diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 401f973a74a..638838691b2 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1788,22 +1788,27 @@ static struct cpu_spec the_cpu_spec; static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) { struct cpu_spec *t = &the_cpu_spec; + struct cpu_spec old; + t = PTRRELOC(t); + old = *t; + + /* Copy everything, then do fixups */ + *t = *s; /* * If we are overriding a previous value derived from the real * PVR with a new value obtained using a logical PVR value, * don't modify the performance monitor fields. */ - if (t->num_pmcs && !s->num_pmcs) { - t->cpu_name = s->cpu_name; - t->cpu_features = s->cpu_features; - t->cpu_user_features = s->cpu_user_features; - t->icache_bsize = s->icache_bsize; - t->dcache_bsize = s->dcache_bsize; - t->cpu_setup = s->cpu_setup; - t->cpu_restore = s->cpu_restore; - t->platform = s->platform; + if (old.num_pmcs && !s->num_pmcs) { + t->num_pmcs = old.num_pmcs; + t->pmc_type = old.pmc_type; + t->oprofile_type = old.oprofile_type; + t->oprofile_mmcra_sihv = old.oprofile_mmcra_sihv; + t->oprofile_mmcra_sipr = old.oprofile_mmcra_sipr; + t->oprofile_mmcra_clear = old.oprofile_mmcra_clear; + /* * If we have passed through this logic once before and * have pulled the default case because the real PVR was @@ -1817,10 +1822,9 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) * and, in that case, keep the current value for * oprofile_cpu_type. */ - if (t->oprofile_cpu_type == NULL) + if (old.oprofile_cpu_type == NULL) t->oprofile_cpu_type = s->oprofile_cpu_type; - } else - *t = *s; + } *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec; |