- Feb 18, 2021
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tegra-mc 70019000.memory-controller: display0a: read @0xfe056b40: EMEM address decode error (SMMU translation error [--S]) tegra-mc 70019000.memory-controller: display0a: read @0xfe056b40: Page fault (SMMU translation error [--S]) Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
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Stephen Rothwell authored
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
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Huang Pei authored
MIPS page fault path(except huge page) takes 3 exceptions (1 TLB Miss + 2 TLB Invalid), butthe second TLB Invalid exception is just triggered by __update_tlb from do_page_fault writing tlb without _PAGE_VALID set. With this patch, user space mapping prot is made young by default (with both _PAGE_VALID and _PAGE_YOUNG set), and it only take 1 TLB Miss + 1 TLB Invalid exception Remove pte_sw_mkyoung without polluting MM code and make page fault delay of MIPS on par with other architecture Link: https://lkml.kernel.org/r/20210204013942.8398-1-huangpei@loongson.cn Signed-off-by: Huang Pei <huangpei@loongson.cn> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: <huangpei@loongson.cn> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: <ambrosehua@gmail.com> Cc: Bibo Mao <maobibo@loongson.cn> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Paul Burton <paulburton@kernel.org> Cc: Li Xuefeng <lixuefeng@loongson.cn> Cc: Yang Tiezhu <yangtiezhu@loongson.cn> Cc: Gao Juxin <gaojuxin@loongson.cn> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Huacai Chen <chenhc@lemote.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
# Conflicts: # drivers/nvmem/Kconfig
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Stephen Rothwell authored
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Stephen Rothwell authored
# Conflicts: # include/asm-generic/vmlinux.lds.h
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
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Stephen Rothwell authored
# Conflicts: # drivers/tty/n_tracerouter.c # drivers/tty/n_tracesink.c # include/linux/mod_devicetable.h # scripts/mod/devicetable-offsets.c # scripts/mod/file2alias.c
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Stephen Rothwell authored
# Conflicts: # include/linux/tty.h
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