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sgi-gru: macro for scanning all gru chiplets

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Add macro for scanning all active GRU chiplets.  Maximum chiplet id is
saved during GRU initialization.

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>
This commit is contained in:
Jack Steiner
2009-04-02 16:59:10 -07:00
committed by Linus Torvalds
parent 6f2584f474
commit e1c3219d06
4 changed files with 14 additions and 13 deletions
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11
drivers/misc/sgi-gru/grufault.c
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@@ -600,18 +600,11 @@ static int gru_unload_all_contexts(void)
{
struct gru_thread_state *gts;
struct gru_state *gru;
int maxgid, gid, ctxnum;
int nodesperblade;
int gid, ctxnum;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (num_online_nodes() > 1 &&
(uv_node_to_blade_id(1) == uv_node_to_blade_id(0)))
nodesperblade = 2;
else
nodesperblade = 1;
maxgid = GRU_CHIPLETS_PER_BLADE * num_online_nodes() / nodesperblade;
for (gid = 0; gid < maxgid; gid++) {
foreach_gid(gid) {
gru = GID_TO_GRU(gid);
spin_lock(&gru->gs_lock);
for (ctxnum = 0; ctxnum < GRU_NUM_CCH; ctxnum++) {