Messages in this thread | | | Date | Fri, 8 Jul 2022 14:31:23 +0100 | From | Will Deacon <> | Subject | Re: [PATCH 2/4] csky/tlb: Remove tlb_flush() define |
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On Fri, Jul 08, 2022 at 09:18:04AM +0200, Peter Zijlstra wrote: > The previous patch removed the tlb_flush_end() implementation which > used tlb_flush_range(). This means: > > - csky did double invalidates, a range invalidate per vma and a full > invalidate at the end > > - csky actually has range invalidates and as such the generic > tlb_flush implementation is more efficient for it. > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > --- > arch/csky/include/asm/tlb.h | 2 -- > 1 file changed, 2 deletions(-) > > --- a/arch/csky/include/asm/tlb.h > +++ b/arch/csky/include/asm/tlb.h > @@ -4,8 +4,6 @@ > #define __ASM_CSKY_TLB_H > > #include <asm/cacheflush.h> > -#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
Looks right to me, and the generic code handles the fullmm case when !CONFIG_MMU_GATHER_NO_RANGE so:
Acked-by: Will Deacon <will@kernel.org>
Will
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