Commit 72f40a28 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/softirq/64: Inline do_softirq_own_stack() 



There is no reason to have this as a seperate function for a single caller.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210210002513.382806685@linutronix.de
parent db1cc7ae

arch/x86/include/asm/irq_stack.h

+1 −2
Original line number Diff line number Diff line
@@ -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)				\

{									\

arch/x86/include/asm/softirq_stack.h

0 → 100644
+11 −0
Original line number Diff line number Diff line 
/* 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

arch/x86/kernel/irq_64.c

+0 −5
Original line number Diff line number Diff line
@@ -74,8 +74,3 @@ int irq_init_percpu_irqstack(unsigned int cpu) 
		return 0;

	return map_irq_stack(cpu);

}
 


void do_softirq_own_stack(void)

{

	run_softirq_on_irqstack();

}