diff options
Diffstat (limited to 'debian/patches-rt/block-mq-drop-preempt-disable.patch')
| -rw-r--r-- | debian/patches-rt/block-mq-drop-preempt-disable.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/block-mq-drop-preempt-disable.patch b/debian/patches-rt/block-mq-drop-preempt-disable.patch index 401459684..0930ac9e8 100644 --- a/debian/patches-rt/block-mq-drop-preempt-disable.patch +++ b/debian/patches-rt/block-mq-drop-preempt-disable.patch @@ -1,7 +1,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Tue, 14 Jul 2015 14:26:34 +0200 Subject: block/mq: do not invoke preempt_disable() -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/older/patches-5.4.3-rt1.tar.xz preempt_disable() and get_cpu() don't play well together with the sleeping locks it tries to allocate later. @@ -14,7 +14,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/block/blk-mq.c +++ b/block/blk-mq.c -@@ -604,7 +604,7 @@ static void __blk_mq_complete_request(st +@@ -611,7 +611,7 @@ static void __blk_mq_complete_request(st return; } @@ -23,7 +23,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> if (!test_bit(QUEUE_FLAG_SAME_FORCE, &q->queue_flags)) shared = cpus_share_cache(cpu, ctx->cpu); -@@ -616,7 +616,7 @@ static void __blk_mq_complete_request(st +@@ -623,7 +623,7 @@ static void __blk_mq_complete_request(st } else { q->mq_ops->complete(rq); } @@ -32,7 +32,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> } static void hctx_unlock(struct blk_mq_hw_ctx *hctx, int srcu_idx) -@@ -1456,14 +1456,14 @@ static void __blk_mq_delay_run_hw_queue( +@@ -1466,14 +1466,14 @@ static void __blk_mq_delay_run_hw_queue( return; if (!async && !(hctx->flags & BLK_MQ_F_BLOCKING)) { |