initramfs: fix clang build failure

BugLink: https://bugs.launchpad.net/bugs/1910822

[ Upstream commit 55d5b7dd64 ]

There is only one function in init/initramfs.c that is in the .text
section, and it is marked __weak.  When building with clang-12 and the
integrated assembler, this leads to a bug with recordmcount:

  ./scripts/recordmcount  "init/initramfs.o"
  Cannot find symbol for section 2: .text.
  init/initramfs.o: failed

I'm not quite sure what exactly goes wrong, but I notice that this
function is only ever called from an __init function, and normally
inlined.  Marking it __init as well is clearly correct and it leads to
recordmcount no longer complaining.

Link: https://lkml.kernel.org/r/20201204165742.3815221-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Barret Rhoden <brho@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

This commit is contained in:

Arnd Bergmann

2020-12-11 13:36:42 -08:00

committed by

Kleber Sacilotto de Souza

parent 1579b6e32e

commit b18148f45f

1 changed files with 1 additions and 1 deletions

									
										2

init/initramfs.c

										View File
									
				@ -527,7 +527,7 @@ extern unsigned long __initramfs_size;

				#include <linux/initrd.h>

				#include <linux/kexec.h>

				void __weak free_initrd_mem(unsigned long start, unsigned long end)

				void __weak __init free_initrd_mem(unsigned long start, unsigned long end)

				{

					free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,

							"initrd");

initramfs: fix clang build failure

2 init/initramfs.c Unescape Escape View File

2

init/initramfs.c

View File