lkml.org 
[lkml]   [2012]   [Jan]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] 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>

---
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);

\
 
 \ /
  Last update: 2012-01-06 20:21    [W:0.072 / U:0.584 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site