linux-kernel - [RFC PATCH v3 05/15] powerpc/irq: Add helpers to get and set regs->softe

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Message-Id: <f9f0bd58f9e75e8e3826f25d9db9ff2c6ad9c84b.1586196948.git.christophe.leroy@c-s.fr>
Date:   Mon,  6 Apr 2020 18:16:41 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, npiggin@...il.com,
        msuchanek@...e.de
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v3 05/15] powerpc/irq: Add helpers to get and set
 regs->softe

regs->softe doesn't exist on PPC32.

Add helpers to get and set regs->softe.
Those helpers will void on PPC32.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/include/asm/hw_irq.h | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index e0e71777961f..e69466867d5f 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -39,6 +39,8 @@
 #define PACA_IRQ_MUST_HARD_MASK	(PACA_IRQ_EE)
 #endif
 
+#endif /* CONFIG_PPC64 */
+
 /*
  * flags for paca->irq_soft_mask
  */
@@ -47,8 +49,6 @@
 #define IRQS_PMI_DISABLED	2
 #define IRQS_ALL_DISABLED	(IRQS_DISABLED | IRQS_PMI_DISABLED)
 
-#endif /* CONFIG_PPC64 */
-
 #ifndef __ASSEMBLY__
 
 extern void replay_system_reset(void);
@@ -282,6 +282,15 @@ extern void irq_set_pending_from_srr1(unsigned long srr1);
 
 extern void force_external_irq_replay(void);
 
+static inline unsigned long get_softe(struct pt_regs *regs)
+{
+	return regs->softe;
+}
+
+static inline void set_softe(struct pt_regs *regs, unsigned long val)
+{
+	regs->softe = val;
+}
 #else /* CONFIG_PPC64 */
 
 static inline unsigned long arch_local_save_flags(void)
@@ -350,6 +359,14 @@ static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
 
 static inline void may_hard_irq_enable(void) { }
 
+static inline unsigned long get_softe(struct pt_regs *regs)
+{
+	return 0;
+}
+
+static inline void set_softe(struct pt_regs *regs, unsigned long val)
+{
+}
 #endif /* CONFIG_PPC64 */
 
 #define ARCH_IRQ_INIT_FLAGS	IRQ_NOREQUEST
-- 
2.25.0