[PATCH 2/4] arch/powerpc: remove kasan_arch_is_ready()
From: Baoquan He <hidden>
Date: 2025-08-12 13:10:15
Also in:
linux-mm, linux-um, lkml, loongarch
Subsystem:
kasan, linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Andrey Ryabinin, Madhavan Srinivasan, Linus Torvalds
From: Sabyrzhan Tasbolatov <redacted> With the help of static key kasan_flag_enabled, kasan_arch_is_ready() is not needed any more. So reomve the unneeded kasan_arch_is_ready() and the relevant codes. Signed-off-by: Sabyrzhan Tasbolatov <redacted> Signed-off-by: Baoquan He <redacted> --- arch/powerpc/include/asm/kasan.h | 13 ------------- arch/powerpc/mm/kasan/init_book3s_64.c | 4 ---- 2 files changed, 17 deletions(-)
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h
index b5bbb94c51f6..73466d3ff302 100644
--- a/arch/powerpc/include/asm/kasan.h
+++ b/arch/powerpc/include/asm/kasan.h@@ -53,19 +53,6 @@ #endif #ifdef CONFIG_KASAN -#ifdef CONFIG_PPC_BOOK3S_64 -DECLARE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key); - -static __always_inline bool kasan_arch_is_ready(void) -{ - if (static_branch_likely(&powerpc_kasan_enabled_key)) - return true; - return false; -} - -#define kasan_arch_is_ready kasan_arch_is_ready -#endif - void kasan_early_init(void); void kasan_mmu_init(void); void kasan_init(void);
diff --git a/arch/powerpc/mm/kasan/init_book3s_64.c b/arch/powerpc/mm/kasan/init_book3s_64.c
index 9c5cf2354c8b..c1b78a9cd0a9 100644
--- a/arch/powerpc/mm/kasan/init_book3s_64.c
+++ b/arch/powerpc/mm/kasan/init_book3s_64.c@@ -19,8 +19,6 @@ #include <linux/memblock.h> #include <asm/pgalloc.h> -DEFINE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key); - static void __init kasan_init_phys_region(void *start, void *end) { unsigned long k_start, k_end, k_cur;
@@ -95,8 +93,6 @@ void __init kasan_init(void) */ memset(kasan_early_shadow_page, 0, PAGE_SIZE); - static_branch_inc(&powerpc_kasan_enabled_key); - /* KASAN is now initialized, enable it. */ static_branch_enable(&kasan_flag_enabled);
--
2.41.0