linux-hardening - Re: (subset) [PATCH v9 0/8] nvme-fc: FPIN link integrity handling

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Message-ID: <175613417235.1984137.13827666752970522478.b4-ty@oracle.com>
Date: Mon, 25 Aug 2025 22:33:53 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: linux-nvme@...ts.infradead.org, kbusch@...nel.org, hch@....de,
        sagi@...mberg.me, axboe@...nel.dk, Bryan Gurney <bgurney@...hat.com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        james.smart@...adcom.com, njavali@...vell.com,
        linux-scsi@...r.kernel.org, hare@...e.de,
        linux-hardening@...r.kernel.org, kees@...nel.org,
        gustavoars@...nel.org, jmeneghi@...hat.com, emilne@...hat.com
Subject: Re: (subset) [PATCH v9 0/8] nvme-fc: FPIN link integrity handling

On Wed, 13 Aug 2025 16:07:35 -0400, Bryan Gurney wrote:

> FPIN LI (link integrity) messages are received when the attached
> fabric detects hardware errors. In response to these messages I/O
> should be directed away from the affected ports, and only used
> if the 'optimized' paths are unavailable.
> Upon port reset the paths should be put back in service as the
> affected hardware might have been replaced.
> This patch adds a new controller flag 'NVME_CTRL_MARGINAL'
> which will be checked during multipath path selection, causing the
> path to be skipped when checking for 'optimized' paths. If no
> optimized paths are available the 'marginal' paths are considered
> for path selection alongside the 'non-optimized' paths.
> It also introduces a new nvme-fc callback 'nvme_fc_fpin_rcv()' to
> evaluate the FPIN LI TLV payload and set the 'marginal' state on
> all affected rports.
> 
> [...]

Applied to 6.18/scsi-queue, thanks!

[9/9] scsi: qla2xxx: Fix memcpy field-spanning write issue
      https://git.kernel.org/mkp/scsi/c/6f4b10226b6b

-- 
Martin K. Petersen