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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.

  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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