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arm64: Use the new GENERIC_IRQ_MULTI_HANDLER

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It appears arm64 copied arm's GENERIC_IRQ_MULTI_HANDLER code, but made
it unconditional.

Converts the arm64 code to use the new generic code, which simply consists
of deleting the arm64 code and setting MULTI_IRQ_HANDLER instead.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: linux@armlinux.org.uk
Cc: catalin.marinas@arm.com
Cc: Will Deacon <will.deacon@arm.com>
Cc: jonas@southpole.se
Cc: stefan.kristiansson@saunalahti.fi
Cc: shorne@gmail.com
Cc: jason@lakedaemon.net
Cc: marc.zyngier@arm.com
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: nicolas.pitre@linaro.org
Cc: vladimir.murzin@arm.com
Cc: keescook@chromium.org
Cc: jinb.park7@gmail.com
Cc: yamada.masahiro@socionext.com
Cc: alexandre.belloni@bootlin.com
Cc: pombredanne@nexb.com
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: kstewart@linuxfoundation.org
Cc: jhogan@kernel.org
Cc: mark.rutland@arm.com
Cc: ard.biesheuvel@linaro.org
Cc: james.morse@arm.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: openrisc@lists.librecores.org
Link: https://lkml.kernel.org/r/20180622170126.6308-4-palmer@sifive.com
This commit is contained in:
Palmer Dabbelt 2018-06-22 10:01:24 -07:00 committed by Thomas Gleixner
parent 4c301f9b6a
commit 78ae2e1cd8
3 changed files with 1 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/Kconfig
View File

@ -74,6 +74,7 @@ config ARM64
select GENERIC_CPU_AUTOPROBE select GENERIC_CPU_AUTOPROBE
select GENERIC_EARLY_IOREMAP select GENERIC_EARLY_IOREMAP
select GENERIC_IDLE_POLL_SETUP select GENERIC_IDLE_POLL_SETUP
select GENERIC_IRQ_MULTI_HANDLER
select GENERIC_IRQ_PROBE select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW
select GENERIC_IRQ_SHOW_LEVEL select GENERIC_IRQ_SHOW_LEVEL
@ -264,9 +265,6 @@ config ARCH_SUPPORTS_UPROBES
config ARCH_PROC_KCORE_TEXT config ARCH_PROC_KCORE_TEXT
def_bool y def_bool y
config MULTI_IRQ_HANDLER
def_bool y
source "init/Kconfig" source "init/Kconfig"
source "kernel/Kconfig.freezer" source "kernel/Kconfig.freezer"

2
arch/arm64/include/asm/irq.h
View File

@ -8,8 +8,6 @@
struct pt_regs; struct pt_regs;
extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
static inline int nr_legacy_irqs(void) static inline int nr_legacy_irqs(void)
{ {
return 0; return 0;

10
arch/arm64/kernel/irq.c
View File

@ -42,16 +42,6 @@ int arch_show_interrupts(struct seq_file *p, int prec)
return 0; return 0;
} }
void (*handle_arch_irq)(struct pt_regs *) = NULL;
void __init set_handle_irq(void (*handle_irq)(struct pt_regs *))
{
if (handle_arch_irq)
return;
handle_arch_irq = handle_irq;
}
#ifdef CONFIG_VMAP_STACK #ifdef CONFIG_VMAP_STACK
static void init_irq_stacks(void) static void init_irq_stacks(void)
{ {