From: Sagi Grimberg <sagi@grimberg.me>
To: Christoph Hellwig <hch@lst.de>
Cc: marcan@marcan.st, sven@svenpeter.dev, kbusch@kernel.org,
axboe@kernel.dk, james.smart@broadcom.com, alyssa@rosenzweig.io,
asahi@lists.linux.dev, linux-nvme@lists.infradead.org,
kch@nvidia.com
Subject: Re: [PATCH] nvme: don't set a virt_boundary unless needed
Date: Mon, 25 Dec 2023 11:13:11 +0200 [thread overview]
Message-ID: <7100b7dc-25fd-4b4b-a30e-81237208961a@grimberg.me> (raw)
In-Reply-To: <20231221124034.GA21682@lst.de>
>> Exactly because its odd. Unless there is any benefit of using sgls in
>> admin commands lets not flag it per transport.
>
> The other transports always and unconditionally use SGLs anyway. With
> the virt boundary we're just adding extra checks to fail certain
> passthrough admin commands (the kernel will never generate those cases).
I just don't see the point of adding a per-transport flag. Either we
always enforce admin queue virt_boundary in the core because its not
important enough, or we always allow sgls and have pci set this flag
locally (given that only it has this quirk).
next prev parent reply other threads:[~2023-12-25 9:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 8:48 [PATCH] nvme: don't set a virt_boundary unless needed Christoph Hellwig
2023-12-21 9:30 ` Sagi Grimberg
2023-12-21 12:17 ` Christoph Hellwig
2023-12-21 12:32 ` Sagi Grimberg
2023-12-21 12:40 ` Christoph Hellwig
2023-12-25 9:13 ` Sagi Grimberg [this message]
2023-12-21 17:03 ` Keith Busch
2023-12-25 9:20 ` Sagi Grimberg
2023-12-22 1:16 ` Max Gurtovoy
2023-12-25 10:08 ` Sagi Grimberg
2023-12-25 10:36 ` Max Gurtovoy
2023-12-25 10:44 ` Sagi Grimberg
2023-12-25 12:31 ` Max Gurtovoy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=7100b7dc-25fd-4b4b-a30e-81237208961a@grimberg.me \
--to=sagi@grimberg.me \
--cc=alyssa@rosenzweig.io \
--cc=asahi@lists.linux.dev \
--cc=axboe@kernel.dk \
--cc=hch@lst.de \
--cc=james.smart@broadcom.com \
--cc=kbusch@kernel.org \
--cc=kch@nvidia.com \
--cc=linux-nvme@lists.infradead.org \
--cc=marcan@marcan.st \
--cc=sven@svenpeter.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox