The patch titled
Subject: microblaze: use is_kernel_text() helper
has been added to the -mm tree. Its filename is
microblaze-use-is_kernel_text-helper.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/microblaze-use-is_kernel_text-helper.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/microblaze-use-is_kernel_text-helper.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: microblaze: use is_kernel_text() helper
Use is_kernel_text() helper to simplify code.
Link: https://lkml.kernel.org/r/20210930071143.63410-11-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/microblaze/mm/pgtable.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/microblaze/mm/pgtable.c~microblaze-use-is_kernel_text-helper
+++ a/arch/microblaze/mm/pgtable.c
@@ -34,6 +34,7 @@
#include <linux/mm_types.h>
#include <linux/pgtable.h>
#include <linux/memblock.h>
+#include <linux/kallsyms.h>
#include <asm/pgalloc.h>
#include <linux/io.h>
@@ -171,7 +172,7 @@ void __init mapin_ram(void)
for (s = 0; s < lowmem_size; s += PAGE_SIZE) {
f = _PAGE_PRESENT | _PAGE_ACCESSED |
_PAGE_SHARED | _PAGE_HWEXEC;
- if ((char *) v < _stext || (char *) v >= _etext)
+ if (!is_kernel_text(v))
f |= _PAGE_WRENABLE;
else
/* On the MicroBlaze, no user access
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
slub-add-back-check-for-free-nonslab-objects.patch
mm-nommu-kill-arch_get_unmapped_area.patch
kallsyms-remove-arch-specific-text-and-data-check.patch
kallsyms-fix-address-checks-for-kernel-related-range.patch
sections-move-and-rename-core_kernel_data-to-is_kernel_core_data.patch
sections-move-is_kernel_inittext-into-sectionsh.patch
x86-mm-rename-__is_kernel_text-to-is_x86_32_kernel_text.patch
sections-provide-internal-__is_kernel-and-__is_kernel_text-helper.patch
mm-kasan-use-is_kernel-helper.patch
extable-use-is_kernel_text-helper.patch
powerpc-mm-use-core_kernel_text-helper.patch
microblaze-use-is_kernel_text-helper.patch
alpha-use-is_kernel_text-helper.patch
