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    SubjectRe: [PATCH v6 1/4] MIPS: Do not flush tlb page when updating PTE entry
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    Hello!

    On 25.05.2020 5:52, Bibo Mao wrote:

    > It is not necessary to flush tlb page on all CPUs if suitable PTE
    > entry exists already during page fault handling, just updating
    > TLB is fine.
    >
    > Here redefine flush_tlb_fix_spurious_fault as empty on MIPS system.

    Need empty line here.

    > V6:
    > - Add update_mmu_tlb function as empty on all platform except mips
    > system, we use this function to update local tlb for page fault
    > smp-race handling
    > V5:
    > - define update_mmu_cache function specified on MIPS platform, and
    > add page fault smp-race stats info
    > V4:
    > - add pte_sw_mkyoung function to implement readable privilege, and
    > this function is only in effect on MIPS system.
    > - add page valid bit judgement in function pte_modify
    > V3:
    > - add detailed changelog, modify typo issue in patch V2
    > v2:
    > - split flush_tlb_fix_spurious_fault and tlb update into two patches
    > - comments typo modification
    > - separate tlb update and add pte readable privilege into two patches

    It was a bad idea to keep the version change log in the 1st patch only,
    we have either cover letter for that, or all the individual patches...

    > Signed-off-by: Bibo Mao <maobibo@loongson.cn>
    [...]

    MBR, Sergei

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