linux-kernel - Re: [PATCH v2 4/5] efi/x86: Remove extra headroom for setup block

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Message-Id: <20200511170149.1363260-1-mike@fireburn.co.uk>
Date:   Mon, 11 May 2020 18:01:49 +0100
From:   Mike Lothian <mike@...eburn.co.uk>
To:     nivedita@...m.mit.edu, Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, Mike Lothian <mike@...eburn.co.uk>
Subject: Re: [PATCH v2 4/5] efi/x86: Remove extra headroom for setup block

Hi

This patch has been causing issues for me since switching to GCC 10.1:

  CALL    scripts/checksyscalls.sh
  CALL    scripts/atomic/check-atomics.sh
  DESCEND  objtool
  CHK     include/generated/compile.h
  HOSTCC  arch/x86/boot/tools/build
/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: linker defined: multiple definition of '_end'
/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: /tmp/ccEkW0jM.o: previous definition here
collect2: error: ld returned 1 exit status
make[1]: *** [scripts/Makefile.host:103: arch/x86/boot/tools/build] Error 1
make: *** [arch/x86/Makefile:303: bzImage] Error 2

Cheers

Mike