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f1840efdb2
mock_get_event() uses an uninitialized local variable, nr_overflow, to populate the overflow_err_count field. That results in incorrect overflow_err_count values in mocked cxl_overflow trace events, such as this case where the records are reported as 0 and should be non-zero: [] cxl_overflow: memdev=mem7 host=cxl_mem.6 serial=7: log=Failure : 0 records from 1763228189130895685 to 1763228193130896180 Fix by using log->nr_overflow and remove the unused local variable. A follow-up change was considered in cxl_mem_get_records_log() to confirm that the overflow_err_count is non-zero when the overflow flag is set [1]. Since the driver has no functional dependency on this constraint, and a device that violates this specific requirement does not cause incorrect driver behavior, no validation check is added. [1] CXL 3.2, Table 8-65 Get Event Records Output Payload Signed-off-by: Alison Schofield <alison.schofield@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com>> --- Link: https://patch.msgid.link/20251116013036.1713313-1-alison.schofield@intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.