diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2011-03-06 16:59:43 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2011-03-06 16:59:43 +0000 |
| commit | 71b6b31d13fe18fcff85edfba624919db491b189 (patch) | |
| tree | 733256f5466ce30659c764c4ab683347ed844484 /sys | |
| parent | 6b182f2815fe18c634c9c1de0f3f5a67c166e4d0 (diff) | |
Make sure MEMORYBARRIER(SYNC_REG) performs a read/write bus_space_barrier,
instead of a read barrier only, as it is used in read-modify-write cycles.
ok mjacob
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/isp_openbsd.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/ic/isp_openbsd.h b/sys/dev/ic/isp_openbsd.h index 268c5e36015..a6d627c7af9 100644 --- a/sys/dev/ic/isp_openbsd.h +++ b/sys/dev/ic/isp_openbsd.h @@ -1,4 +1,4 @@ -/* $OpenBSD: isp_openbsd.h,v 1.33 2010/06/26 23:24:44 guenther Exp $ */ +/* $OpenBSD: isp_openbsd.h,v 1.34 2011/03/06 16:59:42 miod Exp $ */ /* * OpenBSD Specific definitions for the QLogic ISP Host Adapter */ @@ -170,7 +170,7 @@ case SYNC_SFORCPU: \ case SYNC_REG: \ bus_space_barrier(isp->isp_bus_tag, \ isp->isp_bus_handle, offset, size, \ - BUS_SPACE_BARRIER_READ); \ + BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); \ break; \ default: \ break; \ |