Message ID | 20180417020950.21446-2-alastair@au1.ibm.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | ocxl: Implement Power9 as_notify/wait for OpenCAPI | expand |
On 17/04/18 12:09, Alastair D'Silva wrote: > diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h > index be8c9fa23983..5b03d8a82409 100644 > --- a/arch/powerpc/include/asm/switch_to.h > +++ b/arch/powerpc/include/asm/switch_to.h > @@ -94,6 +94,5 @@ static inline void clear_task_ebb(struct task_struct *t) > extern int set_thread_uses_vas(void); > > extern int set_thread_tidr(struct task_struct *t); > -extern void clear_thread_tidr(struct task_struct *t); This hunk looks like it really belongs in patch 3. Apart from that, I'm not really familiar with the CPU features code but nothing seems overly wrong... Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 4e332f3531c5..54c4cbbe57b4 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -215,6 +215,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000) #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000) #define CPU_FTR_P9_TLBIE_BUG LONG_ASM_CONST(0x0000400000000000) +#define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000) #ifndef __ASSEMBLY__ @@ -462,7 +463,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY | \ - CPU_FTR_P9_TLBIE_BUG) + CPU_FTR_P9_TLBIE_BUG | CPU_FTR_P9_TIDR) #define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \ (~CPU_FTR_SAO)) #define CPU_FTRS_POWER9_DD2_0 CPU_FTRS_POWER9 diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index be8c9fa23983..5b03d8a82409 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -94,6 +94,5 @@ static inline void clear_task_ebb(struct task_struct *t) extern int set_thread_uses_vas(void); extern int set_thread_tidr(struct task_struct *t); -extern void clear_thread_tidr(struct task_struct *t); #endif /* _ASM_POWERPC_SWITCH_TO_H */ diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 11a3a4fed3fb..10f8b7f55637 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -722,6 +722,7 @@ static __init void cpufeatures_cpu_quirks(void) if ((version & 0xffff0000) == 0x004e0000) { cur_cpu_spec->cpu_features &= ~(CPU_FTR_DAWR); cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_BUG; + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TIDR; } }