Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0ff3f2c2 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
Browse files

Merge "genirq: Don't allow user space to set IRQ affinity to isolated CPUs"

parents a332d21c f087456b

kernel/irq/proc.c

+5 −0
Original line number Diff line number Diff line
@@ -114,6 +114,11 @@ static ssize_t write_irq_affinity(int type, struct file *file, 
		goto free_cpumask;

	}



	if (cpumask_subset(new_value, cpu_isolated_mask)) {

		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