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authorJack Steiner <steiner@sgi.com>2012-01-06 13:19:00 -0600
committerIngo Molnar <mingo@elte.hu>2012-01-08 12:35:44 +0100
commitda517a08ac5913cd80ce3507cddd00f2a091b13c (patch)
tree32a8c206e8a9fceaa9f348d4f1c01c5175dd61fa /arch/x86/kernel/apic
parentedf7c8148ec40c0fd27c0ef3f688defcc65e3913 (diff)
downloadblackbird-op-linux-da517a08ac5913cd80ce3507cddd00f2a091b13c.tar.gz
blackbird-op-linux-da517a08ac5913cd80ce3507cddd00f2a091b13c.zip
x86, UV: Update Boot messages for SGI UV2 platform
SGI UV systems print a message during boot: UV: Found <num> blades Due to packaging changes, the blade count is not accurate for on the next generation of the platform. This patch corrects the count. Signed-off-by: Jack Steiner <steiner@sgi.com> Cc: <stable@kernel.org> Link: http://lkml.kernel.org/r/20120106191900.GA19772@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 9d59bbacd4e3..79b05b88aa19 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -769,7 +769,12 @@ void __init uv_system_init(void)
for(i = 0; i < UVH_NODE_PRESENT_TABLE_DEPTH; i++)
uv_possible_blades +=
hweight64(uv_read_local_mmr( UVH_NODE_PRESENT_TABLE + i * 8));
- printk(KERN_DEBUG "UV: Found %d blades\n", uv_num_possible_blades());
+
+ /* uv_num_possible_blades() is really the hub count */
+ printk(KERN_INFO "UV: Found %d blades, %d hubs\n",
+ is_uv1_hub() ? uv_num_possible_blades() :
+ (uv_num_possible_blades() + 1) / 2,
+ uv_num_possible_blades());
bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades();
uv_blade_info = kzalloc(bytes, GFP_KERNEL);
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