Messages in this thread |  | | Subject | Re: [PATCH v2 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation | From | Frederic Barrat <> | Date | Mon, 7 May 2018 19:19:53 +0200 |
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Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : > From: Alastair D'Silva <alastair@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 <alastair@d-silva.org> > ---
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
> arch/powerpc/kernel/process.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c > index 1237f13fed51..3b00da47699b 100644 > --- a/arch/powerpc/kernel/process.c > +++ b/arch/powerpc/kernel/process.c > @@ -1154,7 +1154,7 @@ 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 > @@ -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) >
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