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-rw-r--r--include/asm-powerpc/paca.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 2d4585f0620..3d5d590bc4b 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -93,6 +93,7 @@ struct paca_struct {
u64 saved_r1; /* r1 save for RTAS calls */
u64 saved_msr; /* MSR saved here by enter_rtas */
u8 proc_enabled; /* irq soft-enable flag */
+ u8 io_sync; /* writel() needs spin_unlock sync */
/* Stuff for accurate time accounting */
u64 user_time; /* accumulated usermode TB ticks */