linux-kernel - Re: [PATCH v6 00/16] dma-mapping: migrate to physical address-based API

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Message-ID: <aNMgm33W7gh75h3t@kbusch-mbp>
Date: Tue, 23 Sep 2025 16:35:07 -0600
From: Keith Busch <kbusch@...nel.org>
To: Jason Gunthorpe <jgg@...dia.com>
Cc: Leon Romanovsky <leon@...nel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Abdiel Janulgue <abdiel.janulgue@...il.com>,
	Alexander Potapenko <glider@...gle.com>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@....de>, Danilo Krummrich <dakr@...nel.org>,
	David Hildenbrand <david@...hat.com>, iommu@...ts.linux.dev,
	Jason Wang <jasowang@...hat.com>, Jens Axboe <axboe@...nel.dk>,
	Joerg Roedel <joro@...tes.org>, Jonathan Corbet <corbet@....net>,
	Juergen Gross <jgross@...e.com>, kasan-dev@...glegroups.com,
	linux-block@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-nvme@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
	linux-trace-kernel@...r.kernel.org,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Robin Murphy <robin.murphy@....com>, rust-for-linux@...r.kernel.org,
	Sagi Grimberg <sagi@...mberg.me>,
	Stefano Stabellini <sstabellini@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	virtualization@...ts.linux.dev, Will Deacon <will@...nel.org>,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v6 00/16] dma-mapping: migrate to physical address-based
 API

On Tue, Sep 23, 2025 at 07:22:16PM -0300, Jason Gunthorpe wrote:
> Very rare is a different perspective, I mis-thought it was happening
> reproducible all the time..

Yes, sorry for the false alarm. I think we got unlucky and hit it on one
of the first boots from testing linux-next, so knee-jerk reaction was to
suspect the new code that showed up in the stack.