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From: Gregory Price <gourry@gourry.net>
To: Richard Cheng <icheng@nvidia.com>
Cc: Dave Jiang <dave.jiang@intel.com>,
	dave@stgolabs.net, jic23@kernel.org,  alison.schofield@intel.com,
	vishal.l.verma@intel.com, djbw@kernel.org, iweiny@kernel.org,
	 ming.li@zohomail.com, rrichter@amd.com,
	linux-cxl@vger.kernel.org,  linux-kernel@vger.kernel.org,
	sreddym@nvidia.com, smadhavan@nvidia.com, kaihengf@nvidia.com,
	 kobak@nvidia.com, newtonl@nvidia.com, kristinc@nvidia.com,
	mochs@nvidia.com
Subject: Re: [PATCH] cxl/region: Restore passthrough decoder enable on region re-assembly
Date: Wed, 5 Aug 2026 02:55:10 -0400	[thread overview]
Message-ID: <anLd5Ln3VvDtE0Yf@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <anLVILs6MNR2lx5i@MWDK4CY14F>

On Wed, Aug 05, 2026 at 02:21:05PM +0800, Richard Cheng wrote:
> On Tue, Jul 28, 2026 at 07:25:09AM +0800, Dave Jiang wrote:
> 
> So I re-tested those operations on v7.0-rc2 kernel without the patch, we find out
> 
> 0a70b7cd397e ("cxl: Test CXL_DECODER_F_LOCK as a bitmask")
> 
> This patch is not needed, and Gregory is right that intermediate decoders should stay locked and
> not have F_ENABLE cleared on teardown.
> 

Makes sense to me, it will look a little funky but auto decoders already
got that funk all over them so it is what it is.  :]

~Gregory

      reply	other threads:[~2026-08-05  6:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-27 10:37 [PATCH] cxl/region: Restore passthrough decoder enable on region re-assembly Richard Cheng
2026-07-27 20:25 ` Dave Jiang
2026-07-28  3:03   ` Richard Cheng
2026-07-28  4:14     ` Gregory Price
2026-07-31  9:13       ` Richard Cheng
2026-07-28 14:25     ` Dave Jiang
2026-08-05  6:21       ` Richard Cheng
2026-08-05  6:55         ` Gregory Price [this message]

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