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 44/75] genirq: Move IRQ_PENDING flag to core
Date: Thu, 10 Feb 2011 23:37:32 -0000 [thread overview]
Message-ID: <20110210223258.556677117@linutronix.de> (raw)
In-Reply-To: 20110210222908.661199947@linutronix.de
[-- Attachment #1: genirq-move-pending.patch --]
[-- Type: text/plain, Size: 8777 bytes --]
Keep status in sync until all users are fixed.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/irq.h | 2 +-
kernel/irq/autoprobe.c | 6 ++++--
kernel/irq/chip.c | 10 ++++++----
kernel/irq/compat.h | 12 +++++++++++-
kernel/irq/handle.c | 3 ++-
kernel/irq/internals.h | 4 +++-
kernel/irq/manage.c | 5 +++--
kernel/irq/pm.c | 3 ++-
kernel/irq/resend.c | 5 +++--
kernel/irq/settings.h | 2 ++
kernel/irq/spurious.c | 5 +++--
11 files changed, 40 insertions(+), 17 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
@@ -56,9 +56,9 @@ typedef void (*irq_flow_handler_t)(unsig
#define IRQ_REPLAY 0x00000200 /* DEPRECATED */
#define IRQ_WAITING 0x00000400 /* DEPRECATED */
#define IRQ_DISABLED 0x00000800 /* DEPRECATED */
+#define IRQ_PENDING 0x00001000 /* DEPRECATED */
#endif
-#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 */
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
@@ -76,8 +76,10 @@ unsigned long probe_irq_on(void)
raw_spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
desc->istate |= IRQS_AUTODETECT | IRQS_WAITING;
- if (irq_startup(desc))
- desc->status |= IRQ_PENDING;
+ if (irq_startup(desc)) {
+ irq_compat_set_pending(desc);
+ desc->istate |= IRQS_PENDING;
+ }
}
raw_spin_unlock_irq(&desc->lock);
}
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
@@ -544,7 +544,8 @@ handle_fasteoi_irq(unsigned int irq, str
* then mask it and get out of here:
*/
if (unlikely(!desc->action || (desc->istate & IRQS_DISABLED))) {
- desc->status |= IRQ_PENDING;
+ irq_compat_set_pending(desc);
+ desc->istate |= IRQS_PENDING;
mask_irq(desc);
goto out;
}
@@ -584,7 +585,8 @@ handle_edge_irq(unsigned int irq, struct
if (unlikely((desc->istate & (IRQS_DISABLED | IRQS_INPROGRESS) ||
!desc->action))) {
if (!irq_check_poll(desc)) {
- desc->status |= IRQ_PENDING;
+ irq_compat_set_pending(desc);
+ desc->istate |= IRQS_PENDING;
mask_ack_irq(desc);
goto out_unlock;
}
@@ -605,7 +607,7 @@ handle_edge_irq(unsigned int irq, struct
* one, we could have masked the irq.
* Renable it, if it was not disabled in meantime.
*/
- if (unlikely(desc->status & IRQ_PENDING)) {
+ if (unlikely(desc->istate & IRQS_PENDING)) {
if (!(desc->istate & IRQS_DISABLED) &&
(desc->status & IRQ_MASKED))
unmask_irq(desc);
@@ -613,7 +615,7 @@ handle_edge_irq(unsigned int irq, struct
handle_irq_event(desc);
- } while ((desc->status & IRQ_PENDING) &&
+ } while ((desc->istate & IRQS_PENDING) &&
!(desc->istate & IRQS_DISABLED));
out_unlock:
Index: linux-2.6-tip/kernel/irq/compat.h
===================================================================
--- linux-2.6-tip.orig/kernel/irq/compat.h
+++ linux-2.6-tip/kernel/irq/compat.h
@@ -15,15 +15,25 @@ static inline void irq_compat_set_disabl
{
desc->status |= IRQ_DISABLED;
}
-
static inline void irq_compat_clr_disabled(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;
}
+static inline void irq_compat_set_pending(struct irq_desc *desc)
+{
+ desc->status |= IRQ_PENDING;
+}
+
+static inline void irq_compat_clr_pending(struct irq_desc *desc)
+{
+ desc->status &= ~IRQ_PENDING;
+}
#else
static inline void irq_compat_set_progress(struct irq_desc *desc) { }
static inline void irq_compat_clr_progress(struct irq_desc *desc) { }
static inline void irq_compat_set_disabled(struct irq_desc *desc) { }
static inline void irq_compat_clr_disabled(struct irq_desc *desc) { }
+static inline void irq_compat_set_pending(struct irq_desc *desc) { }
+static inline void irq_compat_clr_pending(struct irq_desc *desc) { }
#endif
Index: linux-2.6-tip/kernel/irq/handle.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/handle.c
