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();