This is a note to let you know that I've just added the patch titled
powerpc: use generic version of arch_is_kernel_initmem_freed()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-use-generic-version-of-arch_is_kernel_initme.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit de900445d6c15149b8b8e5f39f56bbd6b2b376f7
Author: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Date: Fri Nov 5 13:40:46 2021 -0700
powerpc: use generic version of arch_is_kernel_initmem_freed()
[ Upstream commit e012a25d81a12fb332e862b51bfb59321acf96e4 ]
The generic version of arch_is_kernel_initmem_freed() now does the same
as powerpc version.
Remove the powerpc version.
Link: https://lkml.kernel.org/r/c53764eb45d41491e2b21da2e7812239897dbebb.1633001016.git.christophe.leroy@xxxxxxxxxx
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 111bcb373853 ("powerpc/64s/radix: Fix RWX mapping with relocated kernel")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 6e4af4492a144..79cb7a25a5fb6 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -6,21 +6,8 @@
#include <linux/elf.h>
#include <linux/uaccess.h>
-#define arch_is_kernel_initmem_freed arch_is_kernel_initmem_freed
-
#include <asm-generic/sections.h>
-extern bool init_mem_is_free;
-
-static inline int arch_is_kernel_initmem_freed(unsigned long addr)
-{
- if (!init_mem_is_free)
- return 0;
-
- return addr >= (unsigned long)__init_begin &&
- addr < (unsigned long)__init_end;
-}
-
extern char __head_end[];
#ifdef __powerpc64__
