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Merge tag 'for-linus-4.8b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

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Pull xen regression fix from David Vrabel:
 "Fix SMP boot in arm guests"

* tag 'for-linus-4.8b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  arm/xen: fix SMP guests boot
This commit is contained in:
Linus Torvalds
2016-09-14 08:42:51 -07:00
parent 5924bbecd0 de75abbe01
commit b8f26e880c
1 changed files with 3 additions and 4 deletions
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arch/arm/xen/enlighten.c
+3 -4
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@@ -170,9 +170,6 @@ static int xen_starting_cpu(unsigned int cpu)
pr_info("Xen: initializing cpu%d\n", cpu);
vcpup = per_cpu_ptr(xen_vcpu_info, cpu);
/* Direct vCPU id mapping for ARM guests. */
per_cpu(xen_vcpu_id, cpu) = cpu;
info.mfn = virt_to_gfn(vcpup);
info.offset = xen_offset_in_page(vcpup);
@@ -330,6 +327,7 @@ static int __init xen_guest_init(void)
{
struct xen_add_to_physmap xatp;
struct shared_info *shared_info_page = NULL;
int cpu;
if (!xen_domain())
return 0;
@@ -380,7 +378,8 @@ static int __init xen_guest_init(void)
return -ENOMEM;
/* Direct vCPU id mapping for ARM guests. */
per_cpu(xen_vcpu_id, 0) = 0;
for_each_possible_cpu(cpu)
per_cpu(xen_vcpu_id, cpu) = cpu;
xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames();
if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn,