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Date: Wed, 9 Sep 2009 10:41:05 -0500
From: Jack Steiner <steiner@....com>
To: mingo@...e.hu, tglx@...utronix.de
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] x86: SGU UV Fix IPI macros
UV bios has changed the way interrupt remapping is being done. This
affects the id used for sending IPIs. The upper id bits no longer
need to be masked off.
Signed-off-by: Jack Steiner <steiner@....com>
---
Index: linux/arch/x86/include/asm/uv/uv_hub.h
===================================================================
--- linux.orig/arch/x86/include/asm/uv/uv_hub.h 2009-08-06 16:26:40.000000000 -0500
+++ linux/arch/x86/include/asm/uv/uv_hub.h 2009-08-12 11:11:23.000000000 -0500
@@ -422,7 +422,7 @@ static inline void uv_hub_send_ipi(int p
unsigned long val;
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
- ((apicid & 0x3f) << UVH_IPI_INT_APIC_ID_SHFT) |
+ ((apicid) << UVH_IPI_INT_APIC_ID_SHFT) |
(vector << UVH_IPI_INT_VECTOR_SHFT);
uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
}
--
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