[PATCH 2.6.7-mm1 3/4] via-velocity: ordering of Rx descriptors operations
From: Francois Romieu <romieu@fr.zoreil.com>
Date: 2004-06-21 21:59:46
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--) {
_