diff options
| author | Thomas Falcon <tlfalcon@linux.vnet.ibm.com> | 2014-09-12 14:11:41 -0500 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-09-25 23:14:47 +1000 |
| commit | 822e71224e07f07a07c385be869fe416ce436430 (patch) | |
| tree | 7676295684f085120a254760aad5382c31fb7edf /arch/powerpc/platforms/pseries/dlpar.c | |
| parent | fe921c8c3957dec5022b12fb858f8cb489e1b2bb (diff) | |
| download | talos-op-linux-822e71224e07f07a07c385be869fe416ce436430.tar.gz talos-op-linux-822e71224e07f07a07c385be869fe416ce436430.zip | |
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/dlpar.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/dlpar.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 55a1b2f681e0..096337853dda 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(); |
