lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 29 Nov 2015 19:14:31 -0700 From: Mathieu Poirier <mathieu.poirier@...aro.org> To: gregkh@...uxfoundation.org, alexander.shishkin@...ux.intel.com Cc: zhang.chunyan@...aro.org, mike.leach@....com, tor@...com, al.grant@....com, pawel.moll@....com, fainelli@...adcom.com, linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, Mathieu Poirier <mathieu.poirier@...aro.org> Subject: [PATCH V5 10/26] coresight: etm3x: set progbit to stop trace collection There is no need to use the event enable's "always false" event to stop trace collection. For that purpose setting the programming bit (ETMCR:10) is enough. Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org> --- drivers/hwtracing/coresight/coresight-etm3x.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c index 0035953a1102..a0252ffb4ba7 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x.c +++ b/drivers/hwtracing/coresight/coresight-etm3x.c @@ -422,9 +422,6 @@ static void etm_disable_hw(void *info) CS_UNLOCK(drvdata->base); etm_set_prog(drvdata); - /* Program trace enable to low by using always false event */ - etm_writel(drvdata, ETM_HARD_WIRE_RES_A | ETM_EVENT_NOT_A, ETMTEEVR); - /* Read back sequencer and counters for post trace analysis */ config->seq_curr_state = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists