[perfmon2] [PATCH 3/7] : Add arch private data to pfm_arch_context

[TakashiYamamoto <Tak...@jp...>]

This patch add an arch private data pointer to pfm_arch_context structure.
It is used to keep the spu notifier and the spu pointer. 

The spu notifier is used to know the Cell SPE context switch.

Signed-off-by: Takashi Yamamoto <Tak...@jp...>
---
 include/asm-powerpc/perfmon_kern.h |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/include/asm-powerpc/perfmon_kern.h
+++ b/include/asm-powerpc/perfmon_kern.h
@@ -439,6 +439,12 @@ struct pfm_arch_context {
 	u64 powergs_pmc5, powergs_pmc6;
 	u64 delta_tb, delta_tb_start;
 	u64 delta_purr, delta_purr_start;
+
+	/*
+	 * for cell-spe-follow mode
+	 */
+	struct notifier_block   ctxsw_notifier;
+	void                    *arg;
 };
 
 #define PFM_ARCH_CTX_SIZE sizeof(struct pfm_arch_context)