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Message-Id: <20250129094312.27399-3-ink@unseen.parts>
Date: Wed, 29 Jan 2025 10:43:10 +0100
From: Ivan Kokshaysky <ink@...een.parts>
To: Richard Henderson <richard.henderson@...aro.org>,
	Matt Turner <mattst88@...il.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	"Paul E. McKenney" <paulmck@...nel.org>
Cc: "Maciej W. Rozycki" <macro@...am.me.uk>,
	Magnus Lindholm <linmag7@...il.com>,
	linux-alpha@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] alpha: replace hardcoded stack offsets with autogenerated ones

Signed-off-by: Ivan Kokshaysky <ink@...een.parts>
---
 arch/alpha/kernel/asm-offsets.c | 4 ++++
 arch/alpha/kernel/entry.S       | 4 ----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index 4cfeae42c79a..e9dad60b147f 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -19,9 +19,13 @@ static void __used foo(void)
 	DEFINE(TI_STATUS, offsetof(struct thread_info, status));
 	BLANK();
 
+	DEFINE(SP_OFF, offsetof(struct pt_regs, ps));
 	DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
 	BLANK();
 
+	DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack));
+	BLANK();
+
 	DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache));
 	DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register));
 }
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index dd26062d75b3..6fb38365539d 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -15,10 +15,6 @@
 	.set noat
 	.cfi_sections	.debug_frame
 
-/* Stack offsets.  */
-#define SP_OFF			184
-#define SWITCH_STACK_SIZE	64
-
 .macro	CFI_START_OSF_FRAME	func
 	.align	4
 	.globl	\func
-- 
2.39.5


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