From: Ard Biesheuvel <ardb@kernel.org>
Date: Tue, 5 Oct 2021 09:15:34 +0200
Subject: ARM: remove some dead code
Git-commit: 08572cd41955166e387d9b4984294d37f8f7526c
Patch-mainline: v5.18-rc1
References: git-fixes

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>
Tested-by: Marc Zyngier <maz@kernel.org>
Tested-by: Vladimir Murzin <vladimir.murzin@arm.com> # ARMv7M
Acked-by: Ivan T. Ivanov <iivanov@suse.de>
---
 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(-)

--- 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
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -25,11 +25,6 @@ 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.
  */
 void handle_IPI(int ipinr, struct pt_regs *regs);
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -622,11 +622,6 @@ static void ipi_complete(unsigned int cp
 /*
  * 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();