Messages in this thread Patch in this message | | | From | stefano.stabellini@eu ... | Subject | [PATCH v4 05/10] xen: use vcpu_ops to setup cpu masks | Date | Tue, 19 Oct 2010 12:17:13 +0100 |
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From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- arch/x86/xen/smp.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 25f232b..1386767 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -156,11 +156,16 @@ static void __init xen_fill_possible_map(void) { int i, rc; + num_processors = 0; + disabled_cpus = 0; for (i = 0; i < nr_cpu_ids; i++) { rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL); if (rc >= 0) { num_processors++; set_cpu_possible(i, true); + } else { + set_cpu_possible(i, false); + set_cpu_present(i, false); } } } @@ -190,6 +195,8 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus) if (xen_smp_intr_init(0)) BUG(); + xen_fill_possible_map(); + if (!alloc_cpumask_var(&xen_cpu_initialized_map, GFP_KERNEL)) panic("could not allocate xen_cpu_initialized_map\n"); @@ -480,6 +487,5 @@ static const struct smp_ops xen_smp_ops __initdata = { void __init xen_smp_init(void) { smp_ops = xen_smp_ops; - xen_fill_possible_map(); xen_init_spinlocks(); } -- 1.5.6.5
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