Messages in this thread | | | Date | Tue, 16 Mar 2021 21:56:53 -0700 (PDT) | Subject | Re: [PATCH v3 1/2] riscv: Ensure page table writes are flushed when initializing KASAN vmalloc | From | Palmer Dabbelt <> |
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On Sat, 13 Mar 2021 00:45:04 PST (-0800), alex@ghiti.fr wrote: > Make sure that writes to kernel page table during KASAN vmalloc > initialization are made visible by adding a sfence.vma. > > Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> > Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> > --- > arch/riscv/mm/kasan_init.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c > index 1b968855d389..57bf4ae09361 100644 > --- a/arch/riscv/mm/kasan_init.c > +++ b/arch/riscv/mm/kasan_init.c > @@ -187,6 +187,8 @@ void __init kasan_shallow_populate(void *start, void *end) > } > vaddr += PAGE_SIZE; > } > + > + local_flush_tlb_all(); > } > > void __init kasan_init(void)
Thanks, this is on fixes.
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