Messages in this thread |  | | Subject | Re: [RESEND PATCH v5 3/6] arm64: Add tlbi_user_level TLB invalidation helper | From | Zhenyu Ye <> | Date | Fri, 10 Jul 2020 09:20:59 +0800 |
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Hi Catalin,
On 2020/7/10 0:48, Catalin Marinas wrote: > On Thu, Jun 25, 2020 at 04:03:11PM +0800, Zhenyu Ye wrote: >> @@ -189,8 +195,9 @@ static inline void flush_tlb_page_nosync(struct vm_area_struct *vma, >> unsigned long addr = __TLBI_VADDR(uaddr, ASID(vma->vm_mm)); >> >> dsb(ishst); >> - __tlbi(vale1is, addr); >> - __tlbi_user(vale1is, addr); >> + /* This function is only called on a small page */ >> + __tlbi_level(vale1is, addr, 3); >> + __tlbi_user_level(vale1is, addr, 3); >> } > > Actually, that's incorrect. It was ok in v2 of your patches when I > suggested to drop level 0, just leave the function unchanged but I > missed that you updated it to pass level 3. > > pmdp_set_access_flags -> ptep_set_access_flags -> > flush_tlb_fix_spurious_fault -> flush_tlb_page -> flush_tlb_page_nosync.
How do you want to fix this error? I notice that this series have been applied to arm64 (for-next/tlbi). Should I send a new series based on arm64 (for-next/tlbi)?
Thanks, Zhenyu
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