diff options
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 0f2d6a60f769..946d0aba101f 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -23,7 +23,6 @@ #include <linux/cpu.h> #include <linux/sched/task_stack.h> -#include <asm/mshyperv.h> #include <linux/delay.h> #include <linux/notifier.h> #include <linux/ptrace.h> @@ -231,7 +230,7 @@ static ssize_t numa_node_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; - return sprintf(buf, "%d\n", hv_dev->channel->numa_node); + return sprintf(buf, "%d\n", cpu_to_node(hv_dev->channel->target_cpu)); } static DEVICE_ATTR_RO(numa_node); #endif @@ -512,18 +511,17 @@ static ssize_t channel_vp_mapping_show(struct device *dev, { struct hv_device *hv_dev = device_to_hv_device(dev); struct vmbus_channel *channel = hv_dev->channel, *cur_sc; - unsigned long flags; int buf_size = PAGE_SIZE, n_written, tot_written; struct list_head *cur; if (!channel) return -ENODEV; + mutex_lock(&vmbus_connection.channel_mutex); + tot_written = snprintf(buf, buf_size, "%u:%u\n", channel->offermsg.child_relid, channel->target_cpu); - spin_lock_irqsave(&channel->lock, flags); - list_for_each(cur, &channel->sc_list) { if (tot_written >= buf_size - 1) break; @@ -537,7 +535,7 @@ static ssize_t channel_vp_mapping_show(struct device *dev, tot_written += n_written; } - spin_unlock_irqrestore(&channel->lock, flags); + mutex_unlock(&vmbus_connection.channel_mutex); return tot_written; } @@ -1721,7 +1719,7 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel, /* No CPUs should come up or down during this. */ cpus_read_lock(); - if (!cpumask_test_cpu(target_cpu, cpu_online_mask)) { + if (!cpu_online(target_cpu)) { cpus_read_unlock(); return -EINVAL; } @@ -1783,8 +1781,6 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel, */ channel->target_cpu = target_cpu; - channel->target_vp = hv_cpu_number_to_vp_number(target_cpu); - channel->numa_node = cpu_to_node(target_cpu); /* See init_vp_index(). */ if (hv_is_perf_channel(channel)) @@ -2351,7 +2347,6 @@ acpi_walk_err: static int vmbus_bus_suspend(struct device *dev) { struct vmbus_channel *channel, *sc; - unsigned long flags; while (atomic_read(&vmbus_connection.offer_in_progress) != 0) { /* @@ -2412,12 +2407,10 @@ static int vmbus_bus_suspend(struct device *dev) continue; } - spin_lock_irqsave(&channel->lock, flags); list_for_each_entry(sc, &channel->sc_list, sc_list) { pr_err("Sub-channel not deleted!\n"); WARN_ON_ONCE(1); } - spin_unlock_irqrestore(&channel->lock, flags); atomic_inc(&vmbus_connection.nr_chan_fixup_on_resume); } |