Re: [PATCH v7 1/1] block/blk-mq: use atomic_t for quiesce_depth to avoid lock contention on RT
Bart Van Assche <[email protected]> Tue, 12 May 2026 10:37:32 -0700
| Newsgroups | org.kernel.vger.linux-rt-users,dev.linux.lists.linux-rt-devel,org.kernel.vger.linux-block,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
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| Message-ID | <[email protected]> |
On 5/11/26 11:28 PM, Ionut Nechita (Wind River) wrote: > Performance on the RT kernel and the hardware above: > - Before: 153 MB/s, IRQ threads in D-state on q->queue_lock > - After: 640 MB/s, no IRQ threads blocked Reviewed-by: Bart Van Assche <[email protected]>