From: Dan Williams <dan.j.williams@intel.com>
To: <ira.weiny@intel.com>, Dan Williams <dan.j.williams@intel.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Ira Weiny <ira.weiny@intel.com>, Lukas Wunner <lukas@wunner.de>,
"Alison Schofield" <alison.schofield@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ben Widawsky <bwidawsk@kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-cxl@vger.kernel.org>,
<linux-pci@vger.kernel.org>
Subject: RE: [PATCH V13 9/9] cxl/port: Parse out DSMAS data from CDAT table
Date: Thu, 14 Jul 2022 09:32:03 -0700 [thread overview]
Message-ID: <62d045039d44b_16fb9729443@dwillia2-xfh.jf.intel.com.notmuch> (raw)
In-Reply-To: <20220705154932.2141021-10-ira.weiny@intel.com>
ira.weiny@ wrote:
> From: Ira Weiny <ira.weiny@intel.com>
>
> CXL Ports with memory devices attached need the information from the
> Device Scoped Memory Affinity Structure (DSMAS). This information is
> contained within the CDAT table buffer which is cached in the port
> device.
>
> If CDAT data is available, parse and cache DSMAS data from the table.
> Store this data in unmarshaled struct dsmas data structures for ease of
> use later. Ensure DSMAS headers are not malicious or ill formed so as
> to cause buffer overflow errors.
>
Per patch 6 the parsing needs to move to a refactored version of the
ACPI table parsing, but for now it can just be dropped.
next prev parent reply other threads:[~2022-07-14 16:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 15:49 [PATCH V13 0/9] CXL: Read CDAT and DSMAS data ira.weiny
2022-07-05 15:49 ` [PATCH V13 1/9] PCI: Add vendor ID for the PCI SIG ira.weiny
2022-07-05 15:49 ` [PATCH V13 2/9] PCI: Replace magic constant for PCI Sig Vendor ID ira.weiny
2022-07-05 15:49 ` [PATCH V13 3/9] PCI: Create PCIe library functions in support of DOE mailboxes ira.weiny
2022-07-07 16:22 ` Bjorn Helgaas
2022-07-11 19:13 ` Ira Weiny
2022-07-11 22:27 ` [PATCH V13.1] PCI/DOE: Add DOE mailbox support functions ira.weiny
2022-07-11 22:47 ` Matthew Wilcox
2022-07-14 14:54 ` Ira Weiny
2022-07-14 3:16 ` [PATCH V13 3/9] PCI: Create PCIe library functions in support of DOE mailboxes Dan Williams
2022-07-14 14:19 ` Ira Weiny
2022-07-05 15:49 ` [PATCH V13 4/9] cxl/pci: Create PCI DOE mailbox's for memory devices ira.weiny
2022-07-14 3:30 ` Dan Williams
2022-07-14 18:50 ` Ira Weiny
2022-07-05 15:49 ` [PATCH V13 5/9] driver-core: Introduce BIN_ATTR_ADMIN_{RO,RW} ira.weiny
2022-07-05 15:49 ` [PATCH V13 6/9] cxl/port: Read CDAT table ira.weiny
2022-07-14 15:38 ` Dan Williams
2022-07-14 19:55 ` Ira Weiny
2022-07-14 20:19 ` Dan Williams
2022-07-15 1:09 ` Ira Weiny
2022-07-05 15:49 ` [PATCH V13 7/9] cxl/port: Introduce cxl_cdat_valid() ira.weiny
2022-07-14 16:05 ` Dan Williams
2022-07-05 15:49 ` [PATCH V13 8/9] cxl/port: Retry reading CDAT on failure ira.weiny
2022-07-14 16:27 ` Dan Williams
2022-07-14 20:05 ` Ira Weiny
2022-07-14 20:13 ` Ira Weiny
2022-07-14 20:44 ` Dan Williams
2022-07-19 15:07 ` Jonathan Cameron
2022-07-05 15:49 ` [PATCH V13 9/9] cxl/port: Parse out DSMAS data from CDAT table ira.weiny
2022-07-14 16:32 ` Dan Williams [this message]
2022-07-14 19:58 ` Ira Weiny
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