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authorThomas Falcon <tlfalcon@linux.vnet.ibm.com>2014-09-12 14:11:41 -0500
committerMichael Ellerman <mpe@ellerman.id.au>2014-09-25 23:14:47 +1000
commit822e71224e07f07a07c385be869fe416ce436430 (patch)
tree7676295684f085120a254760aad5382c31fb7edf /arch/powerpc/platforms/pseries
parentfe921c8c3957dec5022b12fb858f8cb489e1b2bb (diff)
pseries: Fix endian issues in onlining cpu threads
The ibm,ppc-interrupt-server#s property is in big endian format. These values need to be converted when used by little endian architectures. Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 55a1b2f681e..096337853dd 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -364,7 +364,8 @@ static int dlpar_online_cpu(struct device_node *dn)
int rc = 0;
unsigned int cpu;
int len, nthreads, i;
- const u32 *intserv;
+ const __be32 *intserv;
+ u32 thread;
intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);
if (!intserv)
@@ -374,8 +375,9 @@ static int dlpar_online_cpu(struct device_node *dn)
cpu_maps_update_begin();
for (i = 0; i < nthreads; i++) {
+ thread = be32_to_cpu(intserv[i]);
for_each_present_cpu(cpu) {
- if (get_hard_smp_processor_id(cpu) != intserv[i])
+ if (get_hard_smp_processor_id(cpu) != thread)
continue;
BUG_ON(get_cpu_current_state(cpu)
!= CPU_STATE_OFFLINE);
@@ -389,7 +391,7 @@ static int dlpar_online_cpu(struct device_node *dn)
}
if (cpu == num_possible_cpus())
printk(KERN_WARNING "Could not find cpu to online "
- "with physical id 0x%x\n", intserv[i]);
+ "with physical id 0x%x\n", thread);
}
cpu_maps_update_done();