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Rozycki" , linux-mm@kvack.org, David Hildenbrand Subject: [PATCH v7 0/4] MIPS: page fault handling optimization Date: Wed, 27 May 2020 10:25:16 +0800 Message-Id: <1590546320-21814-1-git-send-email-maobibo@loongson.cn> X-Mailer: git-send-email 1.8.3.1 X-CM-TRANSID:AQAAf9Dxr2uQz81e3nc5AA--.351S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr18Ar1xtr45GFy7GFWxWFg_yoW8JF43pr 98Cw15Wwn7J39xKryfJw4kCr43Gw4kGFWUKr9rA345AanrZr1kKrsxt3W0yrykXFy5A3WS qFWUtr4UW34kZwUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvmb7Iv0xC_KF4lb4IE77IF4wAFF20E14v26ryj6rWUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4IIrI8v6xkF7I0E8cxa n2IY04v7MxkIecxEwVCm-wCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8Jw C20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAF wI0_GFv_WrylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjx v20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2 z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnU UI43ZEXa7IU8a-e5UUUUU== X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Rspamd-Queue-Id: 9EB9C180868D2 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: V7: - define function flush_tlb_fix_spurious_fault as inline rather than macro 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 Bibo Mao (4): MIPS: Do not flush tlb page when updating PTE entry mm/memory.c: Update local TLB if PTE entry exists mm/memory.c: Add memory read privilege on page fault handling MIPS: mm: add page valid judgement in function pte_modify arch/mips/include/asm/pgtable.h | 37 +++++++++++++++++++++++++++++++++++-- include/asm-generic/pgtable.h | 33 +++++++++++++++++++++++++++++++++ mm/memory.c | 30 ++++++++++++++++++++++-------- 3 files changed, 90 insertions(+), 10 deletions(-) -- 1.8.3.1