From: Jack Steiner Flush the GRU TLB when the GRU driver is loaded. There may be stale entries in the TLB if a previous GRU was unloaded since the system was last reset. Signed-off-by: Jack Steiner --- drivers/misc/sgi-gru/grutlbpurge.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux/drivers/misc/sgi-gru/grutlbpurge.c =================================================================== --- linux.orig/drivers/misc/sgi-gru/grutlbpurge.c 2010-06-09 08:11:42.087537647 -0500 +++ linux/drivers/misc/sgi-gru/grutlbpurge.c 2010-06-09 08:11:42.891554573 -0500 @@ -380,4 +380,6 @@ void gru_tgh_flush_init(struct gru_state /* first starting TGH index to use for remote purges */ gru->gs_tgh_first_remote = (cpus + (1 << shift) - 1) >> shift; + /* flush the GRU TLB in case there are stale entries present */ + gru_flush_all_tlb(gru); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/