Revision 41cc07be42835a5c35b409af3914b8fcaedd0d72 authored by Matt Redfearn on 25 May 2016, 11:58:40 UTC, committed by Ralf Baechle on 28 May 2016, 10:35:11 UTC
Allow KASLR to be selected on Pistachio based systems. Tested on a Creator Ci40. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: Jonas Gorski <jogo@openwrt.org> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13356/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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scsi_tcq.h
#ifndef _SCSI_SCSI_TCQ_H
#define _SCSI_SCSI_TCQ_H
#include <linux/blkdev.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#define SCSI_NO_TAG (-1) /* identify no tag in use */
#ifdef CONFIG_BLOCK
/**
* scsi_host_find_tag - find the tagged command by host
* @shost: pointer to scsi_host
* @tag: tag
*
* Note: for devices using multiple hardware queues tag must have been
* generated by blk_mq_unique_tag().
**/
static inline struct scsi_cmnd *scsi_host_find_tag(struct Scsi_Host *shost,
int tag)
{
struct request *req = NULL;
if (tag == SCSI_NO_TAG)
return NULL;
if (shost_use_blk_mq(shost)) {
u16 hwq = blk_mq_unique_tag_to_hwq(tag);
if (hwq < shost->tag_set.nr_hw_queues) {
req = blk_mq_tag_to_rq(shost->tag_set.tags[hwq],
blk_mq_unique_tag_to_tag(tag));
}
} else {
req = blk_map_queue_find_tag(shost->bqt, tag);
}
if (!req)
return NULL;
return req->special;
}
#endif /* CONFIG_BLOCK */
#endif /* _SCSI_SCSI_TCQ_H */
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