Re: [PATCH] x86/ioremap: Maintain consistent IORES_MAP_ENCRYPTED for BIOS data

Kirill Shutemov wrote: [..]

...

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 42c90b420773..9e81286a631e 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -122,6 +122,10 @@ static void __ioremap_check_other(resource_size_t addr, struct ioremap_desc *des return; }

• /* Ensure BIOS data (see devmem_is_allowed()) is consistently mapped */
• if (PHYS_PFN(addr) < 256)

Maybe if (addr < BIOS_END)

?

Looks good to me.