gru: bug fixes for GRU exception handling
Bug fixes for GRU exception handling. Additional fields from the CBR must
be returned to the user to allow the user to correctly diagnose GRU
exceptions.
Handle endcase in TFH TLB miss handling. Verify that TFH actually
indicates a pending exception.
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>
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index bf1eeb7..ebf6183 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -207,6 +207,8 @@
atomic_long_t tlb_dropin_fail_range_active;
atomic_long_t tlb_dropin_fail_idle;
atomic_long_t tlb_dropin_fail_fmm;
+ atomic_long_t tlb_dropin_fail_no_exception;
+ atomic_long_t tlb_dropin_fail_no_exception_war;
atomic_long_t mmu_invalidate_range;
atomic_long_t mmu_invalidate_page;
atomic_long_t mmu_clear_flush_young;