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genirq: remove the is_affinity_mask_valid hook

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

Signed-off-by: Christoph Hellwig <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Christoph Hellwig 2019-08-13 09:25:14 +02:00 • committed by Tony Luck
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;
}
#ifndef is_affinity_mask_valid
#define is_affinity_mask_valid(val) 1
#endif
int no_irq_affinity;
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)
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
* way to make the system unusable accidentally :-) At least
@ -232,11 +223,6 @@ static ssize_t default_affinity_write(struct file *file,
if (err)
goto out;
if (!is_affinity_mask_valid(new_value)) {
err = -EINVAL;
goto out;
}
/*
* Do not allow disabling IRQs completely - it's a too easy
* way to make the system unusable accidentally :-) At least