From c1594b77e46124bb462f961e536120e471c67446 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 7 Feb 2011 22:11:30 +0100 Subject: genirq: Move IRQ_DISABLED to core Keep status in sync until all abusers are fixed. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 441fd629ff04..8c68cb8555a7 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -61,7 +61,7 @@ void move_native_irq(int irq) if (likely(!(desc->status & IRQ_MOVE_PENDING))) return; - if (unlikely(desc->status & IRQ_DISABLED)) + if (unlikely(desc->istate & IRQS_DISABLED)) return; /* -- cgit v1.2.2 From 6e40262ea43c4b0e3f435b3a083e4461ef921c17 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 8 Feb 2011 12:36:06 +0100 Subject: genirq: Move IRQ_MASKED to core Keep status in sync until all users are fixed. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 8c68cb8555a7..6f2f98480354 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -69,7 +69,7 @@ void move_native_irq(int irq) * threaded interrupt with ONESHOT set, we can end up with an * interrupt storm. */ - masked = desc->status & IRQ_MASKED; + masked = desc->istate & IRQS_MASKED; if (!masked) desc->irq_data.chip->irq_mask(&desc->irq_data); move_masked_irq(irq); -- cgit v1.2.2 From f230b6d5c48f8d12f4dfa1f8b5ab0b0320076d21 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 5 Feb 2011 15:20:04 +0100 Subject: genirq: Add IRQ_MOVE_PENDING to irq_data.state chip implementations need to know about it. Keep status in sync until all users are fixed. Accessor function: irqd_is_setaffinity_pending(irqdata) Coders who access them directly will be tracked down and slapped with stinking trouts. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 6f2f98480354..9485ae081dcd 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -9,7 +9,7 @@ void move_masked_irq(int irq) struct irq_desc *desc = irq_to_desc(irq); struct irq_chip *chip = desc->irq_data.chip; - if (likely(!(desc->status & IRQ_MOVE_PENDING))) + if (likely(!irqd_is_setaffinity_pending(&desc->irq_data))) return; /* @@ -20,7 +20,7 @@ void move_masked_irq(int irq) return; } - desc->status &= ~IRQ_MOVE_PENDING; + irqd_clr_move_pending(&desc->irq_data); if (unlikely(cpumask_empty(desc->pending_mask))) return; @@ -58,7 +58,7 @@ void move_native_irq(int irq) struct irq_desc *desc = irq_to_desc(irq); bool masked; - if (likely(!(desc->status & IRQ_MOVE_PENDING))) + if (likely(!irqd_is_setaffinity_pending(&desc->irq_data))) return; if (unlikely(desc->istate & IRQS_DISABLED)) -- cgit v1.2.2 From fae581e588e64a0690f3fc995e404fcacaebe772 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 8 Feb 2011 16:53:24 +0100 Subject: genirq: Remove CHECK_IRQ_PER_CPU from core code Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 9485ae081dcd..24f53caddf47 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -15,7 +15,7 @@ void move_masked_irq(int irq) /* * Paranoia: cpu-local interrupts shouldn't be calling in here anyway. */ - if (CHECK_IRQ_PER_CPU(desc->status)) { + if (desc->status & (IRQ_PER_CPU | IRQ_NO_BALANCING)) { WARN_ON(1); return; } -- cgit v1.2.2 From a005677b3dd05decdd8880cf3044ae709856f58f Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 8 Feb 2011 17:11:03 +0100 Subject: genirq: Mirror IRQ_PER_CPU and IRQ_NO_BALANCING in irq_data.state That's the right data structure to look at for arch code. Accessor functions are provided. irqd_is_per_cpu(irqdata); irqd_can_balance(irqdata); Coders who access them directly will be tracked down and slapped with stinking trouts. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 24f53caddf47..7a93c6b88b25 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -15,7 +15,7 @@ void move_masked_irq(int irq) /* * Paranoia: cpu-local interrupts shouldn't be calling in here anyway. */ - if (desc->status & (IRQ_PER_CPU | IRQ_NO_BALANCING)) { + if (!irqd_can_balance(&desc->irq_data)) { WARN_ON(1); return; } -- cgit v1.2.2 From a439520f8b18917b322f576be04c54aba84bb044 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 4 Feb 2011 18:46:16 +0100 Subject: genirq: Implement irq_data based move_*_irq() versions No need to lookup the irq descriptor when calling from a chip callback function which has irq_data already handy. