From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Peter Zijlstra <peterz@infradead.org>
Subject: [patch 42/75] genirq: Move IRQ_REPLAY and IRQ_WAITING to core
Date: Thu, 10 Feb 2011 23:37:27 -0000 [thread overview]
Message-ID: <20110210223258.364026889@linutronix.de> (raw)
In-Reply-To: 20110210222908.661199947@linutronix.de
[-- Attachment #1: genirq-move-waiting-replay.patch --]
[-- Type: text/plain, Size: 7362 bytes --]
No users outside of core.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/irq.h | 9 +++++----
kernel/irq/autoprobe.c | 11 +++++------
kernel/irq/chip.c | 9 ++++-----
kernel/irq/internals.h | 8 ++++++--
kernel/irq/manage.c | 4 ++--
kernel/irq/resend.c | 7 +++++--
kernel/irq/settings.h | 4 ++++
7 files changed, 31 insertions(+), 21 deletions(-)
Index: linux-2.6-tip/include/linux/irq.h
===================================================================
--- linux-2.6-tip.orig/include/linux/irq.h
+++ linux-2.6-tip/include/linux/irq.h
@@ -53,12 +53,13 @@ typedef void (*irq_flow_handler_t)(unsig
#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
#define IRQ_INPROGRESS 0x00000100 /* DEPRECATED */
+#define IRQ_REPLAY 0x00000200 /* DEPRECATED */
+#define IRQ_WAITING 0x00000400 /* DEPRECATED */
#endif
-#define IRQ_DISABLED 0x00000200 /* IRQ disabled - do not enter! */
-#define IRQ_PENDING 0x00000400 /* IRQ pending - replay on enable */
-#define IRQ_REPLAY 0x00000800 /* IRQ has been replayed but not acked yet */
-#define IRQ_WAITING 0x00002000 /* IRQ not yet seen - for autodetection */
+#define IRQ_DISABLED 0x00000800 /* IRQ disabled - do not enter! */
+#define IRQ_PENDING 0x00001000 /* IRQ pending - replay on enable */
+
#define IRQ_LEVEL 0x00004000 /* IRQ level triggered */
#define IRQ_MASKED 0x00008000 /* IRQ masked - shouldn't be seen again */
#define IRQ_PER_CPU 0x00010000 /* IRQ is per CPU */
Index: linux-2.6-tip/kernel/irq/autoprobe.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/autoprobe.c
+++ linux-2.6-tip/kernel/irq/autoprobe.c
@@ -17,7 +17,7 @@
/*
* Autodetection depends on the fact that any interrupt that
* comes in on to an unassigned handler will get stuck with
- * "IRQ_WAITING" cleared and the interrupt disabled.
+ * "IRQS_WAITING" cleared and the interrupt disabled.
