diff options
| author | Samuel Holland <samuel@sholland.org> | 2022-07-01 15:00:54 -0500 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-07-07 09:38:04 +0100 |
| commit | 073352e951f60946452da358d64841066c3142ff (patch) | |
| tree | 3cecbf9913ae1ccb5aa3593bd00f599a467b4a4b /arch/ia64/kernel/irq.c | |
| parent | 961343d7822624d0e329ab4167c7e1d02bb53112 (diff) | |
genirq: Add and use an irq_data_update_affinity helper
Some architectures and irqchip drivers modify the cpumask returned by
irq_data_get_affinity_mask, usually by copying in to it. This is
problematic for uniprocessor configurations, where the affinity mask
should be constant, as it is known at compile time.
Add and use a setter for the affinity mask, following the pattern of
irq_data_update_effective_affinity. This allows the getter function to
return a const cpumask pointer.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Xen bits
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220701200056.46555-7-samuel@sholland.org
Diffstat (limited to 'arch/ia64/kernel/irq.c')
| -rw-r--r-- | arch/ia64/kernel/irq.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index ecef17c7c35b..275b9ea58c64 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -57,8 +57,8 @@ static char irq_redir [NR_IRQS]; // = { [0 ... NR_IRQS-1] = 1 }; void set_irq_affinity_info (unsigned int irq, int hwid, int redir) { if (irq < NR_IRQS) { - cpumask_copy(irq_get_affinity_mask(irq), - cpumask_of(cpu_logical_id(hwid))); + irq_data_update_affinity(irq_get_irq_data(irq), + cpumask_of(cpu_logical_id(hwid))); irq_redir[irq] = (char) (redir & 0xff); } } |