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authorJack Steiner2009-12-16 01:48:05 +0100
committerLinus Torvalds2009-12-16 16:20:15 +0100
commit55484c45dbeca2eec7642932ec3f60f8a2d4bdbf (patch)
tree4927e959a656def901bb105605df4ab6977ab2d1 /drivers/misc/sgi-gru/grufault.c
parentgru: allow users to specify gru chiplet 1 (diff)
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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 <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grufault.c')
-rw-r--r--drivers/misc/sgi-gru/grufault.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index a69d119921ff..321ad809f345 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -546,17 +546,7 @@ int gru_handle_user_call_os(unsigned long cb)
if (ucbnum >= gts->ts_cbr_au_count * GRU_CBR_AU_SIZE)
goto exit;
- /*
- * If force_unload is set, the UPM TLB fault is phony. The task
- * has migrated to another node and the GSEG must be moved. Just
- * unload the context. The task will page fault and assign a new
- * context.
- */
- if (gts->ts_tgid_owner == current->tgid && gts->ts_blade >= 0 &&
- gts->ts_blade != uv_numa_blade_id()) {
- STAT(call_os_offnode_reference);
- gts->ts_force_unload = 1;
- }
+ gru_check_context_placement(gts);
/*
* CCH may contain stale data if ts_force_cch_reload is set.
@@ -771,6 +761,7 @@ int gru_set_context_option(unsigned long arg)
} else {
gts->ts_user_blade_id = req.val1;
gts->ts_user_chiplet_id = req.val0;
+ gru_check_context_placement(gts);
}
break;
case sco_gseg_owner: