Re: [PATCH 2/5] x86/boot/compressed/64: Find a place for 32-bit trampoline

From: Kirill A. Shutemov
Date: Tue Feb 27 2018 - 03:14:55 EST


On Mon, Feb 26, 2018 at 11:30:38PM +0100, Borislav Petkov wrote:
> On Mon, Feb 26, 2018 at 09:04:48PM +0300, Kirill A. Shutemov wrote:
> > +++ b/arch/x86/boot/compressed/pgtable.h
> > @@ -0,0 +1,11 @@
> > +#ifndef BOOT_COMPRESSED_PAGETABLE_H
> > +#define BOOT_COMPRESSED_PAGETABLE_H
> > +
> > +#define TRAMPOLINE_32BIT_SIZE (2 * PAGE_SIZE)
> > +
> > +#ifndef __ASSEMBLER__
>
> x86 uses __ASSEMBLY__ everywhere and I see
>
> arch/x86/boot/compressed/Makefile:41:KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
>
> so it should work here too.
>
> Even though __ASSEMBLER__ is gcc predefined.

Okay, I'll fix this.

--
Kirill A. Shutemov