From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
peterz@infradead.org, tglx@linutronix.de
Subject: [tip:irq/core] genirq: Add IRQF_NO_THREAD
Date: Sat, 26 Feb 2011 16:22:54 GMT [thread overview]
Message-ID: <tip-0c4602ff88d6d6ef0ee6d228ee9acaa6448ff6f5@git.kernel.org> (raw)
In-Reply-To: <20110223234956.578893460@linutronix.de>
Commit-ID: 0c4602ff88d6d6ef0ee6d228ee9acaa6448ff6f5
Gitweb: http://git.kernel.org/tip/0c4602ff88d6d6ef0ee6d228ee9acaa6448ff6f5
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 23 Feb 2011 23:52:18 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Fri, 25 Feb 2011 20:24:22 +0100
genirq: Add IRQF_NO_THREAD
Some low level interrupts cannot be threaded even when we force thread
all interrupt handlers. Add a flag to annotate such interrupts. Add
all timer interrupts to this category by default.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20110223234956.578893460@linutronix.de>
---
include/linux/interrupt.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index e116fef..0fc3eb9 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -58,6 +58,7 @@
* irq line disabled until the threaded handler has been run.
* IRQF_NO_SUSPEND - Do not disable this IRQ during suspend
* IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set
+ * IRQF_NO_THREAD - Interrupt cannot be threaded
*/
#define IRQF_DISABLED 0x00000020
#define IRQF_SAMPLE_RANDOM 0x00000040
@@ -70,8 +71,9 @@
#define IRQF_ONESHOT 0x00002000
#define IRQF_NO_SUSPEND 0x00004000
#define IRQF_FORCE_RESUME 0x00008000
+#define IRQF_NO_THREAD 0x00010000
-#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND)
+#define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD)
/*
* These values can be returned by request_any_context_irq() and
next prev parent reply other threads:[~2011-02-26 16:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-23 23:52 [patch 0/5] genirq: Forced threaded interrupt handlers Thomas Gleixner
2011-02-23 23:52 ` [patch 1/5] genirq: Prepare the handling of shared oneshot interrupts Thomas Gleixner
2011-02-24 2:30 ` Linus Torvalds
2011-02-24 17:56 ` Thomas Gleixner
2011-02-26 16:22 ` [tip:irq/core] " tip-bot for Thomas Gleixner
2011-02-23 23:52 ` [patch 2/5] genirq: Allow " Thomas Gleixner
2011-02-26 16:22 ` [tip:irq/core] " tip-bot for Thomas Gleixner
2011-02-23 23:52 ` [patch 3/5] genirq: Add IRQF_NO_THREAD Thomas Gleixner
2011-02-26 16:22 ` tip-bot for Thomas Gleixner [this message]
2011-02-23 23:52 ` [patch 4/5] sched: Switch wait_task_inactive to schedule_hrtimeout() Thomas Gleixner
2011-02-26 16:23 ` [tip:irq/core] " tip-bot for Thomas Gleixner
2011-02-23 23:52 ` [patch 5/5] genirq: Provide forced interrupt threading Thomas Gleixner
2011-02-26 16:23 ` [tip:irq/core] " tip-bot for Thomas Gleixner
2011-02-24 7:12 ` [patch 0/5] genirq: Forced threaded interrupt handlers Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=tip-0c4602ff88d6d6ef0ee6d228ee9acaa6448ff6f5@git.kernel.org \
--to=tglx@linutronix.de \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox