From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH v5 13/21] powerpc: handle irq_enter/irq_exit in interrupt handler wrappers
Date: Wed, 13 Jan 2021 17:32:07 +1000 [thread overview]
Message-ID: <20210113073215.516986-14-npiggin@gmail.com> (raw)
In-Reply-To: <20210113073215.516986-1-npiggin@gmail.com>
Move irq_enter/irq_exit into asynchronous interrupt handler wrappers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/include/asm/interrupt.h | 2 ++
arch/powerpc/kernel/dbell.c | 3 +--
arch/powerpc/kernel/irq.c | 4 ----
arch/powerpc/kernel/tau_6xx.c | 3 ---
arch/powerpc/kernel/time.c | 4 ++--
arch/powerpc/kernel/traps.c | 6 ------
6 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index 7c40ce78c4bb..bee393c72fe5 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -43,10 +43,12 @@ static inline void interrupt_exit_prepare(struct pt_regs *regs, struct interrupt
static inline void interrupt_async_enter_prepare(struct pt_regs *regs, struct interrupt_state *state)
{
interrupt_enter_prepare(regs, state);
+ irq_enter();
}
static inline void interrupt_async_exit_prepare(struct pt_regs *regs, struct interrupt_state *state)
{
+ irq_exit();
interrupt_exit_prepare(regs, state);
}
diff --git a/arch/powerpc/kernel/dbell.c b/arch/powerpc/kernel/dbell.c
index c0f99f8ffa7d..84ee9c511459 100644
--- a/arch/powerpc/kernel/dbell.c
+++ b/arch/powerpc/kernel/dbell.c
@@ -22,7 +22,6 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(doorbell_exception)
#ifdef CONFIG_SMP
struct pt_regs *old_regs = set_irq_regs(regs);
- irq_enter();
trace_doorbell_entry(regs);
ppc_msgsync();
@@ -35,7 +34,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(doorbell_exception)
smp_ipi_demux_relaxed(); /* already performed the barrier */
trace_doorbell_exit(regs);
- irq_exit();
+
set_irq_regs(old_regs);
#else /* CONFIG_SMP */
printk(KERN_WARNING "Received doorbell on non-smp system\n");
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 2055d204d08e..681abb7c0507 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -641,8 +641,6 @@ void __do_irq(struct pt_regs *regs)
{
unsigned int irq;
- irq_enter();
-
trace_irq_entry(regs);
/*
@@ -662,8 +660,6 @@ void __do_irq(struct pt_regs *regs)
generic_handle_irq(irq);
trace_irq_exit(regs);
-
- irq_exit();
}
DEFINE_INTERRUPT_HANDLER_ASYNC(do_IRQ)
diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c
index 46b2e5de4ef5..d864f07bab74 100644
--- a/arch/powerpc/kernel/tau_6xx.c
+++ b/arch/powerpc/kernel/tau_6xx.c
@@ -104,12 +104,9 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(TAUException)
{
int cpu = smp_processor_id();
- irq_enter();
tau[cpu].interrupts++;
TAUupdate(cpu);
-
- irq_exit();
}
#endif /* CONFIG_TAU_INT */
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 435a251247ed..2177defb7884 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -610,7 +610,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
#endif
old_regs = set_irq_regs(regs);
- irq_enter();
+
trace_timer_interrupt_entry(regs);
if (test_irq_work_pending()) {
@@ -635,7 +635,7 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
}
trace_timer_interrupt_exit(regs);
- irq_exit();
+
set_irq_regs(old_regs);
}
EXPORT_SYMBOL(timer_interrupt);
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index b2c53883580b..b4f23e871a68 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1051,7 +1051,6 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(handle_hmi_exception)
struct pt_regs *old_regs;
old_regs = set_irq_regs(regs);
- irq_enter();
#ifdef CONFIG_VSX
/* Real mode flagged P9 special emu is needed */
@@ -1071,7 +1070,6 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(handle_hmi_exception)
