diff options
| author | Alastair D'Silva <alastair@d-silva.org> | 2018-05-11 16:12:58 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:40:31 +1000 |
| commit | 3449f191ca9be1a6ac9757b8ab55f239092362e5 (patch) | |
| tree | f2db4c4e392c17867494c39687debfd8c65a4cad /arch/powerpc | |
| parent | 819844285ef2b5d15466f5b5062514135ffba06c (diff) | |
powerpc: Use TIDR CPU feature to control TIDR allocation
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 <alastair@d-silva.org>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 8f35b30956f4..e8b1d3c30669 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1151,7 +1151,7 @@ static inline void restore_sprs(struct thread_struct *old_thread, mtspr(SPRN_TAR, new_thread->tar); } - if (cpu_has_feature(CPU_FTR_ARCH_300) && + if (cpu_has_feature(CPU_FTR_P9_TIDR) && old_thread->tidr != new_thread->tidr) mtspr(SPRN_TIDR, new_thread->tidr); #endif @@ -1553,7 +1553,7 @@ 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; } @@ -1576,7 +1576,7 @@ 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) |