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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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