+++ linux-2.6-tip/kernel/irq/handle.c
@@ -122,7 +122,8 @@ irqreturn_t handle_irq_event(struct irq_
struct irqaction *action = desc->action;
irqreturn_t ret;
- desc->status &= ~IRQ_PENDING;
+ irq_compat_clr_pending(desc);
+ desc->istate &= ~IRQS_PENDING;
irq_compat_set_progress(desc);
desc->istate |= IRQS_INPROGRESS;
raw_spin_unlock(&desc->lock);
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
@@ -42,6 +42,7 @@ enum {
* IRQS_REPLAY - irq is replayed
* IRQS_WAITING - irq is waiting
* IRQS_DISABLED - irq is disabled
+ * IRQS_PENDING - irq is pending and replayed later
*/
enum {
IRQS_AUTODETECT = 0x00000001,
@@ -53,6 +54,7 @@ enum {
IRQS_REPLAY = 0x00000040,
IRQS_WAITING = 0x00000080,
IRQS_DISABLED = 0x00000100,
+ IRQS_PENDING = 0x00000200,
};
#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
@@ -137,7 +139,6 @@ static inline void print_irq_desc(unsign
print_symbol("%s\n", (unsigned long)desc->action->handler);
}
- P(IRQ_PENDING);
P(IRQ_LEVEL);
P(IRQ_MASKED);
#ifdef CONFIG_IRQ_PER_CPU
@@ -152,6 +153,7 @@ static inline void print_irq_desc(unsign
PS(IRQS_REPLAY);
PS(IRQS_WAITING);
PS(IRQS_DISABLED);
+ PS(IRQS_PENDING);
}
#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
@@ -720,10 +720,11 @@ static int irq_thread(void *data)
* CHECKME: We might need a dedicated
* IRQ_THREAD_PENDING flag here, which
* retriggers the thread in check_irq_resend()
- * but AFAICT IRQ_PENDING should be fine as it
+ * but AFAICT IRQS_PENDING should be fine as it
* retriggers the interrupt itself --- tglx
*/
- desc->status |= IRQ_PENDING;
+ irq_compat_set_pending(desc);
+ desc->istate |= IRQS_PENDING;
raw_spin_unlock_irq(&desc->lock);
} else {
raw_spin_unlock_irq(&desc->lock);
Index: linux-2.6-tip/kernel/irq/pm.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/pm.c
+++ linux-2.6-tip/kernel/irq/pm.c
@@ -69,7 +69,8 @@ int check_wakeup_irqs(void)
int irq;
for_each_irq_desc(irq, desc)
- if ((desc->status & IRQ_WAKEUP) && (desc->status & IRQ_PENDING))
+ if ((desc->status & IRQ_WAKEUP) &&
+ (desc->istate & IRQS_PENDING))
return -EBUSY;
return 0;
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
@@ -64,8 +64,9 @@ void check_irq_resend(struct irq_desc *d
return;
if (desc->istate & IRQS_REPLAY)
return;
- if (desc->status & IRQ_PENDING) {
- desc->status &= IRQ_PENDING;
+ if (desc->istate & IRQS_PENDING) {
+ irq_compat_clr_pending(desc);
+ desc->istate &= IRQS_PENDING;
desc->istate |= IRQS_REPLAY;
if (!desc->irq_data.chip->irq_retrigger ||
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
@@ -14,3 +14,5 @@ enum {
#define IRQ_WAITING GOT_YOU_MORON
#undef IRQ_DISABLED
#define IRQ_DISABLED GOT_YOU_MORON
+#undef IRQ_PENDING
+#define IRQ_PENDING GOT_YOU_MORON
Index: linux-2.6-tip/kernel/irq/spurious.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/spurious.c
+++ linux-2.6-tip/kernel/irq/spurious.c
@@ -93,7 +93,8 @@ static int try_one_irq(int irq, struct i
* Already running: If it is shared get the other
* CPU to go looking for our mystery interrupt too
*/
- desc->status |= IRQ_PENDING;
+ irq_compat_set_pending(desc);
+ desc->istate |= IRQS_PENDING;
goto out;
}
@@ -103,7 +104,7 @@ static int try_one_irq(int irq, struct i
if (handle_irq_event(desc) == IRQ_HANDLED)
ret = IRQ_HANDLED;
action = desc->action;
- } while ((desc->status & IRQ_PENDING) && action);
+ } while ((desc->istate & IRQS_PENDING) && action);
desc->istate &= ~IRQS_POLL_INPROGRESS;
out:
raw_spin_unlock(&desc->lock);
next prev parent reply other threads:[~2011-02-10 23:37 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 ` [patch 42/75] genirq: Move IRQ_REPLAY and IRQ_WAITING " Thomas Gleixner
2011-02-10 23:37 ` [patch 43/75] genirq: Move IRQ_DISABLED " Thomas Gleixner
2011-02-10 23:37 ` Thomas Gleixner [this message]
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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