if (ppc_md.handle_hmi_exception)
ppc_md.handle_hmi_exception(regs);
- irq_exit();
set_irq_regs(old_regs);
}
@@ -1889,13 +1887,9 @@ DEFINE_INTERRUPT_HANDLER_NMI(performance_monitor_exception_nmi)
DEFINE_INTERRUPT_HANDLER_ASYNC(performance_monitor_exception_async)
{
- irq_enter();
-
__this_cpu_inc(irq_stat.pmu_irqs);
perf_irq(regs);
-
- irq_exit();
}
DEFINE_INTERRUPT_HANDLER_RAW(performance_monitor_exception)
--
2.23.0
next prev parent reply other threads:[~2021-01-13 8:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-13 7:31 [PATCH v5 00/21] powerpc: interrupt wrappers Nicholas Piggin
2021-01-13 7:31 ` [PATCH v5 01/21] powerpc/32s: Do DABR match out of handle_page_fault() Nicholas Piggin
2021-01-13 7:31 ` [PATCH v5 02/21] powerpc/64s: move the last of the page fault handling logic to C Nicholas Piggin
2021-01-13 14:12 ` Christophe Leroy
2021-01-14 3:24 ` Nicholas Piggin
2021-01-14 12:09 ` Nicholas Piggin
2021-01-14 12:25 ` Christophe Leroy
2021-01-14 13:17 ` Nicholas Piggin
2021-01-14 13:28 ` Christophe Leroy
2021-01-15 0:25 ` Nicholas Piggin
2021-01-13 7:31 ` [PATCH v5 03/21] powerpc: remove arguments from fault handler functions Nicholas Piggin
2021-01-14 14:12 ` Christophe Leroy
2021-01-13 7:31 ` [PATCH v5 04/21] powerpc: bad_page_fault, do_break get registers from regs Nicholas Piggin
2021-01-13 14:25 ` Christophe Leroy
2021-01-14 3:26 ` Nicholas Piggin
2021-01-13 7:31 ` [PATCH v5 05/21] powerpc/perf: move perf irq/nmi handling details into traps.c Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 06/21] powerpc: interrupt handler wrapper functions Nicholas Piggin
2021-01-13 14:45 ` Christophe Leroy
2021-01-14 3:41 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 07/21] powerpc: add interrupt wrapper entry / exit stub functions Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 08/21] powerpc: add interrupt_cond_local_irq_enable helper Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 09/21] powerpc/64: context tracking remove _TIF_NOHZ Nicholas Piggin
2021-01-13 14:50 ` Christophe Leroy
2021-01-14 3:48 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 10/21] powerpc/64s/hash: improve context tracking of hash faults Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 11/21] powerpc/64: context tracking move to interrupt wrappers Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 12/21] powerpc/64: add context tracking to asynchronous interrupts Nicholas Piggin
2021-01-13 7:32 ` Nicholas Piggin [this message]
2021-01-13 7:32 ` [PATCH v5 14/21] powerpc/64s: move context tracking exit to interrupt exit path Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 15/21] powerpc/64s: reconcile interrupts in C Nicholas Piggin
2021-01-13 14:54 ` Christophe Leroy
2021-01-14 3:51 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 16/21] powerpc/64: move account_stolen_time into its own function Nicholas Piggin
2021-01-13 14:59 ` Christophe Leroy
2021-01-14 3:51 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 17/21] powerpc/64: entry cpu time accounting in C Nicholas Piggin
2021-01-13 15:05 ` Christophe Leroy
2021-01-14 3:58 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 18/21] powerpc: move NMI entry/exit code into wrapper Nicholas Piggin
2021-01-13 15:13 ` Christophe Leroy
2021-01-14 4:00 ` Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 19/21] powerpc/64s: move NMI soft-mask handling to C Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 20/21] powerpc/64s: runlatch interrupt handling in C Nicholas Piggin
2021-01-13 7:32 ` [PATCH v5 21/21] powerpc/64s: power4 nap fixup " Nicholas Piggin
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