Re: [PATCH v2] x86: fix early boot crash on gcc-10

[Peter Zijlstra]

On Fri, Apr 17, 2020 at 09:57:39AM +0200, Borislav Petkov wrote:

> Yeah, Peter and I have been discussing something like the below
> yesterday. I don't like the additional exports too much but would
> disable stack protector only for the one function...

I did do promise you bike-shedding... so here goes :-)

> -obj-$(CONFIG_SMP)		+= smpboot.o
> +
> +nostackprot := $(call cc-option, -fno-stack-protector)
> +CFLAGS_smpboot_aux.o := $(nostackprot)
> +
> +smpboot_all-y			:= smpboot.o smpboot_aux.o

So how about we call that file: smpboot_nostack.c or, since it only has
the one function in: start_secondary.c ?