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From: Ard Biesheuvel <ardb@kernel.org>
To: linux-arm-kernel@lists.infradead.org
Cc: Ard Biesheuvel <ardb@kernel.org>, Russell King <linux@armlinux.org.uk>,
 Arnd Bergmann <arnd@arndb.de>, Kees Cook <keescook@chromium.org>,
 Keith Packard <keithpac@amazon.com>,
 Linus Walleij <linus.walleij@linaro.org>,
 Nick Desaulniers <ndesaulniers@google.com>,
 Nicolas Pitre <nico@fluxnic.net>
Subject: [PATCH v4 1/9] ARM: remove some dead code
Date: Mon, 15 Nov 2021 09:47:24 +0100
Message-Id: <20211115084732.3704393-2-ardb@kernel.org>
In-Reply-To: <20211115084732.3704393-1-ardb@kernel.org>
References: <20211115084732.3704393-1-ardb@kernel.org>
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This code appears to be no longer used so let's get rid of it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Keith Packard <keithpac@amazon.com>
---
 arch/arm/include/asm/entry-macro-multi.S | 24 --------------------
 arch/arm/include/asm/smp.h               |  5 ----
 arch/arm/kernel/smp.c                    |  5 ----
 3 files changed, 34 deletions(-)

diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S
index dfc6bfa43012..24486dad9e19 100644
--- a/arch/arm/include/asm/entry-macro-multi.S
+++ b/arch/arm/include/asm/entry-macro-multi.S
@@ -13,28 +13,4 @@
 	@
 	badrne	lr, 1b
 	bne	asm_do_IRQ
-
-#ifdef CONFIG_SMP
-	/*
-	 * XXX
-	 *
-	 * this macro assumes that irqstat (r2) and base (r6) are
-	 * preserved from get_irqnr_and_base above
-	 */
-	ALT_SMP(test_for_ipi r0, r2, r6, lr)
-	ALT_UP_B(9997f)
-	movne	r1, sp
-	badrne	lr, 1b
-	bne	do_IPI
-#endif
-9997:
-	.endm
-
-	.macro	arch_irq_handler, symbol_name
-	.align	5
-	.global \symbol_name
-\symbol_name:
-	mov	r8, lr
-	arch_irq_handler_default
-	ret	r8
 	.endm
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index f16cbbd5cda4..7c1c90d9f582 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -24,11 +24,6 @@ struct seq_file;
  */
 extern void show_ipi_list(struct seq_file *, int);
 
-/*
- * Called from assembly code, this handles an IPI.
- */
-asmlinkage void do_IPI(int ipinr, struct pt_regs *regs);
-
 /*
  * Called from C code, this handles an IPI.
  */
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index cde5b6d8bac5..9c55ca915ba4 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -631,11 +631,6 @@ static void ipi_complete(unsigned int cpu)
 /*
  * Main handler for inter-processor interrupts
  */
-asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs)
-{
-	handle_IPI(ipinr, regs);
-}
-
 static void do_handle_IPI(int ipinr)
 {
 	unsigned int cpu = smp_processor_id();
-- 
2.30.2


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