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From: Robert Richter <rrichter@amd.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: linux-cxl@vger.kernel.org, dave@stgolabs.net,
	jonathan.cameron@huawei.com, alison.schofield@intel.com,
	vishal.l.verma@intel.com, ira.weiny@intel.com,
	dan.j.williams@intel.com, Gregory Price <gourry@gourry.net>,
	Li Ming <ming.li@zohomail.com>
Subject: Re: [PATCH v7 01/10] cxl/region: Add decoder check to check_commit_order()
Date: Mon, 21 Jul 2025 13:33:49 +0200	[thread overview]
Message-ID: <aH4lnVnF4nuIoIng@rric.localdomain> (raw)
In-Reply-To: <20250714223527.461147-2-dave.jiang@intel.com>

On 14.07.25 15:35:18, Dave Jiang wrote:
> check_commit_order() attempts to convert a device to a decoder without
> making sure the device is a decoder. So far this has been working due
> to pure luck. Issue discovered while doing deferred dport probing when
> child ports are now in the midst of decoders due to ordering change
> of child port additions. Add a check before attempting to do decoder
> conversion.
> 
> Reviewed-by: Gregory Price <gourry@gourry.net>
> Reviewed-by: Li Ming <ming.li@zohomail.com>
> Reviewed-by: Alison Schofield <alison.schofield@intel.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Reviewed-by: Robert Richter <rrichter@amd.com>

> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> ---
>  drivers/cxl/core/region.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

  reply	other threads:[~2025-07-21 11:33 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-14 22:35 [PATCH v7 00/10] cxl: Delay HB port and switch dport probing until endpoint dev probe Dave Jiang
2025-07-14 22:35 ` [PATCH v7 01/10] cxl/region: Add decoder check to check_commit_order() Dave Jiang
2025-07-21 11:33   ` Robert Richter [this message]
2025-07-21 20:18   ` dan.j.williams
2025-07-21 22:12     ` dan.j.williams
2025-07-21 23:18       ` Dave Jiang
2025-07-14 22:35 ` [PATCH v7 02/10] cxl: Add helper to detect top of CXL device topology Dave Jiang
2025-07-16  1:58   ` Alison Schofield
2025-07-21 20:23   ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 03/10] cxl: Add helper to reap dport Dave Jiang
2025-07-16  1:59   ` Alison Schofield
2025-07-21 20:24   ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 04/10] cxl: Defer dport allocation for switch ports Dave Jiang
2025-07-15  1:38   ` Li Ming
2025-07-16  2:00   ` Alison Schofield
2025-07-21 23:14   ` Robert Richter
2025-07-22 15:47     ` Dave Jiang
2025-07-22 15:50   ` dan.j.williams
2025-08-12 18:11     ` Dave Jiang
2025-07-14 22:35 ` [PATCH v7 05/10] cxl/test: Add cxl_test support for cxl_port_update_total_ports() Dave Jiang
2025-07-16  2:03   ` Alison Schofield
2025-07-22 16:24   ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 06/10] cxl/test: Add mock version of devm_cxl_add_dport_by_dev() Dave Jiang
2025-07-16  2:04   ` Alison Schofield
2025-07-22 17:06   ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 07/10] cxl: Change sslbis handler to only handle single dport Dave Jiang
2025-07-16  2:05   ` Alison Schofield
2025-07-21 23:18   ` Robert Richter
2025-07-21 23:25     ` Dave Jiang
2025-07-22 17:12   ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 08/10] cxl: Create an xarray to tie a host bridge to the cxl_root Dave Jiang
2025-07-16  2:06   ` Alison Schofield
2025-07-14 22:35 ` [PATCH v7 09/10] cxl: Move enumeration of hostbridge ports to the memdev probe path Dave Jiang
2025-07-16  2:07   ` Alison Schofield
2025-07-22 18:31   ` dan.j.williams
2025-07-22 19:07     ` Dave Jiang
2025-07-22 19:28       ` dan.j.williams
2025-07-14 22:35 ` [PATCH v7 10/10] cxl: Remove devm_cxl_port_enumerate_dports() that is no longer used Dave Jiang
2025-07-16  2:09   ` Alison Schofield
2025-07-22 18:32   ` dan.j.williams

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