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authorMark Rutland <mark.rutland@arm.com>2022-11-17 12:09:02 +0000
committerWill Deacon <will@kernel.org>2022-11-18 14:36:47 +0000
commit4585a934203d0ee1009bd31724190116aed01c10 (patch)
tree313d5cd7d1af8d1be6739bb4366278c5de6264ea /arch/arm64/kernel/irq.c
parentc8c384d7b397991584de4ed074541a54809cdd52 (diff)
arm64: move on_thread_stack() to <asm/stacktrace.h>
Currently on_thread_stack() is defined in <asm/processor.h>, depending upon definitiong from <asm/stacktrace.h> despite this header not being included. This ends up being fragile, and any user of on_thread_stack() must include both <asm/processor.h> and <asm/stacktrace.h>. We organised things this way due to header dependencies back in commit: 0b3e336601b82c6a ("arm64: Add support for STACKLEAK gcc plugin") ... but now that we no longer use current_top_of_stack(), and given that stackleak includes <asm/stacktrace.h> via <linux/stackleak.h>, we no longer need the definition to live in <asm/processor.h>. Move on_thread_stack() to <asm/stacktrace.h>, where all its dependencies are guaranteed to be defined. This requires having arm64's irq.c explicitly include <asm/stacktrace.h>, and I've taken the opportunity to sort the includes, which were slightly out of order. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Kees Cook <keescook@chromium.org> Cc: Will Deacon <will@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20221117120902.3974163-3-mark.rutland@arm.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/irq.c')
-rw-r--r--arch/arm64/kernel/irq.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 38dbd3828f13..0c8e30ff8eaa 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -10,20 +10,21 @@
* Copyright (C) 2012 ARM Ltd.
*/
-#include <linux/irq.h>
-#include <linux/memory.h>
-#include <linux/smp.h>
#include <linux/hardirq.h>
#include <linux/init.h>
+#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/kprobes.h>
+#include <linux/memory.h>
#include <linux/scs.h>
#include <linux/seq_file.h>
+#include <linux/smp.h>
#include <linux/vmalloc.h>
#include <asm/daifflags.h>
#include <asm/exception.h>
-#include <asm/vmap_stack.h>
#include <asm/softirq_stack.h>
+#include <asm/stacktrace.h>
+#include <asm/vmap_stack.h>
/* Only access this in an NMI enter/exit */
DEFINE_PER_CPU(struct nmi_ctx, nmi_contexts);