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-rw-r--r--arch/powerpc/include/asm/paca.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 65d0ffb2aa33..140ddb9ae5a8 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -173,6 +173,11 @@ struct paca_struct {
u8 thread_mask;
/* Mask to denote subcore sibling threads */
u8 subcore_sibling_mask;
+ /*
+ * Pointer to an array which contains pointer
+ * to the sibling threads' paca.
+ */
+ struct paca_struct **thread_sibling_pacas;
#endif
#ifdef CONFIG_PPC_BOOK3S_64