Messages in this thread | | | Subject | Re: [PATCH v6 1/4] MIPS: Do not flush tlb page when updating PTE entry | From | Sergei Shtylyov <> | Date | Mon, 25 May 2020 11:31:10 +0300 |
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On 25.05.2020 11:12, Sergei Shtylyov 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...
Sorry for noticing this only now. With 4 patches, you should have a cover letter anyway...
>> Signed-off-by: Bibo Mao <maobibo@loongson.cn> > [...]
MBR, Sergei
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