for_each_entry(evlist, evsel) {
			if (cs_etm_pmu &&
			    evsel->attr.type == cs_etm_pmu->type)
				found_etm = true;
		}
	}

	if (found_etm)
		return cs_etm_record_init(err);

	/*
	 * Clear 'err' even if we haven't found a cs_etm event - that way perf
	 * record can still be used even if tracers aren't present.  The NULL
	 * return value will take care of telling the infrastructure HW tracing
	 * isn't available.
	 */
	*err = 0;
	return NULL;
}
e'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=bd4ce941c8d5b862b2f83364be5dbe8fc8ab48f8'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/kernel/locking/semaphore.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/kernel/locking/semaphore.c?h=nds-private-remove&amp;id=bd4ce941c8d5b862b2f83364be5dbe8fc8ab48f8'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/kernel/locking/semaphore.c?h=nds-private-remove&amp;id=bd4ce941c8d5b862b2f83364be5dbe8fc8ab48f8'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/kernel/locking/semaphore.c?h=nds-private-remove&amp;id=bd4ce941c8d5b862b2f83364be5dbe8fc8ab48f8'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/kernel/locking/semaphore.c'>
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<tr><th>author</th><td>Ard Biesheuvel &lt;ard.biesheuvel@linaro.org&gt;</td><td class='right'>2017-01-17 13:46:29 +0000</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-01-23 22:41:33 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/events/Makefile?h=nds-private-remove&amp;id=11e3b725cfc282efe9d4a354153e99d86a16af08'>11e3b725cfc282efe9d4a354153e99d86a16af08</a> (<a href='/cgit.cgi/linux/net-next.git/patch/kernel/events/Makefile?id=11e3b725cfc282efe9d4a354153e99d86a16af08'>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=11e3b725cfc282efe9d4a354153e99d86a16af08'>8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6</a> /<a href='/cgit.cgi/linux/net-next.git/tree/kernel/events/Makefile?h=nds-private-remove&amp;id=11e3b725cfc282efe9d4a354153e99d86a16af08'>kernel/events/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/events/Makefile?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>d6040764adcb5cb6de1489422411d701c158bb69</a> (<a href='/cgit.cgi/linux/net-next.git/diff/kernel/events/Makefile?h=nds-private-remove&amp;id=11e3b725cfc282efe9d4a354153e99d86a16af08&amp;id2=d6040764adcb5cb6de1489422411d701c158bb69'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes</div><div class='commit-msg'>Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.

Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.

Cc: &lt;stable@vger.kernel.org&gt; # v3.16+
Signed-off-by: Ard Biesheuvel &lt;ard.biesheuvel@linaro.org&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=11e3b725cfc282efe9d4a354153e99d86a16af08'>Diffstat</a> (limited to 'kernel/events/Makefile')</div><table summary='diffstat' class='diffstat'>