Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [PATCH 21/32] x86: Init softirq enabled field | Date | Tue, 12 Feb 2019 18:14:12 +0100 |
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From: Frederic Weisbecker <fweisbec@gmail.com>
All softirqs must be set enabled on boot.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Pavan Kondeti <pkondeti@codeaurora.org> Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com> Cc: David S . Miller <davem@davemloft.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> --- arch/x86/kernel/irq.c | 5 ++++- include/linux/bottom_half.h | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 59b5f2ea7c2f..b859861733a4 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -11,6 +11,7 @@ #include <linux/delay.h> #include <linux/export.h> #include <linux/irq.h> +#include <linux/bottom_half.h> #include <asm/apic.h> #include <asm/io_apic.h> @@ -22,7 +23,9 @@ #define CREATE_TRACE_POINTS #include <asm/trace/irq_vectors.h> -DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); +DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat) = { + .__softirq_data = SOFTIRQ_DATA_INIT, +}; EXPORT_PER_CPU_SYMBOL(irq_stat); DEFINE_PER_CPU(struct pt_regs *, irq_regs); diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h index 39aaf9189226..240419382978 100644 --- a/include/linux/bottom_half.h +++ b/include/linux/bottom_half.h @@ -26,6 +26,8 @@ enum #define SOFTIRQ_ENABLED_SHIFT 16 #define SOFTIRQ_PENDING_MASK (BIT(SOFTIRQ_ENABLED_SHIFT) - 1) +#define SOFTIRQ_DATA_INIT (SOFTIRQ_ALL_MASK << SOFTIRQ_ENABLED_SHIFT) + #ifdef CONFIG_TRACE_IRQFLAGS -- 2.17.1
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