mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
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>
This commit is contained in:
parent
fe921c8c39
commit
822e71224e
1 changed files with 5 additions and 3 deletions
|
@ -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();
|
||||
|
||||
|
|
Loading…
Reference in a new issue