The patch titled
Subject: powerpc/mm: use core_kernel_text() helper
has been added to the -mm tree. Its filename is
powerpc-mm-use-core_kernel_text-helper.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/powerpc-mm-use-core_kernel_text-helper.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/powerpc-mm-use-core_kernel_text-helper.patch
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: powerpc/mm: use core_kernel_text() helper
Use core_kernel_text() helper to simplify code, also drop etext, _stext,
_sinittext, _einittext declaration which already declared in section.h.
Link: https://lkml.kernel.org/r/20210930071143.63410-10-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@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: Borislav Petkov <bp@xxxxxxxxx>
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: Michal Simek <monstr@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/powerpc/mm/pgtable_32.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/arch/powerpc/mm/pgtable_32.c~powerpc-mm-use-core_kernel_text-helper
+++ a/arch/powerpc/mm/pgtable_32.c
@@ -33,8 +33,6 @@
#include <mm/mmu_decl.h>
-extern char etext[], _stext[], _sinittext[], _einittext[];
-
static u8 early_fixmap_pagetable[FIXMAP_PTE_SIZE] __page_aligned_data;
notrace void __init early_ioremap_init(void)
@@ -104,14 +102,13 @@ static void __init __mapin_ram_chunk(uns
{
unsigned long v, s;
phys_addr_t p;
- int ktext;
+ bool ktext;
s = offset;
v = PAGE_OFFSET + s;
p = memstart_addr + s;
for (; s < top; s += PAGE_SIZE) {
- ktext = ((char *)v >= _stext && (char *)v < etext) ||
- ((char *)v >= _sinittext && (char *)v < _einittext);
+ ktext = core_kernel_text(v);
map_kernel_page(v, p, ktext ? PAGE_KERNEL_TEXT : PAGE_KERNEL);
v += PAGE_SIZE;
p += PAGE_SIZE;
_
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
