linux-kernel - [PATCH 05/14] [MIPS] Populate cpu_enabled

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Message-ID: <20080715023410.2528.66597.stgit@blender.achiang>
Date:	Mon, 14 Jul 2008 20:34:10 -0600
From:	Alex Chiang <achiang@...com>
To:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Cc:	linux-acpi@...r.kernel.org, Alex Chiang <achiang@...com>,
	Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH 05/14] [MIPS] Populate cpu_enabled_map

Populate the cpu_enabled_map correctly.

Note that this patch does not actually make any decisions based
on the contents of the map.

However, as the map is presented via sysfs in:

	/sys/devices/system/cpu/

It should be populated correctly.

Signed-off-by: Alex Chiang <achiang@...com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
---

 arch/mips/kernel/smp.c  |    1 +
 arch/mips/kernel/smtc.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index cdf87a9..8f7f742 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -304,6 +304,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	set_cpu_sibling_map(0);
 #ifndef CONFIG_HOTPLUG_CPU
 	cpu_present_map = cpu_possible_map;
+	cpu_enabled_map = cpu_possible_map;
 #endif
 }
 
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 3e86318..b0c16e0 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -498,6 +498,7 @@ void mipsmt_prepare_cpus(void)
 	while (tc < (((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1)) {
 		cpu_clear(tc, phys_cpu_present_map);
 		cpu_clear(tc, cpu_present_map);
+		cpu_clear(tc, cpu_enabled_map);
 		tc++;
 	}
 

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