linux-kernel - Re: [PATCH mips-fixes] vmlinux.lds.h: catch even more instrumentation symbols into .data

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Message-ID: <20210223122648.GB7765@alpha.franken.de>
Date:   Tue, 23 Feb 2021 13:26:48 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Alexander Lobakin <alobakin@...me>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Pei Huang <huangpei@...ngson.cn>,
        Kees Cook <keescook@...omium.org>,
        Fangrui Song <maskray@...gle.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Corey Minyard <cminyard@...sta.com>,
        kernel test robot <lkp@...el.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [PATCH mips-fixes] vmlinux.lds.h: catch even more
 instrumentation symbols into .data

On Tue, Feb 23, 2021 at 11:36:21AM +0000, Alexander Lobakin wrote:
> LKP caught another bunch of orphaned instrumentation symbols [0]:
> 
> mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
> `init/main.o' being placed in section `.data.$LPBX1'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
> `init/main.o' being placed in section `.data.$LPBX0'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
> `init/do_mounts.o' being placed in section `.data.$LPBX1'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
> `init/do_mounts.o' being placed in section `.data.$LPBX0'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
> `init/do_mounts_initrd.o' being placed in section `.data.$LPBX1'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
> `init/do_mounts_initrd.o' being placed in section `.data.$LPBX0'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
> `init/initramfs.o' being placed in section `.data.$LPBX1'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
> `init/initramfs.o' being placed in section `.data.$LPBX0'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX1' from
> `init/calibrate.o' being placed in section `.data.$LPBX1'
> mipsel-linux-ld: warning: orphan section `.data.$LPBX0' from
> `init/calibrate.o' being placed in section `.data.$LPBX0'
> 
> [...]
> 
> Soften the wildcard to .data.$L* to grab these ones into .data too.
> 
> [0] https://lore.kernel.org/lkml/202102231519.lWPLPveV-lkp@intel.com
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Alexander Lobakin <alobakin@...me>
> ---
>  include/asm-generic/vmlinux.lds.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]