From: Alex Chiang <achiang@hp.com>
To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Cc: linux-acpi@vger.kernel.org, Alex Chiang <achiang@hp.com>,
Paul Mackerras <paulus@samba.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH 07/14] [POWERPC] Populate cpu_enabled_map
Date: Mon, 14 Jul 2008 20:34:20 -0600 [thread overview]
Message-ID: <20080715023420.2528.44404.stgit@blender.achiang> (raw)
In-Reply-To: <20080715023344.2528.1836.stgit@blender.achiang>
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@hp.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/kernel/setup-common.c | 1 +
arch/powerpc/platforms/powermac/smp.c | 1 +
arch/powerpc/platforms/pseries/hotplug-cpu.c | 2 ++
3 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index db540ea..a4c894a 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -413,6 +413,7 @@ void __init smp_setup_cpu_maps(void)
DBG(" thread %d -> cpu %d (hard id %d)\n",
j, cpu, intserv[j]);
cpu_set(cpu, cpu_present_map);
+ cpu_set(cpu, cpu_enabled_map);
set_hard_smp_processor_id(cpu, intserv[j]);
cpu_set(cpu, cpu_possible_map);
cpu++;
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index cb2d894..a74dada 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -317,6 +317,7 @@ static int __init smp_psurge_probe(void)
ncpus = NR_CPUS;
for (i = 1; i < ncpus ; ++i) {
cpu_set(i, cpu_present_map);
+ cpu_set(i, cpu_enabled_map);
set_hard_smp_processor_id(i, i);
}
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 1f03248..e738b07 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -186,6 +186,7 @@ static int pseries_add_processor(struct device_node *np)
for_each_cpu_mask(cpu, tmp) {
BUG_ON(cpu_isset(cpu, cpu_present_map));
cpu_set(cpu, cpu_present_map);
+ cpu_set(cpu, cpu_enabled_map);
set_hard_smp_processor_id(cpu, *intserv++);
}
err = 0;
@@ -218,6 +219,7 @@ static void pseries_remove_processor(struct device_node *np)
continue;
BUG_ON(cpu_online(cpu));
cpu_clear(cpu, cpu_present_map);
+ cpu_clear(cpu, cpu_enabled_map);
set_hard_smp_processor_id(cpu, -1);
break;
}
next prev parent reply other threads:[~2008-07-15 2:34 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-15 2:33 [PATCH 00/14] Introduce cpu_enabled_map and friends Alex Chiang
2008-07-15 2:33 ` Alex Chiang
2008-07-15 2:33 ` [PATCH 01/14] " Alex Chiang
2008-07-15 3:15 ` Matthew Wilcox
2008-07-15 10:03 ` Andi Kleen
2008-07-15 10:03 ` Andi Kleen
2008-07-15 10:21 ` Russell King
2008-07-15 17:57 ` Alex Chiang
2008-07-15 17:57 ` Alex Chiang
2008-07-15 18:16 ` Matthew Wilcox
2008-07-15 18:16 ` Matthew Wilcox
2008-07-15 18:48 ` Russell King
2008-07-15 19:15 ` Alex Chiang
2008-07-18 21:44 ` Russell King
2008-07-18 23:08 ` Alex Chiang
2008-07-18 23:08 ` Alex Chiang
2008-07-16 1:11 ` Alex Chiang
2008-07-16 1:11 ` Alex Chiang
2008-07-15 2:33 ` [PATCH 02/14] [M32R] Populate cpu_enabled_map Alex Chiang
2008-07-15 2:33 ` Alex Chiang
2008-07-15 2:33 ` [PATCH 03/14] [ALPHA] " Alex Chiang
2008-07-15 2:33 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 04/14] [ARM] " Alex Chiang
2008-07-15 2:34 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 05/14] [MIPS] " Alex Chiang
2008-07-15 2:34 ` [PATCH 06/14] [PARISC] " Alex Chiang
2008-07-15 2:34 ` Alex Chiang [this message]
2008-07-15 5:51 ` [PATCH 07/14] [POWERPC] " Benjamin Herrenschmidt
2008-07-16 1:04 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 08/14] [S390] " Alex Chiang
2008-07-15 2:34 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 09/14] [SH] " Alex Chiang
2008-07-15 2:34 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 12/14] [IA64] Populate and use cpu_enabled_map Alex Chiang
2008-07-15 2:34 ` [PATCH 13/14] [IA64] Avoid overflowing ia64_cpu_to_sapicid in acpi_map_lsapic() Alex Chiang
2008-07-15 2:34 ` Alex Chiang
2008-07-15 2:34 ` [PATCH 14/14] ACPI: Provide /sys/devices/system/cpu/cpuN/deconfigure Alex Chiang
2008-07-15 2:56 ` [PATCH 11/14] x86: Populate cpu_enabled_map Alex Chiang
2008-07-18 20:00 ` H. Peter Anvin
2008-07-18 20:00 ` H. Peter Anvin
2008-07-18 23:06 ` Alex Chiang
2008-07-15 20:10 ` [PATCH 00/14] Introduce cpu_enabled_map and friends Luck, Tony
2008-07-15 20:10 ` Luck, Tony
2008-07-15 23:54 ` Alex Chiang
2008-07-15 23:54 ` Alex Chiang
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