Author: mav
Date: Tue May 3 07:58:51 2016
New Revision: 298964
URL: https://svnweb.freebsd.org/changeset/base/298964
Log:
MFC r297854: Add couple missing memory barriers.
Modified:
stable/10/sys/dev/isp/isp.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/isp/isp.c
==============================================================================
--- stable/10/sys/dev/isp/isp.c Tue May 3 07:58:11 2016 (r298963)
+++ stable/10/sys/dev/isp/isp.c Tue May 3 07:58:51 2016 (r298964)
@@ -2802,12 +2802,13 @@ isp_getpdb(ispsoftc_t *isp, int chan, ui
isp_prt(isp, ISP_LOGERR, sacq);
return (-1);
}
- MEMORYBARRIER(isp, SYNC_SFORDEV, 0, sizeof (un), chan);
+ MEMORYBARRIER(isp, SYNC_SFORDEV, 0, sizeof(un), chan);
isp_mboxcmd(isp, &mbs);
if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
FC_SCRATCH_RELEASE(isp, chan);
return (mbs.param[0] | (mbs.param[1] << 16));
}
+ MEMORYBARRIER(isp, SYNC_SFORCPU, 0, sizeof(un), chan);
if (IS_24XX(isp)) {
isp_get_pdb_24xx(isp, fcp->isp_scratch, &un.bill);
pdb->handle = un.bill.pdb_handle;
@@ -2875,6 +2876,7 @@ isp_gethandles(ispsoftc_t *isp, int chan
FC_SCRATCH_RELEASE(isp, chan);
return (mbs.param[0] | (mbs.param[1] << 16));
}
+ MEMORYBARRIER(isp, SYNC_SFORCPU, 0, ISP_FC_SCRLEN, chan);
elp1 = fcp->isp_scratch;
elp3 = fcp->isp_scratch;
elp4 = fcp->isp_scratch;
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