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Commit 043d0516 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6

parents c101f313 21517a57
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+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ obj-$(CONFIG_IA64_PALINFO) += palinfo.o
obj-$(CONFIG_IOSAPIC)		+= iosapic.o
obj-$(CONFIG_MODULES)		+= module.o
obj-$(CONFIG_SMP)		+= smp.o smpboot.o domain.o
obj-$(CONFIG_NUMA)		+= numa.o
obj-$(CONFIG_PERFMON)		+= perfmon_default_smpl.o
obj-$(CONFIG_IA64_CYCLONE)	+= cyclone.o
obj-$(CONFIG_IA64_MCA_RECOVERY)	+= mca_recovery.o
+3 −1
Original line number Diff line number Diff line
@@ -640,8 +640,10 @@ acpi_boot_init (void)
			if (smp_boot_data.cpu_phys_id[cpu] != hard_smp_processor_id())
				node_cpuid[i++].phys_id = smp_boot_data.cpu_phys_id[cpu];
	}
	build_cpu_to_node_map();
# endif
#endif
#ifdef CONFIG_ACPI_NUMA
	build_cpu_to_node_map();
#endif
	/* Make boot-up look pretty */
	printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus, total_cpus);
+57 −0
Original line number Diff line number Diff line
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * ia64 kernel NUMA specific stuff
 *
 * Copyright (C) 2002 Erich Focht <efocht@ess.nec.de>
 * Copyright (C) 2004 Silicon Graphics, Inc.
 *   Jesse Barnes <jbarnes@sgi.com>
 */
#include <linux/config.h>
#include <linux/topology.h>
#include <linux/module.h>
#include <asm/processor.h>
#include <asm/smp.h>

u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
EXPORT_SYMBOL(cpu_to_node_map);

cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;

/**
 * build_cpu_to_node_map - setup cpu to node and node to cpumask arrays
 *
 * Build cpu to node mapping and initialize the per node cpu masks using
 * info from the node_cpuid array handed to us by ACPI.
 */
void __init build_cpu_to_node_map(void)
{
	int cpu, i, node;

	for(node=0; node < MAX_NUMNODES; node++)
		cpus_clear(node_to_cpu_mask[node]);

	for(cpu = 0; cpu < NR_CPUS; ++cpu) {
		node = -1;
		for (i = 0; i < NR_CPUS; ++i)
			if (cpu_physical_id(cpu) == node_cpuid[i].phys_id) {
				node = node_cpuid[i].nid;
				break;
			}
		cpu_to_node_map[cpu] = (node >= 0) ? node : 0;
		if (node >= 0)
			cpu_set(cpu, node_to_cpu_mask[node]);
	}
}
+2 −0
Original line number Diff line number Diff line
@@ -143,6 +143,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)

		__copy_from_user(current->thread.fph, &sc->sc_fr[32], 96*16);
		psr->mfh = 0;	/* drop signal handler's fph contents... */
		preempt_disable();
		if (psr->dfh)
			ia64_drop_fpu(current);
		else {
@@ -150,6 +151,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
			__ia64_load_fpu(current->thread.fph);
			ia64_set_local_fpu_owner(current);
		}
		preempt_enable();
	}
	return err;
}
+0 −41
Original line number Diff line number Diff line
@@ -525,47 +525,6 @@ smp_build_cpu_map (void)
	}
}

#ifdef CONFIG_NUMA

/* on which node is each logical CPU (one cacheline even for 64 CPUs) */
u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
EXPORT_SYMBOL(cpu_to_node_map);
/* which logical CPUs are on which nodes */
cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;

/*
 * Build cpu to node mapping and initialize the per node cpu masks.
 */
void __init
build_cpu_to_node_map (void)
{
	int cpu, i, node;

	for(node=0; node<MAX_NUMNODES; node++)
		cpus_clear(node_to_cpu_mask[node]);
	for(cpu = 0; cpu < NR_CPUS; ++cpu) {
		/*
		 * All Itanium NUMA platforms I know use ACPI, so maybe we
		 * can drop this ifdef completely.                    [EF]
		 */
#ifdef CONFIG_ACPI_NUMA
		node = -1;
		for (i = 0; i < NR_CPUS; ++i)
			if (cpu_physical_id(cpu) == node_cpuid[i].phys_id) {
				node = node_cpuid[i].nid;
				break;
			}
#else
#		error Fixme: Dunno how to build CPU-to-node map.
#endif
		cpu_to_node_map[cpu] = (node >= 0) ? node : 0;
		if (node >= 0)
			cpu_set(cpu, node_to_cpu_mask[node]);
	}
}

#endif /* CONFIG_NUMA */

/*
 * Cycle through the APs sending Wakeup IPIs to boot each.
 */
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