linux-kernel - [PATCH 03/13] [VOYAGER] x86: add prefill_possible_map to x86

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Message-Id: <1236530906-7175-4-git-send-email-James.Bottomley@HansenPartnership.com>
Date:	Sun,  8 Mar 2009 11:48:16 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	James Bottomley <James.Bottomley@...senPartnership.com>
Subject: [PATCH 03/13] [VOYAGER] x86: add prefill_possible_map to x86_quirks

Voyager needs a different prefill of the possible map, so abstract the
operation through the x86 quirks mechanism.

Signed-off-by: James Bottomley <James.Bottomley@...senPartnership.com>
---
 arch/x86/include/asm/setup.h |    1 +
 arch/x86/kernel/setup.c      |    5 ++++-
 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 05c6f6b..7782327 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -31,6 +31,7 @@ struct x86_quirks {
 	void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
 				unsigned short oemsize);
 	int (*setup_ioapic_ids)(void);
+	void (*prefill_possible_map)(void);
 };
 
 extern void x86_quirk_pre_intr_init(void);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4c54bc0..797f7d7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -937,7 +937,10 @@ void __init setup_arch(char **cmdline_p)
 		get_smp_config();
 #endif
 
-	prefill_possible_map();
+	if (x86_quirks->prefill_possible_map)
+		x86_quirks->prefill_possible_map();
+	else
+		prefill_possible_map();
 
 #ifdef CONFIG_X86_64
 	init_cpu_to_node();
-- 
1.6.1.3

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