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From: Mike Travis <travis@sgi.com>
To: Ingo Molnar <mingo@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: Hedi Berriche <hedi@sgi.com>, Dimitri Sivanich <sivanich@sgi.com>,
	x86@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] X86, UV: Update UV APIC HUB check
Date: Thu, 09 Apr 2015 13:26:31 -0500	[thread overview]
Message-ID: <20150409182629.267239403@asylum.americas.sgi.com> (raw)
In-Reply-To: <20150409182628.627594537@asylum.americas.sgi.com>

[-- Attachment #1: update-uv-apic-hub-check --]
[-- Type: text/plain, Size: 903 bytes --]

Update check for UV2000/3000.  Note when 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>
---
 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();
 

-- 

  parent reply	other threads:[~2015-04-09 18:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-09 18:26 [PATCH 0/3] UV: Update UV APIC checks for new systems Mike Travis
2015-04-09 18:26 ` [PATCH 1/3] X86, UV: Update UV APIC OEM check Mike Travis
2015-04-10 17:43   ` [tip:x86/apic] x86/apic/uv: Update the APIC UV " tip-bot for Mike Travis
2015-04-09 18:26 ` [PATCH 2/3] X86, UV: Update UV APIC driver check Mike Travis
2015-04-10 17:43   ` [tip:x86/apic] x86/apic/uv: Update the " tip-bot for Mike Travis
2015-04-09 18:26 ` Mike Travis [this message]
2015-04-10 17:44   ` [tip:x86/apic] x86/apic/uv: Update the UV APIC HUB check tip-bot for Mike Travis

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