* Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx> wrote: > diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c > index 5a46681..f129a9a 100644 > --- a/arch/x86/kernel/head64.c > +++ b/arch/x86/kernel/head64.c > @@ -161,11 +161,12 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) > /* Kill off the identity-map trampoline */ > reset_early_page_tables(); > > - kasan_map_early_shadow(early_level4_pgt); > - > - /* clear bss before set_intr_gate with early_idt_handler */ > clear_bss(); > > + clear_page(init_level4_pgt); > + > + kasan_early_init(); > + > for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) > set_intr_gate(i, early_idt_handler_array[i]); > load_idt((const struct desc_ptr *)&idt_descr); > @@ -177,12 +178,9 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) > */ > load_ucode_bsp(); > > - clear_page(init_level4_pgt); > /* set init_level4_pgt kernel high mapping*/ > init_level4_pgt[511] = early_level4_pgt[511]; > > - kasan_map_early_shadow(init_level4_pgt); > - > x86_64_start_reservations(real_mode_data); > } > So this changes generic code (moves the clear_page(init_level4_pgt) call), but the changelog claims it's a KASAN-specific change. Please split this into two patches: the first one does the generic change, the second one the KASAN specific one. That way if anything breaks in the generic code due to this change we have a simple commit to bisect to. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html