linux-kernel - [tip:x86/apic] x86: consistent about warm_reset_vector for UN_NON_UNIQUE

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Message-ID: <tip-02421f98ec55c3ff118f358740ff640f096c7ad6@git.kernel.org>
Date:	Wed, 8 Apr 2009 13:00:45 GMT
From:	Yinghai Lu <yinghai@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/apic] x86: consistent about warm_reset_vector for UN_NON_UNIQUE_APIC

Commit-ID:  02421f98ec55c3ff118f358740ff640f096c7ad6
Gitweb:     http://git.kernel.org/tip/02421f98ec55c3ff118f358740ff640f096c7ad6
Author:     Yinghai Lu <yinghai@...nel.org>
AuthorDate: Fri, 3 Apr 2009 17:15:53 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 8 Apr 2009 14:50:28 +0200

x86: consistent about warm_reset_vector for UN_NON_UNIQUE_APIC

Impact: cleanup

didn't set it for UV_NON_UNIQUE_APIC, so don't restore it

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
LKML-Reference: <49D6A6B9.6060501@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/smpboot.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index bddf2cc..bf8ad63 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -822,10 +822,12 @@ do_rest:
 	/* mark "stuck" area as not stuck */
 	*((volatile unsigned long *)trampoline_base) = 0;
 
-	/*
-	 * Cleanup possible dangling ends...
-	 */
-	smpboot_restore_warm_reset_vector();
+	if (get_uv_system_type() != UV_NON_UNIQUE_APIC) {
+		/*
+		 * Cleanup possible dangling ends...
+		 */
+		smpboot_restore_warm_reset_vector();
+	}
 
 	return boot_error;
 }
--
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