*/
static DEFINE_MUTEX(probing_active);
@@ -75,8 +75,7 @@ unsigned long probe_irq_on(void)
for_each_irq_desc_reverse(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
- desc->istate |= IRQS_AUTODETECT;
- desc->status |= IRQ_WAITING;
+ desc->istate |= IRQS_AUTODETECT | IRQS_WAITING;
if (irq_startup(desc))
desc->status |= IRQ_PENDING;
}
@@ -96,7 +95,7 @@ unsigned long probe_irq_on(void)
if (desc->istate & IRQS_AUTODETECT) {
/* It triggered already - consider it spurious. */
- if (!(desc->status & IRQ_WAITING)) {
+ if (!(desc->istate & IRQS_WAITING)) {
desc->istate &= ~IRQS_AUTODETECT;
irq_shutdown(desc);
} else
@@ -131,7 +130,7 @@ unsigned int probe_irq_mask(unsigned lon
for_each_irq_desc(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (desc->istate & IRQS_AUTODETECT) {
- if (i < 16 && !(desc->status & IRQ_WAITING))
+ if (i < 16 && !(desc->istate & IRQS_WAITING))
mask |= 1 << i;
desc->istate &= ~IRQS_AUTODETECT;
@@ -171,7 +170,7 @@ int probe_irq_off(unsigned long val)
raw_spin_lock_irq(&desc->lock);
if (desc->istate & IRQS_AUTODETECT) {
- if (!(desc->status & IRQ_WAITING)) {
+ if (!(desc->istate & IRQS_WAITING)) {
if (!nr_of_irqs)
irq_found = i;
nr_of_irqs++;
Index: linux-2.6-tip/kernel/irq/chip.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/chip.c
+++ linux-2.6-tip/kernel/irq/chip.c
@@ -454,7 +454,7 @@ handle_simple_irq(unsigned int irq, stru
if (!irq_check_poll(desc))
goto out_unlock;
- desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+ desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
kstat_incr_irqs_this_cpu(irq, desc);
if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
@@ -486,7 +486,7 @@ handle_level_irq(unsigned int irq, struc
if (!irq_check_poll(desc))
goto out_unlock;
- desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+ desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
kstat_incr_irqs_this_cpu(irq, desc);
/*
@@ -524,7 +524,7 @@ handle_fasteoi_irq(unsigned int irq, str
if (!irq_check_poll(desc))
goto out;
- desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+ desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
kstat_incr_irqs_this_cpu(irq, desc);
/*
@@ -563,8 +563,7 @@ handle_edge_irq(unsigned int irq, struct
{
raw_spin_lock(&desc->lock);
- desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-
+ desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);
/*
* If we're currently running this IRQ, or its disabled,
* we shouldn't process the IRQ. Mark it pending, handle
Index: linux-2.6-tip/kernel/irq/internals.h
===================================================================
--- linux-2.6-tip.orig/kernel/irq/internals.h
+++ linux-2.6-tip/kernel/irq/internals.h
@@ -39,6 +39,8 @@ enum {
* IRQS_POLL_INPROGRESS - polling in progress
* IRQS_INPROGRESS - Interrupt in progress
* IRQS_ONESHOT - irq is not unmasked in primary handler
+ * IRQS_REPLAY - irq is replayed
+ * IRQS_WAITING - irq is waiting
*/
enum {
IRQS_AUTODETECT = 0x00000001,
@@ -47,6 +49,8 @@ enum {
IRQS_POLL_INPROGRESS = 0x00000008,
IRQS_INPROGRESS = 0x00000010,
IRQS_ONESHOT = 0x00000020,
+ IRQS_REPLAY = 0x00000040,
+ IRQS_WAITING = 0x00000080,
};
#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