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 7a93c6b88b25..ec4806d4778b 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -4,10 +4,10 @@ #include "internals.h" -void move_masked_irq(int irq) +void irq_move_masked_irq(struct irq_data *idata) { - struct irq_desc *desc = irq_to_desc(irq); - struct irq_chip *chip = desc->irq_data.chip; + struct irq_desc *desc = irq_data_to_desc(idata); + struct irq_chip *chip = idata->chip; if (likely(!irqd_is_setaffinity_pending(&desc->irq_data))) return; @@ -53,12 +53,17 @@ void move_masked_irq(int irq) cpumask_clear(desc->pending_mask); } -void move_native_irq(int irq) +void move_masked_irq(int irq) +{ + irq_move_masked_irq(irq_get_irq_data(irq)); +} + +void irq_move_irq(struct irq_data *idata) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc = irq_data_to_desc(idata); bool masked; - if (likely(!irqd_is_setaffinity_pending(&desc->irq_data))) + if (likely(!irqd_is_setaffinity_pending(idata))) return; if (unlikely(desc->istate & IRQS_DISABLED)) @@ -71,8 +76,13 @@ void move_native_irq(int irq) */ masked = desc->istate & IRQS_MASKED; if (!masked) - desc->irq_data.chip->irq_mask(&desc->irq_data); - move_masked_irq(irq); + idata->chip->irq_mask(idata); + irq_move_masked_irq(idata); if (!masked) - desc->irq_data.chip->irq_unmask(&desc->irq_data); + idata->chip->irq_unmask(idata); +} + +void move_native_irq(int irq) +{ + irq_move_irq(irq_get_irq_data(irq)); } -- cgit v1.2.2 From 32f4125ebffee4f3c4dbc6a437fc656129eb9e60 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 28 Mar 2011 14:10:52 +0200 Subject: genirq: Move INPROGRESS, MASKED and DISABLED state flags to irq_data We really need these flags for some of the interrupt chips. Move it from internal state to irq_data and provide proper accessors. Signed-off-by: Thomas Gleixner Cc: David Daney --- kernel/irq/migration.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index ec4806d4778b..5e81d34b08d6 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -66,7 +66,7 @@ void irq_move_irq(struct irq_data *idata) if (likely(!irqd_is_setaffinity_pending(idata))) return; - if (unlikely(desc->istate & IRQS_DISABLED)) + if (unlikely(irqd_irq_disabled(idata))) return; /* @@ -74,7 +74,7 @@ void irq_move_irq(struct irq_data *idata) * threaded interrupt with ONESHOT set, we can end up with an * interrupt storm. */ - masked = desc->istate & IRQS_MASKED; + masked = irqd_irq_masked(idata); if (!masked) idata->chip->irq_mask(idata); irq_move_masked_irq(idata); -- cgit v1.2.2 From a6aeddd1c4e464a2150f97ca2d1c3d68cfbd9296 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 28 Mar 2011 20:28:56 +0200 Subject: genirq: Fix typo and remove unused variable Sigh, I'm overworked. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 1 - 1 file changed, 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 5e81d34b08d6..e33d9c8d5089 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -60,7 +60,6 @@ void move_masked_irq(int irq) void irq_move_irq(struct irq_data *idata) { - struct irq_desc *desc = irq_data_to_desc(idata); bool masked; if (likely(!irqd_is_setaffinity_pending(idata))) -- cgit v1.2.2 From 851d7cf647e0d31668eb5dc496f7698a2f6136b4 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 29 Mar 2011 02:51:13 +0200 Subject: genirq: Remove move_*irq leftovers All users converted to new interface. Signed-off-by: Thomas Gleixner --- kernel/irq/migration.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index e33d9c8d5089..bc6194698dfd 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -53,11 +53,6 @@ void irq_move_masked_irq(struct irq_data *idata) cpumask_clear(desc->pending_mask); } -void move_masked_irq(int irq) -{ - irq_move_masked_irq(irq_get_irq_data(irq)); -} - void irq_move_irq(struct irq_data *idata) { bool masked; @@ -80,8 +75,3 @@ void irq_move_irq(struct irq_data *idata) if (!masked) idata->chip->irq_unmask(idata); } - -void move_native_irq(int irq) -{ - irq_move_irq(irq_get_irq_data(irq)); -} -- cgit v1.2.2 From 25985edcedea6396277003854657b5f3cb31a628 Mon Sep 17 00:00:00 2001 From: Lucas De Marchi Date: Wed, 30 Mar 2011 22:57:33 -0300 Subject: Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi --- kernel/irq/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/irq/migration.c') diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index bc6194698dfd..47420908fba0 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -35,7 +35,7 @@ void irq_move_masked_irq(struct irq_data *idata) * do the disable, re-program, enable sequence. * This is *not* particularly important for level triggered * but in a edge trigger case, we might be setting rte - * when an active trigger is comming in. This could + * when an active trigger is coming in. This could * cause some ioapics to mal-function. * Being paranoid i guess! * -- cgit v1.2.2