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authorMike Travis <travis@sgi.com>2015-04-09 13:26:31 -0500
committerIngo Molnar <mingo@kernel.org>2015-04-10 10:16:08 +0200
commit1912c7afa39d2683a574011ff455fe49ada8016c (patch)
treec3a861f38973ea486bd9b9e3ef9d4945f55a34fc /arch/x86/kernel
parent379b97e280971ef7673db5166c7e0f7ab49b81de (diff)
downloadlinux-1912c7afa39d2683a574011ff455fe49ada8016c.tar.bz2
x86/apic/uv: Update the UV APIC HUB check
Update the check for UV2000/3000. Note when the HUB is not recognized. Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Hedi Berriche <hedi@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Link: http://lkml.kernel.org/r/20150409182629.267239403@asylum.americas.sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index e18962c8b007..c8d92950bc04 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -881,10 +881,14 @@ void __init uv_system_init(void)
unsigned long mmr_base, present, paddr;
unsigned short pnode_mask;
unsigned char n_lshift;
- char *hub = (is_uv1_hub() ? "UV1" :
- (is_uv2_hub() ? "UV2" :
- "UV3"));
+ char *hub = (is_uv1_hub() ? "UV100/1000" :
+ (is_uv2_hub() ? "UV2000/3000" :
+ (is_uv3_hub() ? "UV300" : NULL)));
+ if (!hub) {
+ pr_err("UV: Unknown/unsupported UV hub\n");
+ return;
+ }
pr_info("UV: Found %s hub\n", hub);
map_low_mmrs();