Re: [LSF/MM/BPF TOPIC] block drivers in user space

To: Sagi Grimberg <sagi@xxxxxxxxxxx>
Subject: Re: [LSF/MM/BPF TOPIC] block drivers in user space
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 15 Mar 2022 01:12:26 -0700
Cc: Hannes Reinecke <hare@xxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>, Mike Christie <michael.christie@xxxxxxxxxx>, Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>, lsf-pc@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <d2950977-9930-1e80-a46d-8311935e8da4@grimberg.me>
References: <87tucsf0sr.fsf@collabora.com> <986caf55-65d1-0755-383b-73834ec04967@suse.de> <b6bb4435-d83c-b129-c761-00a74e7e0739@grimberg.me> <87bkyyg4jc.fsf@collabora.com> <e0a6ca51-8202-0b61-dd50-349e6f27761b@grimberg.me> <45caea9d-53d0-6f06-bb98-9174a08972d4@oracle.com> <6d831f69-06f4-fafe-ce17-13596e6f3f6d@grimberg.me> <0b85385b-e8cf-2ab3-ce22-c63d4346cc16@acm.org> <c618c809-4ec0-69f9-0cab-87149ad6b45a@suse.de> <d2950977-9930-1e80-a46d-8311935e8da4@grimberg.me>

FYI, I have absolutely no interest in supporting any userspace hooks
in nvmet.  If you want a userspace nvme implementation please use SPDK.

Follow-Ups:
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Sagi Grimberg

References:
- [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Gabriel Krisman Bertazi
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Hannes Reinecke
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Sagi Grimberg
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Gabriel Krisman Bertazi
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Sagi Grimberg
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Mike Christie
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Sagi Grimberg
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Bart Van Assche
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Hannes Reinecke
- Re: [LSF/MM/BPF TOPIC] block drivers in user space
  - From: Sagi Grimberg