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* [PATCH] irqchip/sifive-plic: Mark two global variables  __ro_after_init
@ 2021-03-29 18:09 Jisheng Zhang
  2021-04-07 12:31 ` Marc Zyngier
  2021-04-07 12:38 ` [irqchip: irq/irqchip-next] " irqchip-bot for Jisheng Zhang
  0 siblings, 2 replies; 3+ messages in thread
From: Jisheng Zhang @ 2021-03-29 18:09 UTC (permalink / raw)
  To: Thomas Gleixner, Marc Zyngier, Palmer Dabbelt, Paul Walmsley
  Cc: linux-kernel, linux-riscv

From: Jisheng Zhang <jszhang@kernel.org>

All of these two are never modified after init, so they can be
 __ro_after_init.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
 drivers/irqchip/irq-sifive-plic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 6f432d2a5ceb..97d4d04b0a80 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -77,8 +77,8 @@ struct plic_handler {
 	void __iomem		*enable_base;
 	struct plic_priv	*priv;
 };
-static int plic_parent_irq;
-static bool plic_cpuhp_setup_done;
+static int plic_parent_irq __ro_after_init;
+static bool plic_cpuhp_setup_done __ro_after_init;
 static DEFINE_PER_CPU(struct plic_handler, plic_handlers);
 
 static inline void plic_toggle(struct plic_handler *handler,
-- 
2.31.0



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Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-03-29 18:09 [PATCH] irqchip/sifive-plic: Mark two global variables __ro_after_init Jisheng Zhang
2021-04-07 12:31 ` Marc Zyngier
2021-04-07 12:38 ` [irqchip: irq/irqchip-next] " irqchip-bot for Jisheng Zhang

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