linux-kernel - [PATCH 5/6 v6] SGI RTC: loop through installed UV blades

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Date:	Tue, 3 Mar 2009 09:20:16 -0600
From:	Dimitri Sivanich <sivanich@....com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	john stultz <johnstul@...ibm.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 5/6 v6] SGI RTC: loop through installed UV blades

Add macro to loop through each possible blade.

Signed-off-by: Dimitri Sivanich <sivanich@....com>

---

 arch/x86/include/asm/uv/uv_hub.h |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux/arch/x86/include/asm/uv/uv_hub.h
===================================================================
--- linux.orig/arch/x86/include/asm/uv/uv_hub.h	2009-03-02 08:20:20.000000000 -0600
+++ linux/arch/x86/include/asm/uv/uv_hub.h	2009-03-02 08:20:57.000000000 -0600
@@ -179,6 +179,10 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __
 #define LOCAL_BUS_BASE		0x1c00000
 #define LOCAL_BUS_SIZE		(4 * 1024 * 1024)
 
+/* Loop through all installed blades */
+#define for_each_possible_blade(bid)                    \
+	for ((bid) = 0; (bid) < uv_num_possible_blades(); (bid)++)
+
 /*
  * System Controller Interface Reg
  *
--
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