Messages in this thread Patch in this message | | | Date | Wed, 10 Feb 2021 00:40:54 +0100 | From | Thomas Gleixner <> | Subject | [patch V2 13/13] x86/softirq/64: Inline do_softirq_own_stack() |
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From: Thomas Gleixner <tglx@linutronix.de>
There is no reason to have this as a seperate function for a single caller.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> --- V2: Adopt to the new header file. --- arch/x86/include/asm/irq_stack.h | 3 +-- arch/x86/include/asm/softirq_stack.h | 11 +++++++++++ arch/x86/kernel/irq_64.c | 5 ----- 3 files changed, 12 insertions(+), 7 deletions(-)
--- a/arch/x86/include/asm/irq_stack.h +++ b/arch/x86/include/asm/irq_stack.h @@ -194,7 +194,7 @@ * interrupts are pending to be processed. The interrupt stack cannot be in * use here. */ -#define run_softirq_on_irqstack() \ +#define do_softirq_own_stack() \ { \ __this_cpu_write(hardirq_stack_inuse, true); \ call_on_irqstack(__do_softirq, ASM_CALL_SOFTIRQ); \ @@ -202,7 +202,6 @@ } #else /* CONFIG_X86_64 */ - /* System vector handlers always run on the stack they interrupted. */ #define run_sysvec_on_irqstack_cond(func, regs) \ { \ --- /dev/null +++ b/arch/x86/include/asm/softirq_stack.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_SOFTIRQ_STACK_H +#define _ASM_X86_SOFTIRQ_STACK_H + +#ifdef CONFIG_X86_64 +# include <asm/irq_stack.h> +#else +# include <asm-generic/softirq_stack.h> +#endif + +#endif --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -74,8 +74,3 @@ int irq_init_percpu_irqstack(unsigned in return 0; return map_irq_stack(cpu); } - -void do_softirq_own_stack(void) -{ - run_softirq_on_irqstack(); -}
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