@@ -133,8 +137,6 @@ static inline void print_irq_desc(unsign
P(IRQ_DISABLED);
P(IRQ_PENDING);
- P(IRQ_REPLAY);
- P(IRQ_WAITING);
P(IRQ_LEVEL);
P(IRQ_MASKED);
#ifdef CONFIG_IRQ_PER_CPU
@@ -146,6 +148,8 @@ static inline void print_irq_desc(unsign
PS(IRQS_AUTODETECT);
PS(IRQS_INPROGRESS);
+ PS(IRQS_REPLAY);
+ PS(IRQS_WAITING);
}
#undef P
Index: linux-2.6-tip/kernel/irq/manage.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/manage.c
+++ linux-2.6-tip/kernel/irq/manage.c
@@ -903,9 +903,9 @@ __setup_irq(unsigned int irq, struct irq
desc->status |= IRQ_PER_CPU;
#endif
- desc->status &= ~IRQ_WAITING;
desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
- IRQS_INPROGRESS | IRQS_ONESHOT);
+ IRQS_INPROGRESS | IRQS_ONESHOT | \
+ IRQS_WAITING);
if (new->flags & IRQF_ONESHOT)
desc->istate |= IRQS_ONESHOT;
Index: linux-2.6-tip/kernel/irq/resend.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/resend.c
+++ linux-2.6-tip/kernel/irq/resend.c
@@ -62,8 +62,11 @@ void check_irq_resend(struct irq_desc *d
*/
if (desc->status & IRQ_LEVEL)
return;
- if ((desc->status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
- desc->status = (desc->status & ~IRQ_PENDING) | IRQ_REPLAY;
+ if (desc->istate & IRQS_REPLAY)
+ return;
+ if (desc->status & IRQ_PENDING) {
+ desc->status &= IRQ_PENDING;
+ desc->istate |= IRQS_REPLAY;
if (!desc->irq_data.chip->irq_retrigger ||
!desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {
Index: linux-2.6-tip/kernel/irq/settings.h
===================================================================
--- linux-2.6-tip.orig/kernel/irq/settings.h
+++ linux-2.6-tip/kernel/irq/settings.h
@@ -8,3 +8,7 @@ enum {
#undef IRQ_INPROGRESS
#define IRQ_INPROGRESS GOT_YOU_MORON
+#undef IRQ_REPLAY
+#define IRQ_REPLAY GOT_YOU_MORON
+#undef IRQ_WAITING
+#define IRQ_WAITING GOT_YOU_MORON
next prev parent reply other threads:[~2011-02-10 23:38 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-10 23:35 [patch 00/75] genirq: Overhaul for 2.6.39 Thomas Gleixner
2011-02-10 23:35 ` [patch 01/75] genirq: Namespace cleanup Thomas Gleixner
2011-02-10 23:35 ` [patch 02/75] genirq: Simplify affinity related code Thomas Gleixner
2011-02-10 23:35 ` [patch 03/75] genirq: Rremove redundant check Thomas Gleixner
2011-02-10 23:35 ` [patch 04/75] genirq: Always apply cpu online mask Thomas Gleixner
2011-02-10 23:36 ` [patch 05/75] genirq: Do not copy affinity before set Thomas Gleixner
2011-02-10 23:36 ` [patch 06/75] genirq: Plug race in report_bad_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 07/75] genirq: Warn when handler enables interrupts Thomas Gleixner
2011-02-10 23:36 ` [patch 08/75] genirq: Fixup poll handling Thomas Gleixner
2011-02-10 23:36 ` [patch 09/75] genirq: Do not poll disabled, percpu and timer interrupts Thomas Gleixner
2011-02-10 23:36 ` [patch 10/75] genirq: spurious: Run only one poller at a time Thomas Gleixner
2011-02-10 23:36 ` [patch 11/75] genirq: Mark polled irqs and defer the real handler Thomas Gleixner
2011-02-10 23:36 ` [patch 12/75] genirq: Move irq thread flags to core Thomas Gleixner
2011-02-10 23:36 ` [patch 13/75] genirq: Remove bogus conditional Thomas Gleixner
2011-02-10 23:36 ` [patch 14/75] genirq: Consolidate startup/shutdown of interrupts Thomas Gleixner
2011-02-10 23:36 ` [patch 15/75] genirq: Consolidate disable/enable Thomas Gleixner
2011-02-10 23:36 ` [patch 16/75] genirq: Remove default magic Thomas Gleixner
2011-02-10 23:36 ` [patch 17/75] genirq: Consolidate IRQ_DISABLED Thomas Gleixner
2011-02-11 7:57 ` Lars-Peter Clausen
2011-02-11 11:39 ` Thomas Gleixner
2011-02-10 23:36 ` [patch 18/75] genirq: Do not fiddle with IRQ_MASKED in handle_edge_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 19/75] m68knommu: 5772: Replace private irq flow handler Thomas Gleixner
2011-02-10 23:36 ` [patch 20/75] arm: Ns9xxx: Remove " Thomas Gleixner
2011-02-10 23:36 ` [patch 21/75] genirq: Mark handle_IRQ_event deprecated Thomas Gleixner
2011-02-10 23:36 ` [patch 22/75] genirq: Implement handle_irq_event() Thomas Gleixner
2011-02-10 23:36 ` [patch 23/75] genirq: Use handle_irq_event() in handle_simple_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 24/75] genirq: Use handle_irq_event() in handle_level_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 25/75] genirq: Use handle_irq_event() in handle_fasteoi_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 26/75] genirq: Use handle_irq_event() in handle_edge_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 27/75] genirq: Use handle_perpcu_event() in handle_percpu_irq() Thomas Gleixner
2011-02-10 23:36 ` [patch 28/75] genirq: Use handle_irq_event() in the spurious poll code Thomas Gleixner
2011-02-10 23:36 ` [patch 29/75] genirq: Simplify handle_irq_event() Thomas Gleixner
2011-02-10 23:36 ` [patch 30/75] genirq: Implement generic irq_show_interrupts() Thomas Gleixner
2011-02-10 23:37 ` [patch 31/75] genirq: Fixup core code namespace fallout Thomas Gleixner
2011-02-10 23:37 ` [patch 32/75] genirq: Add internal state field to irq_desc Thomas Gleixner
2011-02-10 23:37 ` [patch 33/75] gpio: Remove broken irq_desc hackery Thomas Gleixner
2011-02-11 12:57 ` Wolfram Sang
2011-02-10 23:37 ` [patch 34/75] arm: ep93xx: Kill another instance of broken irq_desc fiddling Thomas Gleixner
2011-02-11 0:07 ` H Hartley Sweeten
2011-02-11 0:22 ` Ryan Mallon
2011-02-11 11:42 ` Thomas Gleixner
2011-02-11 20:16 ` Ryan Mallon
2011-02-10 23:37 ` [patch 35/75] genirq: Protect tglx from tripping over his own feet Thomas Gleixner
2011-02-10 23:37 ` [patch 36/75] genirq: Move IRQ_AUTODETECT to internal state Thomas Gleixner
2011-02-10 23:37 ` [patch 37/75] genirq: Move IRQ_SPURIOUS_DISABLED to core state Thomas Gleixner
2011-02-10 23:37 ` [patch 38/75] genirq: Move IRQ_NESTED_THREAD " Thomas Gleixner
2011-02-10 23:37 ` [patch 39/75] genirq: Move IRQ_POLL_INPROGRESS to core Thomas Gleixner
2011-02-10 23:37 ` [patch 40/75] genirq: Add IRQ_INPROGRESS " Thomas Gleixner
2011-02-10 23:37 ` [patch 41/75] genirq: Move IRQ_ONESHOT " Thomas Gleixner
2011-02-10 23:37 ` Thomas Gleixner [this message]
2011-02-10 23:37 ` [patch 43/75] genirq: Move IRQ_DISABLED " Thomas Gleixner
2011-02-10 23:37 ` [patch 44/75] genirq: Move IRQ_PENDING flag " Thomas Gleixner
2011-02-10 23:37 ` [patch 45/75] genirq: Move IRQ_MASKED " Thomas Gleixner
2011-02-10 23:37 ` [patch 46/75] genirq: Move IRQ_SUSPENDED " Thomas Gleixner
