From: Christoph Hellwig <hch@infradead.org>
To: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
Cc: Christoph Hellwig <hch@infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: dma api errors with swiotlb
Date: Wed, 4 Sep 2019 05:17:22 -0700 [thread overview]
Message-ID: <20190904121722.GA15601@infradead.org> (raw)
In-Reply-To: <e3c4b2e1-7518-ab0e-a6ce-3fae9903dac0@shipmail.org>
A call to dma_max_mapping_size() to limit the maximum I/O size solves
that problem. With the latest kernel that should actually be done
automatically by the SCSI midlayer for you.
next prev parent reply other threads:[~2019-09-04 12:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-04 7:59 dma api errors with swiotlb Thomas Hellström (VMware)
2019-09-04 12:17 ` Christoph Hellwig [this message]
2019-09-04 12:54 ` Thomas Hellström (VMware)
2019-09-04 12:55 ` Christoph Hellwig
2019-09-04 13:02 ` Thomas Hellström (VMware)
2019-09-04 13:16 ` Christoph Hellwig
2019-09-04 13:21 ` Thomas Hellström (VMware)
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