From: James Gowans <jgowans@amazon.com>
To: Thomas Gleixner <tglx@linutronix.de>, Marc Zyngier <maz@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, James Gowans <jgowans@amazon.com>,
Liao Chang <liaochang1@huawei.com>
Subject: [PATCH v3 1/2] genirq: Expand doc for PENDING and REPLAY flags
Date: Mon, 5 Jun 2023 17:57:22 +0200 [thread overview]
Message-ID: <20230605155723.2628097-1-jgowans@amazon.com> (raw)
Adding a bit more info about what the flags are used for may help future
code readers.
Signed-off-by: James Gowans <jgowans@amazon.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Liao Chang <liaochang1@huawei.com>
---
kernel/irq/internals.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 5fdc0b557579..c443a0ddc07e 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -47,9 +47,12 @@ enum {
* detection
* IRQS_POLL_INPROGRESS - polling in progress
* IRQS_ONESHOT - irq is not unmasked in primary handler
- * IRQS_REPLAY - irq is replayed
+ * IRQS_REPLAY - irq has been resent and will not be resent
+ * again until the handler has run and cleared
+ * this flag.
* IRQS_WAITING - irq is waiting
- * IRQS_PENDING - irq is pending and replayed later
+ * IRQS_PENDING - irq needs to be resent and should be resent
+ * at the next available opportunity.
* IRQS_SUSPENDED - irq is suspended
* IRQS_NMI - irq line is used to deliver NMIs
* IRQS_SYSFS - descriptor has been added to sysfs
--
2.25.1
next reply other threads:[~2023-06-05 15:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-05 15:57 James Gowans [this message]
2023-06-05 15:57 ` [PATCH v3 2/2] genirq: fasteoi supports resend on concurrent invoke James Gowans
2023-06-06 2:06 ` Randy Dunlap
2023-06-06 17:05 ` Marc Zyngier
2023-06-07 12:21 ` Gowans, James
2023-06-07 13:13 ` Marc Zyngier
2023-06-08 12:12 ` Gowans, James
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