From: Christoph Hellwig <hch@infradead.org>
To: Magnus Lindholm <linmag7@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-alpha@vger.kernel.org, martin.petersen@oracle.com,
James.Bottomley@hansenpartnership.com, hch@infradead.org,
macro@orcam.me.uk
Subject: Re: [PATCH 1/1] scsi: qla1280: Make 64-bit DMA addressing a Kconfig option
Date: Tue, 29 Jul 2025 00:32:45 -0700 [thread overview]
Message-ID: <aIh5HY1nVGusQ9Yb@infradead.org> (raw)
In-Reply-To: <20250728163752.9778-2-linmag7@gmail.com>
On Mon, Jul 28, 2025 at 06:34:14PM +0200, Magnus Lindholm wrote:
> Make 64-bit DMA addressing a Kconfig option.
>
> While defaulting to 64-bit addressing, this gives the user the option
> to revert to 32-bits when necessary without messing with the kernel
> source. The Kconfig help text also points out the issues with tsunami
> based alphas with more than 2GB RAM and 32-bit PCI Qlogic SCSI
> controllers.
Compile time options like this are annoying as they require
distributions to pick a default. Why not at least a module option
even if it just a workaround?
next prev parent reply other threads:[~2025-07-29 7:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-28 16:34 [PATCH 0/1] scsi: qla1280: Make 64-bit DMA addressing a Kconfig option Magnus Lindholm
2025-07-28 16:34 ` [PATCH 1/1] " Magnus Lindholm
2025-07-29 7:32 ` Christoph Hellwig [this message]
2025-07-29 8:58 ` Magnus Lindholm
2025-07-31 9:40 ` [PATCH 0/1] " Maciej W. Rozycki
2025-08-05 8:52 ` Magnus Lindholm
2025-09-01 21:41 ` Magnus Lindholm
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