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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-07 21:48:49 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 12:58:16 +0100 |
| commit | 009b4c3b8ad584b3462734127a5bec680d5d6af4 (patch) | |
| tree | f7cb860dde86ba96afcc085ec7a75ca2a41e49b6 /kernel/irq/spurious.c | |
| parent | 6954b75b488dd740950573f244ddd66fd28620aa (diff) | |
| download | lwn-009b4c3b8ad584b3462734127a5bec680d5d6af4.tar.gz lwn-009b4c3b8ad584b3462734127a5bec680d5d6af4.zip | |
genirq: Add IRQ_INPROGRESS to core
We need to maintain the flag for now in both fields status and istate.
Add a CONFIG_GENERIC_HARDIRQS_NO_COMPAT switch to allow testing w/o
the status one. Wrap the access to status IRQ_INPROGRESS in a inline
which can be turned of with CONFIG_GENERIC_HARDIRQS_NO_COMPAT along
with the define.
There is no reason that anything outside of core looks at this. That
needs some modifications, but we'll get there.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/spurious.c')
| -rw-r--r-- | kernel/irq/spurious.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 21c46178b1a6..51504837d8cc 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -45,10 +45,10 @@ bool irq_wait_for_poll(struct irq_desc *desc) #ifdef CONFIG_SMP do { raw_spin_unlock(&desc->lock); - while (desc->status & IRQ_INPROGRESS) + while (desc->istate & IRQS_INPROGRESS) cpu_relax(); raw_spin_lock(&desc->lock); - } while (desc->status & IRQ_INPROGRESS); + } while (desc->istate & IRQS_INPROGRESS); /* Might have been disabled in meantime */ return !(desc->status & IRQ_DISABLED) && desc->action; #else @@ -88,7 +88,7 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force) goto out; /* Already running on another processor */ - if (desc->status & IRQ_INPROGRESS) { + if (desc->istate & IRQS_INPROGRESS) { /* * Already running: If it is shared get the other * CPU to go looking for our mystery interrupt too |