Messages in this thread | | | Subject | Re: [PATCH 1/2] MIPS: set page access bit with pgprot on some MIPS platform | From | maobibo <> | Date | Fri, 5 Jun 2020 17:51:43 +0800 |
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On 06/05/2020 05:39 PM, Jiaxun Yang wrote: > On Fri, 5 Jun 2020 17:11:05 +0800 > Bibo Mao <maobibo@loongson.cn> wrote: > >> On MIPS system which has rixi hardware bit, page access bit is not >> set in pgrot. For memory reading, there will be one page fault to >> allocate physical page; however valid bit is not set, there will >> be the second fast tlb-miss fault handling to set valid/access bit. >> >> This patch set page access/valid bit with pgrot if there is reading >> access privilege. It will reduce one tlb-miss handling for memory >> reading access. >> >> The valid/access bit will be cleared in order to track memory >> accessing activity. If the page is accessed, tlb-miss fast handling >> will set valid/access bit, pte_sw_mkyoung is not necessary in slow >> page fault path. This patch removes pte_sw_mkyoung function which >> is defined as empty function except MIPS system. >> >> Signed-off-by: Bibo Mao <maobibo@loongson.cn> >> --- > > Thanks for tracking it down. > > Could you please make the patch tittle more clear? > "Some" looks confuse to me, "systems with RIXI" would be better.
Sure, will add it.
> > - Jiaxun >
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