WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

[Xen-devel] [PATCH 04/12] xen: use vcpu_ops to setup cpu masks

From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 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


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel