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| author | jhb <jhb@FreeBSD.org> | 2000-10-20 06:45:48 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2000-10-20 06:45:48 +0000 |
| commit | 16168b364a2ba06b962dc30e7a667864b5900d63 (patch) | |
| tree | 0930f871956c8a415441aee1aa9d4c7c253ae468 /sys/alpha/include | |
| parent | 9ee7a66d3e2e71817788cf4b6bd57e8ca6f6d511 (diff) | |
| download | FreeBSD-src-16168b364a2ba06b962dc30e7a667864b5900d63.zip FreeBSD-src-16168b364a2ba06b962dc30e7a667864b5900d63.tar.gz | |
Axe the barrier_{read,write,rw}() helper functions as this method of
doing memory barriers doesn't really scale well for the ia64. Also,
memory barriers are more a property of the CPU than bus space.
Requested by: dfr
Diffstat (limited to 'sys/alpha/include')
| -rw-r--r-- | sys/alpha/include/bus.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/sys/alpha/include/bus.h b/sys/alpha/include/bus.h index 1810c4b..7fe2726 100644 --- a/sys/alpha/include/bus.h +++ b/sys/alpha/include/bus.h @@ -364,18 +364,6 @@ void busspace_generic_barrier(struct alpha_busspace *space, #define bus_space_barrier(t, h, o, l, f) \ (t)->ab_ops->abo_barrier(t, (h)+(o), l, f) -#define barrier_read \ - bus_space_barrier(busspace_isa_mem, 0, BUS_SPACE_UNRESTRICTED, \ - BUS_SPACE_BARRIER_READ) - -#define barrier_write \ - bus_space_barrier(busspace_isa_mem, 0, BUS_SPACE_UNRESTRICTED, \ - BUS_SPACE_BARRIER_WRITE) - -#define barrier_rw \ - bus_space_barrier(busspace_isa_mem, 0, BUS_SPACE_UNRESTRICTED, \ - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) - /* * Flags used in various bus DMA methods. */ |
