Re: [PATCH] cxl/region: Restore passthrough decoder enable on region re-assembly

From: Gregory Price

Date: Wed Aug 05 2026 - 02:56:37 EST


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