From: Bjorn Helgaas <helgaas@kernel.org>
To: Ben Cheatham <Benjamin.Cheatham@amd.com>
Cc: linux-cxl@vger.kernel.org, linux-pci@vger.kernel.org,
dave@stgolabs.net, jonathan.cameron@huawei.com,
dave.jiang@intel.com, alison.schofield@intel.com,
vishal.l.verma@intel.com, ira.weiny@intel.com,
dan.j.williams@intel.com, bhelgaas@google.com
Subject: Re: [RFC PATCH 6/6] pcie/cxl_timeout: Add CXL.mem Timeout & Isolation interrupt support
Date: Thu, 15 Feb 2024 15:57:35 -0600 [thread overview]
Message-ID: <20240215215735.GA1311372@bhelgaas> (raw)
In-Reply-To: <20240215194048.141411-7-Benjamin.Cheatham@amd.com>
On Thu, Feb 15, 2024 at 01:40:48PM -0600, Ben Cheatham wrote:
> Add support for CXL.mem Timeout & Isolation interrupts. A CXL root port
> under isolation will not complete writes and will return an exception
> response (i.e. poison) on reads (CXL 3.0 12.3.2). Therefore, when a
> CXL-enabled PCIe root port enters isolation, we assume that the memory
> under the port is unreachable and will need to be unmapped.
> --- a/drivers/pci/pcie/portdrv.h
> +++ b/drivers/pci/pcie/portdrv.h
> @@ -10,6 +10,7 @@
> #define _PORTDRV_H_
>
> #include <linux/compiler.h>
> +#include <linux/errno.h>
This doesn't look required by portdrv.h. If it's only needed by
something that *includes* portdrv.h, I think errno.h should be
included by that .c file instead.
next prev parent reply other threads:[~2024-02-15 21:57 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-15 19:40 [RFC PATCH 0/6] Implement initial CXL Timeout & Isolation support Ben Cheatham
2024-02-15 19:40 ` [RFC PATCH 1/6] cxl/core: Add CXL Timeout & Isolation capability parsing Ben Cheatham
2024-02-15 19:40 ` [RFC PATCH 2/6] pcie/cxl_timeout: Add CXL Timeout & Isolation service driver Ben Cheatham
2024-02-15 21:13 ` Bjorn Helgaas
2024-02-15 22:21 ` Ben Cheatham
2024-02-15 22:26 ` Bjorn Helgaas
2024-02-15 19:40 ` [RFC PATCH 3/6] pcie/cxl_timeout: Add CXL.mem timeout range programming Ben Cheatham
2024-02-15 21:35 ` Bjorn Helgaas
2024-02-15 22:21 ` Ben Cheatham
2024-02-15 22:29 ` Bjorn Helgaas
2024-02-15 22:30 ` Ben Cheatham
2024-02-15 19:40 ` [RFC PATCH 4/6] pcie/cxl_timeout: Add CXL.mem error isolation support Ben Cheatham
2024-02-15 21:49 ` Bjorn Helgaas
2024-02-15 22:21 ` Ben Cheatham
2024-02-15 19:40 ` [RFC PATCH 5/6] pcie/portdrv: Add CXL MSI/-X allocation Ben Cheatham
2024-02-15 21:51 ` Bjorn Helgaas
2024-02-15 22:22 ` Ben Cheatham
2024-02-15 19:40 ` [RFC PATCH 6/6] pcie/cxl_timeout: Add CXL.mem Timeout & Isolation interrupt support Ben Cheatham
2024-02-15 21:57 ` Bjorn Helgaas [this message]
2024-02-15 22:22 ` Ben Cheatham
2024-02-15 23:43 ` [RFC PATCH 0/6] Implement initial CXL Timeout & Isolation support Dan Williams
2024-03-25 15:15 ` Ben Cheatham
2024-03-25 15:54 ` Dan Williams
2024-04-01 19:41 ` Ben Cheatham
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