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Message-ID: <20250428152225.66044-4-mchauras@linux.ibm.com>
Date: Mon, 28 Apr 2025 20:52:22 +0530
From: Mukesh Kumar Chaurasiya <mchauras@...ux.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com,
christophe.leroy@...roup.eu, naveen@...nel.org,
neeraj.upadhyay@...nel.org, vschneid@...hat.com, tglx@...utronix.de,
frederic@...nel.org, ankur.a.arora@...cle.com, sshegde@...ux.ibm.com,
bigeasy@...utronix.de, kees@...nel.org, oleg@...hat.com,
peterz@...radead.org, tzimmermann@...e.de, namcao@...utronix.de,
kan.liang@...ux.intel.com, mcgrof@...nel.org, rppt@...nel.org,
atrajeev@...ux.vnet.ibm.com, anjalik@...ux.ibm.com,
coltonlewis@...gle.com, linuxppc-dev@...ts.ozlabs.org,
Mukesh Kumar Chaurasiya <mchauras@...ux.ibm.com>
Subject: [RFC V1 1/6] powerpc: rename arch_irq_disabled_regs
Renaming arch_irq_disabled_regs to regs_irqs_disabled to be used
commonly in generic entry exit framework and ppc arch code.
Signed-off-by: Mukesh Kumar Chaurasiya <mchauras@...ux.ibm.com>
---
arch/powerpc/include/asm/hw_irq.h | 4 ++--
arch/powerpc/include/asm/interrupt.h | 12 ++++++------
arch/powerpc/kernel/interrupt.c | 4 ++--
arch/powerpc/kernel/syscall.c | 2 +-
arch/powerpc/kernel/traps.c | 2 +-
arch/powerpc/kernel/watchdog.c | 2 +-
arch/powerpc/perf/core-book3s.c | 2 +-
7 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 569ac1165b069..2b9cf0380e0e9 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -393,7 +393,7 @@ static inline void do_hard_irq_enable(void)
__hard_irq_enable();
}
-static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
+static inline bool regs_irqs_disabled(struct pt_regs *regs)
{
return (regs->softe & IRQS_DISABLED);
}
@@ -466,7 +466,7 @@ static inline bool arch_irqs_disabled(void)
#define hard_irq_disable() arch_local_irq_disable()
-static inline bool arch_irq_disabled_regs(struct pt_regs *regs)
+static inline bool regs_irqs_disabled(struct pt_regs *regs)
{
return !(regs->msr & MSR_EE);
}
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index 23638d4e73ac0..56bc8113b8cde 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -172,7 +172,7 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs)
/* Enable MSR[RI] early, to support kernel SLB and hash faults */
#endif
- if (!arch_irq_disabled_regs(regs))
+ if (!regs_irqs_disabled(regs))
trace_hardirqs_off();
if (user_mode(regs)) {
@@ -192,10 +192,10 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs)
CT_WARN_ON(ct_state() != CT_STATE_KERNEL &&
ct_state() != CT_STATE_IDLE);
INT_SOFT_MASK_BUG_ON(regs, is_implicit_soft_masked(regs));
- INT_SOFT_MASK_BUG_ON(regs, arch_irq_disabled_regs(regs) &&
+ INT_SOFT_MASK_BUG_ON(regs, regs_irqs_disabled(regs) &&
search_kernel_restart_table(regs->nip));
}
- INT_SOFT_MASK_BUG_ON(regs, !arch_irq_disabled_regs(regs) &&
+ INT_SOFT_MASK_BUG_ON(regs, !regs_irqs_disabled(regs) &&
!(regs->msr & MSR_EE));
booke_restore_dbcr0();
@@ -298,7 +298,7 @@ static inline void interrupt_nmi_enter_prepare(struct pt_regs *regs, struct inte
* Adjust regs->softe to be soft-masked if it had not been
* reconcied (e.g., interrupt entry with MSR[EE]=0 but softe
* not yet set disabled), or if it was in an implicit soft
- * masked state. This makes arch_irq_disabled_regs(regs)
+ * masked state. This makes regs_irqs_disabled(regs)
* behave as expected.
