linux-kernel - [PATCH 13/52] use disabled

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Date:	Mon,  3 Mar 2008 14:12:41 -0300
From:	Glauber Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, glommer@...il.com, mingo@...e.hu,
	tglx@...utronix.de, Glauber Costa <gcosta@...hat.com>
Subject: [PATCH 13/52] use disabled_cpus in i386

this patch allows a cpu to be marked as present but disabled in i386,
just as x86_64 currently does.

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 arch/x86/kernel/mpparse_32.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index f349e68..b2aded3 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -70,6 +70,8 @@ unsigned int boot_cpu_physical_apicid = -1U;
 /* Internal processor count */
 unsigned int num_processors;
 
+unsigned disabled_cpus __cpuinitdata;
+
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map;
 
@@ -108,8 +110,10 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
  	int ver, apicid;
 	physid_mask_t phys_cpu;
  	
-	if (!(m->mpc_cpuflag & CPU_ENABLED))
+	if (!(m->mpc_cpuflag & CPU_ENABLED)) {
+		disabled_cpus++;
 		return;
+	}
 
 	apicid = mpc_apic_id(m, translation_table[mpc_record]);
 
-- 
1.5.0.6

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