Displaying 8 results from an estimated 8 matches for "blk_mq_hctx_notify_dead".
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
On 11/21/2017 11:12 AM, Christian Borntraeger wrote:
>
>
> On 11/21/2017 07:09 PM, Jens Axboe wrote:
>> On 11/21/2017 10:27 AM, Jens Axboe wrote:
>>> On 11/21/2017 03:14 AM, Christian Borntraeger wrote:
>>>> Bisect points to
>>>>
>>>> 1b5a7455d345b223d3a4658a9e5fce985b7998c1 is the first bad commit
>>>> commit
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
On 11/21/2017 11:12 AM, Christian Borntraeger wrote:
>
>
> On 11/21/2017 07:09 PM, Jens Axboe wrote:
>> On 11/21/2017 10:27 AM, Jens Axboe wrote:
>>> On 11/21/2017 03:14 AM, Christian Borntraeger wrote:
>>>> Bisect points to
>>>>
>>>> 1b5a7455d345b223d3a4658a9e5fce985b7998c1 is the first bad commit
>>>> commit
2017 Nov 21
0
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
...hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp);
+ blk_mq_map_swqueue(hctx->queue);
+ return 0;
+}
+
/*
* 'cpu' is going away. splice any existing rq_list entries from this
* software queue to the hw queue dispatch list, and ensure that it
@@ -1958,7 +1970,7 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
struct blk_mq_ctx *ctx;
LIST_HEAD(tmp);
- hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp_dead);
+ hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp);
ctx = __blk_mq_get_ctx(hctx->queue, cpu);
spin_lock(&ctx->lock);...
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
..._mq_hw_ctx, cpuhp);
> + blk_mq_map_swqueue(hctx->queue);
> + return 0;
> +}
> +
> /*
> * 'cpu' is going away. splice any existing rq_list entries from this
> * software queue to the hw queue dispatch list, and ensure that it
> @@ -1958,7 +1970,7 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
> struct blk_mq_ctx *ctx;
> LIST_HEAD(tmp);
>
> - hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp_dead);
> + hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp);
> ctx = __blk_mq_get_ctx(hctx->queue, cpu);
>...
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
..._mq_hw_ctx, cpuhp);
> + blk_mq_map_swqueue(hctx->queue);
> + return 0;
> +}
> +
> /*
> * 'cpu' is going away. splice any existing rq_list entries from this
> * software queue to the hw queue dispatch list, and ensure that it
> @@ -1958,7 +1970,7 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
> struct blk_mq_ctx *ctx;
> LIST_HEAD(tmp);
>
> - hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp_dead);
> + hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp);
> ctx = __blk_mq_get_ctx(hctx->queue, cpu);
>...
2017 Nov 21
0
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
...mutex_lock(&all_q_mutex);
+}
+
+void blk_mq_enable_hotplug(void)
+{
+ mutex_unlock(&all_q_mutex);
+}
+
static int __init blk_mq_init(void)
{
/*
@@ -2976,6 +3070,10 @@ static int __init blk_mq_init(void)
cpuhp_setup_state_multi(CPUHP_BLK_MQ_DEAD, "block/mq:dead", NULL,
blk_mq_hctx_notify_dead);
+
+ cpuhp_setup_state_nocalls(CPUHP_BLK_MQ_PREPARE, "block/mq:prepare",
+ blk_mq_queue_reinit_prepare,
+ blk_mq_queue_reinit_dead);
return 0;
}
subsys_initcall(blk_mq_init);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 6c7c3ff5bf62..83b13ef1915e 100644
--- a/block/bl...
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
..._hotplug(void)
> +{
> + mutex_unlock(&all_q_mutex);
> +}
> +
> static int __init blk_mq_init(void)
> {
> /*
> @@ -2976,6 +3070,10 @@ static int __init blk_mq_init(void)
>
> cpuhp_setup_state_multi(CPUHP_BLK_MQ_DEAD, "block/mq:dead", NULL,
> blk_mq_hctx_notify_dead);
> +
> + cpuhp_setup_state_nocalls(CPUHP_BLK_MQ_PREPARE, "block/mq:prepare",
> + blk_mq_queue_reinit_prepare,
> + blk_mq_queue_reinit_dead);
> return 0;
> }
> subsys_initcall(blk_mq_init);
> diff --git a/block/blk-mq.h b/block/blk-mq.h
> index 6c7...
2017 Nov 21
2
4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
..._hotplug(void)
> +{
> + mutex_unlock(&all_q_mutex);
> +}
> +
> static int __init blk_mq_init(void)
> {
> /*
> @@ -2976,6 +3070,10 @@ static int __init blk_mq_init(void)
>
> cpuhp_setup_state_multi(CPUHP_BLK_MQ_DEAD, "block/mq:dead", NULL,
> blk_mq_hctx_notify_dead);
> +
> + cpuhp_setup_state_nocalls(CPUHP_BLK_MQ_PREPARE, "block/mq:prepare",
> + blk_mq_queue_reinit_prepare,
> + blk_mq_queue_reinit_dead);
> return 0;
> }
> subsys_initcall(blk_mq_init);
> diff --git a/block/blk-mq.h b/block/blk-mq.h
> index 6c7...