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From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 13 Nov 2020 15:02:09 +0100
Subject: [PATCH 02/12] sh: Get rid of nmi_count()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.21-rt34.tar.xz
nmi_count() is a historical leftover and SH is the only user. Replace it
with regular per cpu accessors.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20201113141732.844232404@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
arch/sh/kernel/irq.c | 2 +-
arch/sh/kernel/traps.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -44,7 +44,7 @@ int arch_show_interrupts(struct seq_file
seq_printf(p, "%*s: ", prec, "NMI");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", nmi_count(j));
+ seq_printf(p, "%10u ", per_cpu(irq_stat.__nmi_count, j);
seq_printf(p, " Non-maskable interrupts\n");
seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -186,7 +186,7 @@ BUILD_TRAP_HANDLER(nmi)
arch_ftrace_nmi_enter();
nmi_enter();
- nmi_count(cpu)++;
+ this_cpu_inc(irq_stat.__nmi_count);
switch (notify_die(DIE_NMI, "NMI", regs, 0, vec & 0xff, SIGINT)) {
case NOTIFY_OK:
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