# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID b04e24db308f2215c6bafaf358d1c10da79f244f
# Parent 965d3e42dddaf5971001f7d172d192f925537644
[XEN][POWERPC] get cpu_*_maps correct so physinfo and affinity is accurate
Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
---
xen/arch/powerpc/powerpc64/ppc970.c | 7 ++++++-
xen/arch/powerpc/setup.c | 19 +++++++++++++------
xen/arch/powerpc/sysctl.c | 10 +++++++---
xen/include/asm-powerpc/processor.h | 1 +
4 files changed, 27 insertions(+), 10 deletions(-)
diff -r 965d3e42ddda -r b04e24db308f xen/arch/powerpc/powerpc64/ppc970.c
--- a/xen/arch/powerpc/powerpc64/ppc970.c Sun Dec 17 12:36:31 2006 -0500
+++ b/xen/arch/powerpc/powerpc64/ppc970.c Sun Dec 17 12:40:10 2006 -0500
@@ -129,7 +129,6 @@ unsigned int cpu_extent_order(void)
return log_large_page_sizes[0] - PAGE_SHIFT;
}
-
/* This is more a platform thing than a CPU thing, but we only have
* one platform now */
int cpu_io_mfn(ulong mfn)
@@ -141,6 +140,12 @@ int cpu_io_mfn(ulong mfn)
return 0;
}
+
+int cpu_threads(int cpuid)
+{
+ return 1;
+}
+
static u64 cpu0_hids[6];
static u64 cpu0_hior;
diff -r 965d3e42ddda -r b04e24db308f xen/arch/powerpc/setup.c
--- a/xen/arch/powerpc/setup.c Sun Dec 17 12:36:31 2006 -0500
+++ b/xen/arch/powerpc/setup.c Sun Dec 17 12:40:10 2006 -0500
@@ -179,9 +179,6 @@ static void __init start_of_day(void)
set_current(idle_domain->vcpu[0]);
idle_vcpu[0] = current;
- /* for some reason we need to set our own bit in the thread map */
- cpu_set(0, cpu_sibling_map[0]);
-
initialize_keytable();
/* Register another key that will allow for the the Harware Probe
* to be contacted, this works with RiscWatch probes and should
@@ -247,6 +244,19 @@ static int kick_secondary_cpus(int maxcp
int cpuid;
for_each_present_cpu(cpuid) {
+ int threads;
+ int i;
+
+ threads = cpu_threads(cpuid);
+ for (i = 0; i < threads; i++)
+ cpu_set(i, cpu_sibling_map[cpuid]);
+
+ /* For now everything is single core */
+ cpu_set(0, cpu_core_map[cpuid]);
+
+ numa_set_node(cpuid, 0);
+ numa_add_cpu(cpuid);
+
if (cpuid == 0)
continue;
if (cpuid >= maxcpus)
@@ -257,9 +267,6 @@ static int kick_secondary_cpus(int maxcp
/* wait for it */
while (!cpu_online(cpuid))
cpu_relax();
-
- numa_set_node(cpuid, 0);
- numa_add_cpu(cpuid);
}
return 0;
diff -r 965d3e42ddda -r b04e24db308f xen/arch/powerpc/sysctl.c
--- a/xen/arch/powerpc/sysctl.c Sun Dec 17 12:36:31 2006 -0500
+++ b/xen/arch/powerpc/sysctl.c Sun Dec 17 12:40:10 2006 -0500
@@ -41,9 +41,13 @@ long arch_do_sysctl(struct xen_sysctl *s
{
xen_sysctl_physinfo_t *pi = &sysctl->u.physinfo;
- pi->threads_per_core = 1;
- pi->cores_per_socket = 1;
- pi->sockets_per_node = 1;
+ pi->threads_per_core =
+ cpus_weight(cpu_sibling_map[0]);
+ pi->cores_per_socket =
+ cpus_weight(cpu_core_map[0]) / pi->threads_per_core;
+ pi->sockets_per_node =
+ num_online_cpus() / cpus_weight(cpu_core_map[0]);
+
pi->nr_nodes = 1;
pi->total_pages = total_pages;
pi->free_pages = avail_domheap_pages();
diff -r 965d3e42ddda -r b04e24db308f xen/include/asm-powerpc/processor.h
--- a/xen/include/asm-powerpc/processor.h Sun Dec 17 12:36:31 2006 -0500
+++ b/xen/include/asm-powerpc/processor.h Sun Dec 17 12:40:10 2006 -0500
@@ -125,6 +125,7 @@ extern void cpu_initialize(int cpuid);
extern void cpu_initialize(int cpuid);
extern void cpu_init_vcpu(struct vcpu *);
extern int cpu_io_mfn(ulong mfn);
+extern int cpu_threads(int cpuid);
extern void save_cpu_sprs(struct vcpu *);
extern void load_cpu_sprs(struct vcpu *);
extern void flush_segments(void);
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