linux-kernel - Re: [PATCH] m68k: Switch to asm-generic/hardirq.h

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Date:   Mon, 13 Jan 2020 11:58:44 +1000
From:   Greg Ungerer <gerg@...ux-m68k.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] m68k: Switch to asm-generic/hardirq.h

Hi Geert,

On 13/1/20 3:48 am, Geert Uytterhoeven wrote:
> Classic m68k with MMU was converted to generic hardirqs a long time ago,
> and there are no longer include dependency issues preventing the direct
> use of asm-generic/hardirq.h.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Looks good.

Acked-by: Greg Ungerer <gerg@...ux-m68k.org>

Regards
Greg



> ---
>   arch/m68k/include/asm/Kbuild    |  1 +
>   arch/m68k/include/asm/hardirq.h | 29 -----------------------------
>   2 files changed, 1 insertion(+), 29 deletions(-)
>   delete mode 100644 arch/m68k/include/asm/hardirq.h
> 
> diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
> index 591d53b763b71b27..63f12afc48749c96 100644
> --- a/arch/m68k/include/asm/Kbuild
> +++ b/arch/m68k/include/asm/Kbuild
> @@ -8,6 +8,7 @@ generic-y += emergency-restart.h
>   generic-y += exec.h
>   generic-y += extable.h
>   generic-y += futex.h
> +generic-y += hardirq.h
>   generic-y += hw_irq.h
>   generic-y += irq_regs.h
>   generic-y += irq_work.h
> diff --git a/arch/m68k/include/asm/hardirq.h b/arch/m68k/include/asm/hardirq.h
> deleted file mode 100644
> index 11793165445df45a..0000000000000000
> --- a/arch/m68k/include/asm/hardirq.h
> +++ /dev/null
> @@ -1,29 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -#ifndef __M68K_HARDIRQ_H
> -#define __M68K_HARDIRQ_H
> -
> -#include <linux/threads.h>
> -#include <linux/cache.h>
> -#include <asm/irq.h>
> -
> -#ifdef CONFIG_MMU
> -
> -static inline void ack_bad_irq(unsigned int irq)
> -{
> -	pr_crit("unexpected IRQ trap at vector %02x\n", irq);
> -}
> -
> -/* entry.S is sensitive to the offsets of these fields */
> -typedef struct {
> -	unsigned int __softirq_pending;
> -} ____cacheline_aligned irq_cpustat_t;
> -
> -#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
> -
> -#else
> -
> -#include <asm-generic/hardirq.h>
> -
> -#endif /* !CONFIG_MMU */
> -
> -#endif
>