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gru: fix GRU interrupt race at deallocate

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Fix a race where an interrupt could be received for a GRU context that has
been deallocated.

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
2009-12-15 16:48:18 -08:00
committed by Linus Torvalds
parent 74ccd09526
commit 2ce4d4c937
3 changed files with 19 additions and 7 deletions
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drivers/misc/sgi-gru/gruprocfs.c
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@@ -66,6 +66,7 @@ static int statistics_show(struct seq_file *s, void *p)
printstat(s, intr);
printstat(s, intr_cbr);
printstat(s, intr_tfh);
printstat(s, intr_spurious);
printstat(s, intr_mm_lock_failed);
printstat(s, call_os);
printstat(s, call_os_wait_queue);