[PATCH 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation

[Alastair D'Silva]

From: Alastair D'Silva <alast...@d-silva.org>

Switch the use of TIDR on it's CPU feature, rather than assuming it
is available based on architecture.

Signed-off-by: Alastair D'Silva <alast...@d-silva.org>
---
 arch/powerpc/kernel/process.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1237f13fed51..a3e0a3e06d5a 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1570,7 +1570,7 @@ void clear_thread_tidr(struct task_struct *t)
        if (!t->thread.tidr)
                return;
 
-       if (!cpu_has_feature(CPU_FTR_ARCH_300)) {
+       if (!cpu_has_feature(CPU_FTR_P9_TIDR)) {
                WARN_ON_ONCE(1);
                return;
        }
@@ -1593,7 +1593,7 @@ int set_thread_tidr(struct task_struct *t)
 {
        int rc;
 
-       if (!cpu_has_feature(CPU_FTR_ARCH_300))
+       if (!cpu_has_feature(CPU_FTR_P9_TIDR))
                return -EINVAL;
 
        if (t != current)
-- 
2.14.3