From: Christoph Hellwig <hch@lst.de>
To: Baoquan He <bhe@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org
Subject: Re: [PATCH v2] sr: don't use GFP_DMA
Date: Thu, 23 Dec 2021 10:01:37 +0100 [thread overview]
Message-ID: <20211223090137.GB7555@lst.de> (raw)
In-Reply-To: <20211222104046.GB23698@MiWiFi-R3L-srv>
On Wed, Dec 22, 2021 at 06:40:46PM +0800, Baoquan He wrote:
> Any thought or plan for those callsites in other places? Possibly we can
> skip those s390 related drivers since s390 only has DMA zone, no DMA32,
> it should be OK.
Yes, this needs a bit of an audit. A lot of them might be best handled
by the subsysem maintainers, e.g. for crypto media and sound.
> And could you please also add me to CC when send out these patches? We
> have this problem in our RHEL8 which is based on kernel4.18, if finally
> removing dma-kmalloc(), we need back port these driver fixes too. If
> not paying attention, these patches may scatter in different
> sub-components and unnoticable.
I already sent them out yesterday. Just look for everything with
GFP_DMA in the subject line in the current scsi tree for 5.17.
next prev parent reply other threads:[~2021-12-23 9:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-22 9:08 [PATCH v2] sr: don't use GFP_DMA Christoph Hellwig
2021-12-22 9:37 ` Baoquan He
2021-12-22 9:42 ` Christoph Hellwig
2021-12-22 10:40 ` Baoquan He
2021-12-23 9:01 ` Christoph Hellwig [this message]
2021-12-23 9:16 ` Baoquan He
2021-12-23 4:45 ` Martin K. Petersen
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