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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e5cd534a31
We check that the struct vm_area_struct pointer vma is NULL and then dereference it a few lines below. The intent was to make sure vma is not NULL but this is not necessary since the bug pre-dates GIT history and seem to never have caused a problem. The tlb-4k and tlb-8k versions of local_flush_tlb_page() don't bother checking if vma is NULL, also vma is dereferenced before being passed to local_flush_tlb_page(), thus it is safe to remove this NULL check. Signed-off-by: Emil Goode <emilgoode@gmail.com> Reviewed-by: Jonas Gorski <jogo@openwrt.org> Acked-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: kernel-janitors@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/7264/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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