2011-02-10 23:37 ` [patch 47/75] arm: tegra: Remove unused function which fiddles with irq_desc Thomas Gleixner
2011-02-10 23:48 ` Colin Cross
2011-02-10 23:37 ` [patch 48/75] genirq: Move IRQ_WAKEUP to core Thomas Gleixner
2011-02-10 23:37 ` [patch 49/75] genirq: Add state field to irq_data Thomas Gleixner
2011-02-10 23:37 ` [patch 50/75] genirq: Add IRQ_MOVE_PENDING to irq_data.state Thomas Gleixner
2011-02-10 23:37 ` [patch 51/75] genirq: Remove CONFIG_IRQ_PER_CPU Thomas Gleixner
2011-02-10 23:37 ` [patch 52/75] genirq: Make CHECK_IRQ_PER_CPU an inline and deprecate it Thomas Gleixner
2011-02-10 23:37 ` [patch 53/75] genirq: Remove CHECK_IRQ_PER_CPU from core code Thomas Gleixner
2011-02-10 23:37 ` [patch 54/75] genirq: Move debug code to separate header Thomas Gleixner
2011-02-10 23:37 ` [patch 55/75] genirq: Mirror IRQ_PER_CPU and IRQ_NO_BALANCING in irq_data.state Thomas Gleixner
2011-02-10 23:38 ` [patch 56/75] genirq: Reuse existing can set affinty check Thomas Gleixner
2011-02-10 23:38 ` [patch 57/75] genirq: Move IRQ_AFFINITY_SET to core Thomas Gleixner
2011-02-10 23:38 ` [patch 58/75] genirq: Mirror irq trigger type bits in irq_data.state Thomas Gleixner
2011-02-10 23:38 ` [patch 59/75] genirq: Wrap the remaning IRQ_* flags Thomas Gleixner
2011-02-10 23:38 ` [patch 60/75] genirq: Force wrapped access to desc->status in core code Thomas Gleixner
2011-02-10 23:38 ` [patch 61/75] genirq: Cleanup irq.h Thomas Gleixner
2011-02-10 23:38 ` [patch 62/75] genirq: Add flags to irq_chip Thomas Gleixner
2011-02-10 23:38 ` [patch 63/75] genirq: Add IRQCHIP_SET_TYPE_MASKED flag and IRQD_WAKE_SET Thomas Gleixner
2011-02-14 17:07 ` Rabin Vincent
2011-02-14 18:43 ` Thomas Gleixner
2011-02-10 23:38 ` [patch 64/75] genirq: Move wakeup state to irq_data Thomas Gleixner
2011-02-10 23:38 ` [patch 65/75] genirq: Reflect IRQ_INPROGRESS/DISABLED in irq_data.state Thomas Gleixner
2011-02-10 23:38 ` [patch 66/75] genirq: Reflect IRQ_MOVE_PCNTXT in irq_data state Thomas Gleixner
2011-02-10 23:38 ` [patch 67/75] genirq: Remove desc->status when GENERIC_HARDIRQS_NO_COMPAT=y Thomas Gleixner
2011-02-10 23:38 ` [patch 68/75] genirq: Add preflow handler support Thomas Gleixner
2011-02-10 23:38 ` [patch 69/75] genirq: Implement irq_data based move_*_irq() versions Thomas Gleixner
2011-02-10 23:38 ` [patch 70/75] x86: Fixup deprecation warnings Thomas Gleixner
2011-02-10 23:38 ` [patch 71/75] x86: ioapic: Use irq_data->state Thomas Gleixner
2011-02-10 23:38 ` [patch 72/75] x86: Use the proper accessors in fixup_irqs() Thomas Gleixner
2011-02-10 23:38 ` [patch 73/75] x86: ioapic: Use new move_irq functions Thomas Gleixner
2011-02-10 23:38 ` [patch 74/75] x86: Use generic show_interrupts Thomas Gleixner
2011-02-10 23:38 ` [patch 75/75] x86: Disable deprecated GENIRQ features Thomas Gleixner
2011-02-10 23:53 ` [patch 00/75] genirq: Overhaul for 2.6.39 Linus Torvalds
2011-02-11 0:00 ` Thomas Gleixner
2011-02-11 0:28 ` Linus Torvalds
2011-02-11 0:49 ` Thomas Gleixner
2011-02-11 13:05 ` Thomas Gleixner
2011-02-11 13:59 ` Ingo Molnar
2011-02-11 14:26 ` Thomas Gleixner
2011-02-13 12:50 ` Sam Ravnborg
2011-02-14 19:01 ` Thomas Gleixner
2011-02-11 4:03 ` Frank Rowand
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