Re: [PATCH V13 9/9] cxl/port: Parse out DSMAS data from CDAT table
From: Ira Weiny
Date: Thu Jul 14 2022 - 15:58:51 EST
On Thu, Jul 14, 2022 at 09:32:03AM -0700, Dan Williams wrote:
> ira.weiny@ wrote:
> > From: Ira Weiny <ira.weiny@xxxxxxxxx>
> > 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,
I'm not seeing that parsing ATM but I'll figure out what you mean.
> but for now it can just be dropped.