From: Shannon Nelson <shannon.nelson@intel.com>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Cc: chris.leech@gmail.com, ak@suse.de, tony.luck@intel.com,
shannon.nelson@intel.com
Subject: [PATCH -mm] IOAT: fix for UP use of cpu_physical_id()
Date: Mon, 20 Aug 2007 13:29:08 -0700 [thread overview]
Message-ID: <20070820202908.14306.31248.stgit@localhost.localdomain> (raw)
Make sure we can use cpu_physical_id() even when compiled for
uni-processor.
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Chris Leech <chris.leech@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
---
drivers/dma/ioat_dca.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/ioat_dca.c b/drivers/dma/ioat_dca.c
index c3a500b..b1af49c 100644
--- a/drivers/dma/ioat_dca.c
+++ b/drivers/dma/ioat_dca.c
@@ -25,6 +25,14 @@
#include <linux/smp.h>
#include <linux/interrupt.h>
#include <linux/dca.h>
+
+// either a kernel change is needed, or we need something like this in kernel
+#ifndef CONFIG_SMP
+#include <asm/smp.h>
+#undef cpu_physical_id
+#define cpu_physical_id(cpu) (cpuid_ebx(1) >> 24)
+#endif
+
#include "ioatdma.h"
#include "ioatdma_registers.h"
next reply other threads:[~2007-08-20 20:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-20 20:29 Shannon Nelson [this message]
2007-08-20 22:26 ` [PATCH -mm] IOAT: fix for UP use of cpu_physical_id() H. Peter Anvin
2007-08-20 23:21 ` Nelson, Shannon
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