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 11:12:25 +0300 |
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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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