Messages in this thread Patch in this message | | | Date | Fri, 6 Jan 2012 13:19:00 -0600 | From | Jack Steiner <> | Subject | [PATCH] x86, UV: Update Boot messages for SGI UV2 platform |
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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>
--- arch/x86/kernel/apic/x2apic_uv_x.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
Index: linux/arch/x86/kernel/apic/x2apic_uv_x.c =================================================================== --- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c 2012-01-06 13:07:05.000000000 -0600 +++ linux/arch/x86/kernel/apic/x2apic_uv_x.c 2012-01-06 13:08:36.935895457 -0600 @@ -781,7 +781,12 @@ 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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