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authorThomas Gleixner <tglx@linutronix.de>2020-05-21 22:05:33 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 15:15:11 +0200
commit79b9c183021ef3f5ca2d5168cd3fd442580eca09 (patch)
tree44a668bb804472fc0252c75a056607d61c8e5cc5 /arch
parent74ebed3193aa4964b6cb9d146c9c01c7759ef4f2 (diff)
x86/irq: Use generic irq_regs implementation
The only difference is the name of the per-CPU variable: irq_regs vs. __irq_regs, but the accessor functions are identical. Remove the pointless copy and use the generic variant. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Andy Lutomirski <luto@kernel.org> Link: https://lore.kernel.org/r/20200521202118.704169051@linutronix.de
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/irq_regs.h32
-rw-r--r--arch/x86/kernel/irq.c3
2 files changed, 0 insertions, 35 deletions
diff --git a/arch/x86/include/asm/irq_regs.h b/arch/x86/include/asm/irq_regs.h
deleted file mode 100644
index 187ce59aea28..000000000000
--- a/arch/x86/include/asm/irq_regs.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Per-cpu current frame pointer - the location of the last exception frame on
- * the stack, stored in the per-cpu area.
- *
- * Jeremy Fitzhardinge <jeremy@goop.org>
- */
-#ifndef _ASM_X86_IRQ_REGS_H
-#define _ASM_X86_IRQ_REGS_H
-
-#include <asm/percpu.h>
-
-#define ARCH_HAS_OWN_IRQ_REGS
-
-DECLARE_PER_CPU(struct pt_regs *, irq_regs);
-
-static inline struct pt_regs *get_irq_regs(void)
-{
- return __this_cpu_read(irq_regs);
-}
-
-static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
-{
- struct pt_regs *old_regs;
-
- old_regs = get_irq_regs();
- __this_cpu_write(irq_regs, new_regs);
-
- return old_regs;
-}
-
-#endif /* _ASM_X86_IRQ_REGS_32_H */
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index c7965ff429c5..252065d32ab5 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -26,9 +26,6 @@
DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
EXPORT_PER_CPU_SYMBOL(irq_stat);
-DEFINE_PER_CPU(struct pt_regs *, irq_regs);
-EXPORT_PER_CPU_SYMBOL(irq_regs);
-
atomic_t irq_err_count;
/*

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