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genirq: remove the is_affinity_mask_valid hook

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This override was only used by the ia64 SGI SN2 platform, which is
gone now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-29-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Christoph Hellwig 2019-08-13 09:25:14 +02:00 committed by Tony Luck
parent 6c13bb1d58
commit 0d3d343560
1 changed files with 0 additions and 14 deletions
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14
kernel/irq/proc.c
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@ -100,10 +100,6 @@ static int irq_affinity_hint_proc_show(struct seq_file *m, void *v)
return 0; return 0;
} }
#ifndef is_affinity_mask_valid
#define is_affinity_mask_valid(val) 1
#endif
int no_irq_affinity; int no_irq_affinity;
static int irq_affinity_proc_show(struct seq_file *m, void *v) static int irq_affinity_proc_show(struct seq_file *m, void *v)
{ {
@ -136,11 +132,6 @@ static ssize_t write_irq_affinity(int type, struct file *file,
if (err) if (err)
goto free_cpumask; goto free_cpumask;
if (!is_affinity_mask_valid(new_value)) {
err = -EINVAL;
goto free_cpumask;
}
/* /*
* Do not allow disabling IRQs completely - it's a too easy * Do not allow disabling IRQs completely - it's a too easy
* way to make the system unusable accidentally :-) At least * way to make the system unusable accidentally :-) At least
@ -232,11 +223,6 @@ static ssize_t default_affinity_write(struct file *file,
if (err) if (err)
goto out; goto out;
if (!is_affinity_mask_valid(new_value)) {
err = -EINVAL;
goto out;
}
/* /*
* Do not allow disabling IRQs completely - it's a too easy * Do not allow disabling IRQs completely - it's a too easy
* way to make the system unusable accidentally :-) At least * way to make the system unusable accidentally :-) At least