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| author | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:34 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:34 -0700 |
| commit | 46a3b1125308f8f90a065eeecfafd2a96b01a36c (patch) | |
| tree | 6e080118fbad5aa217d160cedf02f10108ce3bf2 /drivers/hv/vmbus_drv.c | |
| parent | 6edda04ccc7cfb281d139e352dbd5dd933bd2751 (diff) | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
Merge branch 'master' into mm-stable
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 714d549b7b46..547ae334e5cd 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -21,6 +21,7 @@ #include <linux/kernel_stat.h> #include <linux/clockchips.h> #include <linux/cpu.h> +#include <linux/sched/isolation.h> #include <linux/sched/task_stack.h> #include <linux/delay.h> @@ -1770,6 +1771,9 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel, if (target_cpu >= nr_cpumask_bits) return -EINVAL; + if (!cpumask_test_cpu(target_cpu, housekeeping_cpumask(HK_TYPE_MANAGED_IRQ))) + return -EINVAL; + /* No CPUs should come up or down during this. */ cpus_read_lock(); |