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SubjectRe: [PATCH v2 10/23] microblaze: use asm-generic/mmu_context.h for no-op implementations
Excerpts from Michal Simek's message of September 1, 2020 12:15 am:
>
>
> On 26. 08. 20 16:52, Nicholas Piggin wrote:
>> Cc: Michal Simek <monstr@monstr.eu>
>> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
>> ---
>> arch/microblaze/include/asm/mmu_context_mm.h | 8 ++++----
>> arch/microblaze/include/asm/processor.h | 3 ---
>> 2 files changed, 4 insertions(+), 7 deletions(-)
>>
>> diff --git a/arch/microblaze/include/asm/mmu_context_mm.h b/arch/microblaze/include/asm/mmu_context_mm.h
>> index a1c7dd48454c..c2c77f708455 100644
>> --- a/arch/microblaze/include/asm/mmu_context_mm.h
>> +++ b/arch/microblaze/include/asm/mmu_context_mm.h
>> @@ -33,10 +33,6 @@
>> to represent all kernel pages as shared among all contexts.
>> */
>>
>> -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
>> -{
>> -}
>> -
>> # define NO_CONTEXT 256
>> # define LAST_CONTEXT 255
>> # define FIRST_CONTEXT 1
>> @@ -105,6 +101,7 @@ static inline void get_mmu_context(struct mm_struct *mm)
>> /*
>> * We're finished using the context for an address space.
>> */
>> +#define destroy_context destroy_context
>> static inline void destroy_context(struct mm_struct *mm)
>> {
>> if (mm->context != NO_CONTEXT) {
>> @@ -126,6 +123,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
>> * After we have set current->mm to a new value, this activates
>> * the context for the new mm so we see the new mappings.
>> */
>> +#define activate_mm activate_mm
>> static inline void activate_mm(struct mm_struct *active_mm,
>> struct mm_struct *mm)
>> {
>> @@ -136,5 +134,7 @@ static inline void activate_mm(struct mm_struct *active_mm,
>>
>> extern void mmu_context_init(void);
>>
>> +#include <asm-generic/mmu_context.h>
>> +
>> # endif /* __KERNEL__ */
>> #endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */
>> diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
>> index 1ff5a82b76b6..616211871a6e 100644
>> --- a/arch/microblaze/include/asm/processor.h
>> +++ b/arch/microblaze/include/asm/processor.h
>> @@ -122,9 +122,6 @@ unsigned long get_wchan(struct task_struct *p);
>> # define KSTK_EIP(task) (task_pc(task))
>> # define KSTK_ESP(task) (task_sp(task))
>>
>> -/* FIXME */
>> -# define deactivate_mm(tsk, mm) do { } while (0)
>> -
>> # define STACK_TOP TASK_SIZE
>> # define STACK_TOP_MAX STACK_TOP
>>
>>
>
> I am fine with the patch but I pretty much don't like that commit
> message is empty and there is only subject.
> With fixing that you can add my:
> Acked-by: Michal Simek <monstr@monstr.eu>

Thanks for the review, will do. Any suggestion for a useful commit message?

Thanks,
Nick

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