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From: Alexander Lobakin <alobakin@pm.me>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Sami Tolvanen <samitolvanen@google.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	Pei Huang <huangpei@loongson.cn>,
	Kees Cook <keescook@chromium.org>,
	Alexander Lobakin <alobakin@pm.me>,
	Fangrui Song <maskray@google.com>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Corey Minyard <cminyard@mvista.com>,
	kernel test robot <lkp@intel.com>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org
Subject: [PATCH mips-fixes] vmlinux.lds.h: catch even more instrumentation symbols into .data
Date: Tue, 23 Feb 2021 11:36:21 +0000	[thread overview]
Message-ID: <20210223113600.7009-1-alobakin@pm.me> (raw)

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@intel.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
---
 include/asm-generic/vmlinux.lds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 01a3fd6a64d2..c887ac36c1b4 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -95,7 +95,7 @@
  */
 #ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
 #define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
-#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_* .data.$Lubsan_*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_* .data.$L*
 #define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
 #define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L*
 #define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral*
--
2.30.1



             reply	other threads:[~2021-02-23 11:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-23 11:36 Alexander Lobakin [this message]
2021-02-23 11:36 ` [PATCH mips-fixes] vmlinux.lds.h: catch even more instrumentation symbols into .data Alexander Lobakin
2021-02-23 12:21   ` Thomas Bogendoerfer
2021-02-23 13:13     ` Alexander Lobakin
2021-02-23 12:26 ` Thomas Bogendoerfer

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