search for: blk_mq_map_swqueue

...--- a/block/blk-mq.c > +++ b/block/blk-mq.c > @@ -40,6 +40,7 @@ > static bool blk_mq_poll(struct request_queue *q, blk_qc_t cookie); > static void blk_mq_poll_stats_start(struct request_queue *q); > static void blk_mq_poll_stats_fn(struct blk_stat_callback *cb); > +static void blk_mq_map_swqueue(struct request_queue *q); > > static int blk_mq_poll_stats_bkt(const struct request *rq) > { > @@ -1947,6 +1950,15 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags, > return -ENOMEM; > } > > +static int blk_mq_hctx_notify_prepare(unsigned i...

...--- a/block/blk-mq.c > +++ b/block/blk-mq.c > @@ -40,6 +40,7 @@ > static bool blk_mq_poll(struct request_queue *q, blk_qc_t cookie); > static void blk_mq_poll_stats_start(struct request_queue *q); > static void blk_mq_poll_stats_fn(struct blk_stat_callback *cb); > +static void blk_mq_map_swqueue(struct request_queue *q); > > static int blk_mq_poll_stats_bkt(const struct request *rq) > { > @@ -1947,6 +1950,15 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags, > return -ENOMEM; > } > > +static int blk_mq_hctx_notify_prepare(unsigned i...

...ed to first hctx */ - if (!cpu_present(i)) + /* If the cpu isn't online, the cpu is mapped to first hctx */ + if (!cpu_online(i)) continue; hctx = blk_mq_map_queue(q, i); @@ -2158,7 +2161,8 @@ static void blk_mq_free_map_and_requests(struct blk_mq_tag_set *set, } } -static void blk_mq_map_swqueue(struct request_queue *q) +static void blk_mq_map_swqueue(struct request_queue *q, + const struct cpumask *online_mask) { unsigned int i, hctx_idx; struct blk_mq_hw_ctx *hctx; @@ -2176,11 +2180,13 @@ static void blk_mq_map_swqueue(struct request_queue *q) } /* - * Map software t...

...+ /* If the cpu isn't online, the cpu is mapped to first hctx */ > + if (!cpu_online(i)) > continue; > > hctx = blk_mq_map_queue(q, i); > @@ -2158,7 +2161,8 @@ static void blk_mq_free_map_and_requests(struct blk_mq_tag_set *set, > } > } > > -static void blk_mq_map_swqueue(struct request_queue *q) > +static void blk_mq_map_swqueue(struct request_queue *q, > + const struct cpumask *online_mask) > { > unsigned int i, hctx_idx; > struct blk_mq_hw_ctx *hctx; > @@ -2176,11 +2180,13 @@ static void blk_mq_map_swqueue(struct request_queue *q)...

...+ /* If the cpu isn't online, the cpu is mapped to first hctx */ > + if (!cpu_online(i)) > continue; > > hctx = blk_mq_map_queue(q, i); > @@ -2158,7 +2161,8 @@ static void blk_mq_free_map_and_requests(struct blk_mq_tag_set *set, > } > } > > -static void blk_mq_map_swqueue(struct request_queue *q) > +static void blk_mq_map_swqueue(struct request_queue *q, > + const struct cpumask *online_mask) > { > unsigned int i, hctx_idx; > struct blk_mq_hw_ctx *hctx; > @@ -2176,11 +2180,13 @@ static void blk_mq_map_swqueue(struct request_queue *q)...

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

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

...0463791ec..ab3a66e7bd03 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -40,6 +40,7 @@ static bool blk_mq_poll(struct request_queue *q, blk_qc_t cookie); static void blk_mq_poll_stats_start(struct request_queue *q); static void blk_mq_poll_stats_fn(struct blk_stat_callback *cb); +static void blk_mq_map_swqueue(struct request_queue *q); static int blk_mq_poll_stats_bkt(const struct request *rq) { @@ -1947,6 +1950,15 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags, return -ENOMEM; } +static int blk_mq_hctx_notify_prepare(unsigned int cpu, struct hlist_node *node) +{ +...

...fffffff81a26087>] ? rest_init+0xdb/0xdb [ 15.256158] ---[ end trace ab3e0b29cef4bda4 ]--- [ 15.265389] blk-mq: CPU -> queue map [ 15.266121] CPU 0 -> Queue 0 [ 15.272332] BUG: unable to handle kernel paging request at ffffe8ffffc00644 [ 15.272332] IP: [<ffffffff814e54a9>] blk_mq_map_swqueue+0x76/0xb2 [ 15.272332] PGD 1b58d067 PUD 1b58e067 PMD 0 [ 15.272332] Oops: 0002 [#1] SMP [ 15.272332] Modules linked in: [ 15.272332] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.12.0-rc5-02277-g25d8333 #1204 [ 15.272332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15...

...fffffff81a26087>] ? rest_init+0xdb/0xdb [ 15.256158] ---[ end trace ab3e0b29cef4bda4 ]--- [ 15.265389] blk-mq: CPU -> queue map [ 15.266121] CPU 0 -> Queue 0 [ 15.272332] BUG: unable to handle kernel paging request at ffffe8ffffc00644 [ 15.272332] IP: [<ffffffff814e54a9>] blk_mq_map_swqueue+0x76/0xb2 [ 15.272332] PGD 1b58d067 PUD 1b58e067 PMD 0 [ 15.272332] Oops: 0002 [#1] SMP [ 15.272332] Modules linked in: [ 15.272332] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.12.0-rc5-02277-g25d8333 #1204 [ 15.272332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15...