From 55484c45dbeca2eec7642932ec3f60f8a2d4bdbf Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Tue, 15 Dec 2009 16:48:05 -0800 Subject: gru: allow users to specify gru chiplet 2 Add support to the GRU driver to allow users to specify the blade & chiplet for allocation of GRU contexts. Add new statistics for context loading/unloading/retargeting. Also deleted a few GRU stats that were no longer being unused. Signed-off-by: Jack Steiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/sgi-gru/grukservices.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/misc/sgi-gru/grukservices.c') diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index 306855cc80fe..e0d4b53d1fc2 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -160,8 +160,10 @@ static void gru_load_kernel_context(struct gru_blade_state *bs, int blade_id) up_read(&bs->bs_kgts_sema); down_write(&bs->bs_kgts_sema); - if (!bs->bs_kgts) + if (!bs->bs_kgts) { bs->bs_kgts = gru_alloc_gts(NULL, 0, 0, 0, 0); + bs->bs_kgts->ts_user_blade_id = blade_id; + } kgts = bs->bs_kgts; if (!kgts->ts_gru) { @@ -172,9 +174,9 @@ static void gru_load_kernel_context(struct gru_blade_state *bs, int blade_id) kgts->ts_dsr_au_count = GRU_DS_BYTES_TO_AU( GRU_NUM_KERNEL_DSR_BYTES * ncpus + bs->bs_async_dsr_bytes); - while (!gru_assign_gru_context(kgts, blade_id)) { + while (!gru_assign_gru_context(kgts)) { msleep(1); - gru_steal_context(kgts, blade_id); + gru_steal_context(kgts); } gru_load_context(kgts); gru = bs->bs_kgts->ts_gru; -- cgit v1.2.3