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Message-ID: <Y4EWqbCTBYEF8LOf@zn.tnic>
Date: Fri, 25 Nov 2022 20:25:29 +0100
From: Borislav Petkov <bp@...en8.de>
To: Petr Pavlu <petr.pavlu@...e.com>
Cc: tglx@...utronix.de, mingo@...hat.com, dave.hansen@...ux.intel.com,
x86@...nel.org, hpa@...or.com, nicolas@...sle.eu,
masahiroy@...nel.org, kirill.shutemov@...ux.intel.com,
tony.luck@...el.com, michael.roth@....com, nathan@...nel.org,
ndesaulniers@...gle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] x86: Avoid relocation information in final vmlinux
On Tue, Sep 27, 2022 at 10:46:32AM +0200, Petr Pavlu wrote:
> diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
> index 35ce1a64068b..eba7709d75ae 100644
> --- a/arch/x86/boot/compressed/Makefile
> +++ b/arch/x86/boot/compressed/Makefile
> @@ -120,14 +120,12 @@ $(obj)/vmlinux.bin: vmlinux FORCE
>
> targets += $(patsubst $(obj)/%,%,$(vmlinux-objs-y)) vmlinux.bin.all vmlinux.relocs
>
> -CMD_RELOCS = arch/x86/tools/relocs
> -quiet_cmd_relocs = RELOCS $@
> - cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $<
> -$(obj)/vmlinux.relocs: vmlinux FORCE
> - $(call if_changed,relocs)
> +# vmlinux.relocs is created by the vmlinux postlink step.
> +vmlinux.relocs: vmlinux
> + @true
>
> vmlinux.bin.all-y := $(obj)/vmlinux.bin
> -vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs
> +vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += vmlinux.relocs
Any particular reason why vmlinux.relocs must move out of $(obj)/ where
it resides now?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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