Use PHOLD/PRELE rather than P_PHYSIO.
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0cbbb7bffd
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=45359
@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: cam_periph.c,v 1.9 1999/01/14 06:21:54 jdp Exp $
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* $Id: cam_periph.c,v 1.10 1999/01/21 08:29:02 dillon Exp $
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*/
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#include <sys/param.h>
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@ -593,7 +593,7 @@ cam_periph_mapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo)
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/*
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* XXX KDM should I use P_NOSWAP instead?
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*/
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curproc->p_flag |= P_PHYSIO;
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PHOLD(curproc);
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for (i = 0; i < numbufs; i++) {
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/*
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@ -637,7 +637,7 @@ cam_periph_unmapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo)
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if (mapinfo->num_bufs_used <= 0) {
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/* allow ourselves to be swapped once again */
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curproc->p_flag &= ~P_PHYSIO;
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PRELE(curproc);
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return;
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}
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@ -658,7 +658,7 @@ cam_periph_unmapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo)
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break;
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default:
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/* allow ourselves to be swapped once again */
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curproc->p_flag &= ~P_PHYSIO;
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PRELE(curproc);
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return;
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break; /* NOTREACHED */
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}
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@ -678,7 +678,7 @@ cam_periph_unmapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo)
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}
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/* allow ourselves to be swapped once again */
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curproc->p_flag &= ~P_PHYSIO;
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PRELE(curproc);
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}
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union ccb *
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