linux-kernel - [PATCH 2/8] x86: apic - introduce get_physical

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Message-Id: <919ba12b3b4b9748ef7ed17fc92ca053e81a6507.1219491572.git.gorcunov@gmail.com>
Date:	Sat, 23 Aug 2008 17:01:19 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	mingo@...e.hu, macro@...ux-mips.org
Cc:	yhlu.kernel@...il.com, hpa@...or.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, Cyrill Gorcunov <gorcunov@...il.com>
Subject: [PATCH 2/8] x86: apic - introduce get_physical_broadcast for 64bit

We don't really use it now on 64bit mode but
could reserve it for future.

Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
---
 arch/x86/kernel/apic_64.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 5c908dc..6272c60 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -241,6 +241,14 @@ void __cpuinit enable_NMI_through_LVT0(void)
 }
 
 /**
+ * get_physical_broadcast - Get number of physical broadcast IDs
+ */
+int get_physical_broadcast(void)
+{
+	return modern_apic() ? 0xff : 0xf;
+}
+
+/**
  * lapic_get_maxlvt - get the maximum number of local vector table entries
  */
 int lapic_get_maxlvt(void)
-- 
1.6.0.6.gc667

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