[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[patch V2 34/38] x86/cpu/amd; Invoke detect_extended_topology_early() on boot CPU



From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

The early detection stores the extended topology leaf number which is
required for parallel hotplug.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

---
 arch/x86/kernel/cpu/amd.c |    2 ++
 1 file changed, 2 insertions(+)
---
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -692,6 +692,8 @@ static void early_init_amd(struct cpuinf
                }
        }
 
+       detect_extended_topology_early(c);
+
        if (cpu_has(c, X86_FEATURE_TOPOEXT))
                smp_num_siblings = ((cpuid_ebx(0x8000001e) >> 8) & 0xff) + 1;
 }




 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.