From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ashok Raj Date: Tue, 14 Feb 2006 23:01:11 +0000 Subject: [patch 1/2] Dont set NR_CPUS for cpu_possible_map when CPU hotplug is enabled. Message-Id: <20060214230622.236017529@csdlinux-2.jf.intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Do not set cpu_possible_map for NR_CPUS when ACPI_CONFIG_HOTPLUG_CPU is set. Signed-off-by: Ashok Raj --------------------------------------------------------------------- arch/ia64/kernel/smpboot.c | 5 +---- 1 files changed, 1 insertion(+), 4 deletions(-) Index: linux-2.6.16-rc3-mm1/arch/ia64/kernel/smpboot.c =================================--- linux-2.6.16-rc3-mm1.orig/arch/ia64/kernel/smpboot.c +++ linux-2.6.16-rc3-mm1/arch/ia64/kernel/smpboot.c @@ -135,7 +135,7 @@ DEFINE_PER_CPU(int, cpu_state); /* Bitmasks of currently online, and possible CPUs */ cpumask_t cpu_online_map; EXPORT_SYMBOL(cpu_online_map); -cpumask_t cpu_possible_map; +cpumask_t cpu_possible_map = CPU_MASK_NONE; EXPORT_SYMBOL(cpu_possible_map); cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; @@ -558,9 +558,6 @@ smp_build_cpu_map (void) for (cpu = 0; cpu < NR_CPUS; cpu++) { ia64_cpu_to_sapicid[cpu] = -1; -#ifdef CONFIG_HOTPLUG_CPU - cpu_set(cpu, cpu_possible_map); -#endif } ia64_cpu_to_sapicid[0] = boot_cpu_id; --