*/
regs->softe = IRQS_ALL_DISABLED;
@@ -372,7 +372,7 @@ static inline void interrupt_nmi_exit_prepare(struct pt_regs *regs, struct inter
#ifdef CONFIG_PPC64
#ifdef CONFIG_PPC_BOOK3S
- if (arch_irq_disabled_regs(regs)) {
+ if (regs_irqs_disabled(regs)) {
unsigned long rst = search_kernel_restart_table(regs->nip);
if (rst)
regs_set_return_ip(regs, rst);
@@ -661,7 +661,7 @@ void replay_soft_interrupts(void);
static inline void interrupt_cond_local_irq_enable(struct pt_regs *regs)
{
- if (!arch_irq_disabled_regs(regs))
+ if (!regs_irqs_disabled(regs))
local_irq_enable();
}
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index 8f4acc55407b0..f656192f075fb 100644
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -343,7 +343,7 @@ notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs)
unsigned long ret;
BUG_ON(regs_is_unrecoverable(regs));
- BUG_ON(arch_irq_disabled_regs(regs));
+ BUG_ON(regs_irqs_disabled(regs));
CT_WARN_ON(ct_state() == CT_STATE_USER);
/*
@@ -392,7 +392,7 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs)
local_irq_disable();
- if (!arch_irq_disabled_regs(regs)) {
+ if (!regs_irqs_disabled(regs)) {
/* Returning to a kernel context with local irqs enabled. */
WARN_ON_ONCE(!(regs->msr & MSR_EE));
again:
diff --git a/arch/powerpc/kernel/syscall.c b/arch/powerpc/kernel/syscall.c
index be159ad4b77bd..9f03a6263fb41 100644
--- a/arch/powerpc/kernel/syscall.c
+++ b/arch/powerpc/kernel/syscall.c
@@ -32,7 +32,7 @@ notrace long system_call_exception(struct pt_regs *regs, unsigned long r0)
BUG_ON(regs_is_unrecoverable(regs));
BUG_ON(!user_mode(regs));
- BUG_ON(arch_irq_disabled_regs(regs));
+ BUG_ON(regs_irqs_disabled(regs));
#ifdef CONFIG_PPC_PKEY
if (mmu_has_feature(MMU_FTR_PKEY)) {
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index cb8e9357383e9..629f2a2d4780e 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1956,7 +1956,7 @@ DEFINE_INTERRUPT_HANDLER_RAW(performance_monitor_exception)
* prevent hash faults on user addresses when reading callchains (and
* looks better from an irq tracing perspective).
*/
- if (IS_ENABLED(CONFIG_PPC64) && unlikely(arch_irq_disabled_regs(regs)))
+ if (IS_ENABLED(CONFIG_PPC64) && unlikely(regs_irqs_disabled(regs)))
performance_monitor_exception_nmi(regs);
else
performance_monitor_exception_async(regs);
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index 2429cb1c7baa7..6111cbbde069d 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -373,7 +373,7 @@ DEFINE_INTERRUPT_HANDLER_NMI(soft_nmi_interrupt)
u64 tb;
/* should only arrive from kernel, with irqs disabled */
- WARN_ON_ONCE(!arch_irq_disabled_regs(regs));
+ WARN_ON_ONCE(!regs_irqs_disabled(regs));
if (!cpumask_test_cpu(cpu, &wd_cpus_enabled))
return 0;
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index b906d28f74fd4..35f5f33f5777e 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2483,7 +2483,7 @@ static void __perf_event_interrupt(struct pt_regs *regs)
* will trigger a PMI after waking up from idle. Since counter values are _not_
* saved/restored in idle path, can lead to below "Can't find PMC" message.
*/
- if (unlikely(!found) && !arch_irq_disabled_regs(regs))
+ if (unlikely(!found) && !regs_irqs_disabled(regs))
printk_ratelimited(KERN_WARNING "Can't find PMC that caused IRQ\n");
/*
--
2.49.0
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