powerpc/perf: Add PPMU_ARCH_207S define

Instead of separate bits for every POWER8 PMU feature, have a single one
for v2.07 of the architecture.

This saves us adding a MMCR2 define for a future patch.

Cc: stable@vger.kernel.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 4520c9356b54..a2ff1bda706a 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -485,7 +485,7 @@ static bool is_ebb_event(struct perf_event *event)
          * check that the PMU supports EBB, meaning those that don't can still
          * use bit 63 of the event code for something else if they wish.
          */
-        return (ppmu->flags & PPMU_EBB) &&
+        return (ppmu->flags & PPMU_ARCH_207S) &&
                ((event->attr.config >> PERF_EVENT_CONFIG_EBB_SHIFT) & 1);
 }
 
@@ -777,7 +777,7 @@ void perf_event_print_debug(void)
         if (ppmu->flags & PPMU_HAS_SIER)
                 sier = mfspr(SPRN_SIER);
 
-        if (ppmu->flags & PPMU_EBB) {
+        if (ppmu->flags & PPMU_ARCH_207S) {
                 pr_info("MMCR2: %016lx EBBHR: %016lx\n",
                         mfspr(SPRN_MMCR2), mfspr(SPRN_EBBHR));
                 pr_info("EBBRR: %016lx BESCR: %016lx\n",
@@ -1696,7 +1696,7 @@ static int power_pmu_event_init(struct perf_event *event)
 
         if (has_branch_stack(event)) {
                 /* PMU has BHRB enabled */
-                if (!(ppmu->flags & PPMU_BHRB))
+                if (!(ppmu->flags & PPMU_ARCH_207S))
                         return -EOPNOTSUPP;
         }
 
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index fe2763b6e039..639cd9156585 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -792,7 +792,7 @@ static struct power_pmu power8_pmu = {
         .get_constraint         = power8_get_constraint,
         .get_alternatives       = power8_get_alternatives,
         .disable_pmc            = power8_disable_pmc,
-        .flags                  = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_BHRB | PPMU_EBB,
+        .flags                  = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_ARCH_207S,
         .n_generic              = ARRAY_SIZE(power8_generic_events),
         .generic_events         = power8_generic_events,
         .cache_events           = &power8_cache_events,