* [PATCH BUGFIX] x86: Prevent /sys/firmware/sgi_uv from being created on non-uv systems
@ 2009-03-06 0:19 Russ Anderson
0 siblings, 0 replies; 2+ messages in thread
From: Russ Anderson @ 2009-03-06 0:19 UTC (permalink / raw)
To: linux-kernel
/sys/firmware/sgi_uv should only be created on uv systems.
Signed-off-by: Russ Anderson <rja@sgi.com>
---
arch/x86/kernel/uv_sysfs.c | 4 ++++
1 file changed, 4 insertions(+)
Index: linux/arch/x86/kernel/uv_sysfs.c
===================================================================
--- linux.orig/arch/x86/kernel/uv_sysfs.c 2009-03-05 14:22:40.000000000 -0600
+++ linux/arch/x86/kernel/uv_sysfs.c 2009-03-05 14:59:16.000000000 -0600
@@ -21,6 +21,7 @@
#include <linux/sysdev.h>
#include <asm/uv/bios.h>
+#include <asm/genapic.h>
struct kobject *sgi_uv_kobj;
@@ -46,6 +47,9 @@ static struct kobj_attribute coherence_i
static int __init sgi_uv_sysfs_init(void)
{
unsigned long ret;
+
+ if (!is_uv_system())
+ return -ENODEV;
if (!sgi_uv_kobj)
sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* [patch bugfix] x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems
@ 2009-04-03 22:09 Russ Anderson
0 siblings, 0 replies; 2+ messages in thread
From: Russ Anderson @ 2009-04-03 22:09 UTC (permalink / raw)
To: linux-next, Ingo Molnar; +Cc: Russ Anderson
/sys/firmware/sgi_uv should only be created on uv systems.
Signed-off-by: Russ Anderson <rja@sgi.com>
---
arch/x86/kernel/uv_sysfs.c | 4 ++++
1 file changed, 4 insertions(+)
Index: linux/arch/x86/kernel/uv_sysfs.c
===================================================================
--- linux.orig/arch/x86/kernel/uv_sysfs.c 2009-04-03 17:02:45.000000000 -0500
+++ linux/arch/x86/kernel/uv_sysfs.c 2009-04-03 17:02:49.000000000 -0500
@@ -21,6 +21,7 @@
#include <linux/sysdev.h>
#include <asm/uv/bios.h>
+#include <asm/genapic.h>
struct kobject *sgi_uv_kobj;
@@ -46,6 +47,9 @@ static struct kobj_attribute coherence_i
static int __init sgi_uv_sysfs_init(void)
{
unsigned long ret;
+
+ if (!is_uv_system())
+ return -ENODEV;
if (!sgi_uv_kobj)
sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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