linux-kernel - [tip:x86/apic] x86, apic: Get rid of apicid_to_cpu

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Message-ID: <tip-f4a70c55376683213229af7266dc57ad81aee354@git.kernel.org>
Date:	Mon, 9 Nov 2009 09:27:44 GMT
From:	tip-bot for Cyrill Gorcunov <gorcunov@...nvz.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	gorcunov@...nvz.org, peterz@...radead.org, sfr@...b.auug.org.au,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/apic] x86, apic: Get rid of apicid_to_cpu_present assign on 64-bit

Commit-ID:  f4a70c55376683213229af7266dc57ad81aee354
Gitweb:     http://git.kernel.org/tip/f4a70c55376683213229af7266dc57ad81aee354
Author:     Cyrill Gorcunov <gorcunov@...nvz.org>
AuthorDate: Sun, 8 Nov 2009 16:16:45 +0300
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 8 Nov 2009 19:46:17 +0100

x86, apic: Get rid of apicid_to_cpu_present assign on 64-bit

In fact it's never get used on x86-64 (for 64 bit platform
we use differ technique to enumerate io-units).

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <20091108131645.GD5300@...ovo>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/apic/apic_noop.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index 9ab6ffb..89629f6 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -162,7 +162,12 @@ struct apic apic_noop = {
 
 	.cpu_to_logical_apicid		= noop_cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= default_cpu_present_to_apicid,
+
+#ifdef CONFIG_X86_32
 	.apicid_to_cpu_present		= default_apicid_to_cpu_present,
+#else
+	.apicid_to_cpu_present		= NULL,
+#endif
 
 	.setup_portio_remap		= NULL,
 	.check_phys_apicid_present	= default_check_phys_apicid_present,
--
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