From: Dawei Li <dawei.li@linux.dev>
To: catalin.marinas@arm.com, will@kernel.org
Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dawei.li@linux.dev,
set_pte_at@outlook.com
Subject: [PATCH] arm64: Remove assertion on CONFIG_VMAP_STACK
Date: Mon, 3 Nov 2025 23:23:45 +0800 [thread overview]
Message-ID: <20251103152345.175463-1-dawei.li@linux.dev> (raw)
CONFIG_VMAP_STACK is selected by arm64 arch unconditionly since commit
ef6861b8e6dd ("arm64: Mandate VMAP_STACK").
Remove the redundant assertion and headers.
Signed-off-by: Dawei Li <dawei.li@linux.dev>
---
arch/arm64/include/asm/vmap_stack.h | 4 ----
arch/arm64/kernel/sdei.c | 4 ----
2 files changed, 8 deletions(-)
diff --git a/arch/arm64/include/asm/vmap_stack.h b/arch/arm64/include/asm/vmap_stack.h
index 20873099c035..75daee1a07e9 100644
--- a/arch/arm64/include/asm/vmap_stack.h
+++ b/arch/arm64/include/asm/vmap_stack.h
@@ -3,9 +3,7 @@
#ifndef __ASM_VMAP_STACK_H
#define __ASM_VMAP_STACK_H
-#include <linux/bug.h>
#include <linux/gfp.h>
-#include <linux/kconfig.h>
#include <linux/vmalloc.h>
#include <linux/pgtable.h>
#include <asm/memory.h>
@@ -19,8 +17,6 @@ static inline unsigned long *arch_alloc_vmap_stack(size_t stack_size, int node)
{
void *p;
- BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
-
p = __vmalloc_node(stack_size, THREAD_ALIGN, THREADINFO_GFP, node,
__builtin_return_address(0));
return kasan_reset_tag(p);
diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c
index 95169f7b6531..213ac72ce4fd 100644
--- a/arch/arm64/kernel/sdei.c
+++ b/arch/arm64/kernel/sdei.c
@@ -63,8 +63,6 @@ static void free_sdei_stacks(void)
{
int cpu;
- BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
-
for_each_possible_cpu(cpu) {
_free_sdei_stack(&sdei_stack_normal_ptr, cpu);
_free_sdei_stack(&sdei_stack_critical_ptr, cpu);
@@ -88,8 +86,6 @@ static int init_sdei_stacks(void)
int cpu;
int err = 0;
- BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
-
for_each_possible_cpu(cpu) {
err = _init_sdei_stack(&sdei_stack_normal_ptr, cpu);
if (err)
--
2.25.1
next reply other threads:[~2025-11-03 15:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-03 15:23 Dawei Li [this message]
2025-11-07 14:27 ` [PATCH] arm64: Remove assertion on CONFIG_VMAP_STACK Will Deacon
2025-11-07 20:52 ` Catalin Marinas
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