linux-kernel - Re: [PATCH v12 1/5] x86/boot: Add get_acpi_rsdp() to parse RSDP in cmdline from KEXEC

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Date:   Fri, 30 Nov 2018 12:35:16 -0500
From:   Masayoshi Mizuma <msys.mizuma@...il.com>
To:     Chao Fan <fanc.fnst@...fujitsu.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, bp@...en8.de,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        keescook@...omium.org, bhe@...hat.com, indou.takao@...fujitsu.com,
        caoj.fnst@...fujitsu.com
Subject: Re: [PATCH v12 1/5] x86/boot: Add get_acpi_rsdp() to parse RSDP in
 cmdline from KEXEC

On Fri, Nov 30, 2018 at 10:43:47AM +0800, Chao Fan wrote:
...
> >]$ make arch/x86/boot/compressed/misc.o
> >  CALL    scripts/checksyscalls.sh
> >  DESCEND  objtool
> >  CC      arch/x86/boot/compressed/misc.o
> >ld: -r and -pie may not be used together
> >make[1]: *** [scripts/Makefile.build:294: arch/x86/boot/compressed/misc.o] Error 1
> >make: *** [Makefile:1715: arch/x86/boot/compressed/misc.o] Error 2
> >]$
> 
> Hi Masa,
> 
> So many thanks for your test.
> 
> Could you give me more details about this error? More error message.
> Just on the first commit or the whole PATCHSET?
> Cause I didn't get error both on this commit and on the whole PATCHSET.

I built your whole patchset and got the error.
The error depends on CONFIG_MODVERSIONS.
If CONFIG_MODVERSIONS=y, you will get the build error.

Thanks,
Masa