[PATCH 2.6.7-mm1 3/4] via-velocity: ordering of Rx descriptors operations

[Francois Romieu <romieu@xxxxxxxxxxxxx>]

Force strict ordering of operations on Rx descriptors to avoid any issue
related to inline optimization.

diff -puN drivers/net/via-velocity.c~via-velocity-80 drivers/net/via-velocity.c
--- linux-2.6.7/drivers/net/via-velocity.c~via-velocity-80      2004-06-21 
21:51:15.000000000 +0200
+++ linux-2.6.7-fr/drivers/net/via-velocity.c   2004-06-21 22:20:35.000000000 
+0200
@@ -993,6 +993,8 @@ static inline void velocity_give_many_rx
        if (vptr->rd_filled < 4)
                return;
 
+       wmb();
+
        unusable = vptr->rd_filled | 0x0003;
        dirty = vptr->rd_dirty - unusable + 1;
        for (avail = vptr->rd_filled & 0xfffc; avail; avail--) {

_