[Xen-devel] [RFC 1/5] xen/arm: domain_build: setting opt_dom0_max_vcpus according to cpupool0 info

[van.freenix@xxxxxxxxx]

From: Peng Fan <peng.fan@xxxxxxx>

Setting opt_dom0_max_vcpus according to cpu_valid in cpupool0.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/domain_build.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 35ab08d..d171c39 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -5,6 +5,7 @@
 #include <xen/mm.h>
 #include <xen/domain_page.h>
 #include <xen/sched.h>
+#include <xen/sched-if.h>
 #include <asm/irq.h>
 #include <asm/regs.h>
 #include <xen/errno.h>
@@ -59,7 +60,7 @@ custom_param("dom0_mem", parse_dom0_mem);
 struct vcpu *__init alloc_dom0_vcpu0(struct domain *dom0)
 {
     if ( opt_dom0_max_vcpus == 0 )
-        opt_dom0_max_vcpus = num_online_cpus();
+        opt_dom0_max_vcpus = cpumask_weight(cpupool0->cpu_valid);
     if ( opt_dom0_max_vcpus > MAX_VIRT_CPUS )
         opt_dom0_max_vcpus = MAX_VIRT_CPUS;
 
-- 
2.6.6


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