Hi Conor, On Mon, Jan 23, 2023 at 11:15 PM Conor Dooley <conor@xxxxxxxxxx> wrote: > > Hey Alex, > > FYI this patch has a couple places with spaces used rather than tabs for > indent. Damn, I forgot to run checkpatch this time... Thanks, Alex > > > static void __init kasan_populate_p4d(pgd_t *pgd, > > - unsigned long vaddr, unsigned long end, > > - bool early) > > + unsigned long vaddr, unsigned long end) > > { > > phys_addr_t phys_addr; > > p4d_t *p4dp, *base_p4d; > > unsigned long next; > > > > - if (early) { > > - /* > > - * We can't use pgd_page_vaddr here as it would return a linear > > - * mapping address but it is not mapped yet, but when populating > > - * early_pg_dir, we need the physical address and when populating > > - * swapper_pg_dir, we need the kernel virtual address so use > > - * pt_ops facility. > > - */ > > - base_p4d = pt_ops.get_p4d_virt(pfn_to_phys(_pgd_pfn(*pgd))); > > - } else { > > - base_p4d = (p4d_t *)pgd_page_vaddr(*pgd); > > - if (base_p4d == lm_alias(kasan_early_shadow_p4d)) { > > - base_p4d = memblock_alloc(PTRS_PER_PUD * sizeof(p4d_t), PAGE_SIZE); > > - memcpy(base_p4d, (void *)kasan_early_shadow_p4d, > > - sizeof(p4d_t) * PTRS_PER_P4D); > > - } > > - } > > + base_p4d = (p4d_t *)pgd_page_vaddr(*pgd); > > + if (base_p4d == lm_alias(kasan_early_shadow_p4d)) { > > + base_p4d = memblock_alloc(PTRS_PER_PUD * sizeof(p4d_t), PAGE_SIZE); > > + memcpy(base_p4d, (void *)kasan_early_shadow_p4d, > > + sizeof(p4d_t) * PTRS_PER_P4D); > > + } > > ^^ here. > > Thanks, > Conor. >