[PATCH 3/3] X86, UV: Update UV APIC HUB check

[Mike Travis]

Update check for UV2000/3000.  Note when HUB is not recognized.

Signed-off-by: Mike Travis <travis@xxxxxxx>
Acked-by: Hedi Berriche <hedi@xxxxxxx>
Acked-by: Dimitri Sivanich <sivanich@xxxxxxx>
---
 arch/x86/kernel/apic/x2apic_uv_x.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

--- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c
+++ linux/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();
 

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