linux/tools/testing
Maciej Wieczor-Retman 20d96b25cc selftests/resctrl: Fix schemata write error check
Writing bitmasks to the schemata can fail when the bitmask doesn't
adhere to constraints defined by what a particular CPU supports.
Some example of constraints are max length or having contiguous bits.
The driver should properly return errors when any rule concerning
bitmask format is broken.

Resctrl FS returns error codes from fprintf() only when fclose() is
called. Current error checking scheme allows invalid bitmasks to be
written into schemata file and the selftest doesn't notice because the
fclose() error code isn't checked.

Substitute fopen(), flose() and fprintf() with open(), close() and
write() to avoid error code buffering between fprintf() and fclose().

Remove newline character from the schema string after writing it to
the schemata file so it prints correctly before function return.

Pass the string generated with strerror() to the "reason" buffer so
the error message is more verbose. Extend "reason" buffer so it can hold
longer messages.

Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-10-13 14:59:01 -06:00
..
crypto/chacha20-s390
cxl tools/testing/cxl: Remove unused SZ_512G macro 2023-07-20 23:35:22 -06:00
fault-injection
ktest ktest: Restore stty setting at first in dodie 2023-02-20 11:52:27 -05:00
kunit sound updates for 6.6-rc1 2023-08-30 13:45:05 -07:00
memblock Add tests for memblock_alloc_node() 2023-05-24 11:56:30 +03:00
nvdimm tools/testing/nvdimm: Drop empty platform remove function 2023-06-07 13:30:21 -07:00
radix-tree XArray/IDA updates for 6.6 2023-09-08 21:46:26 -07:00
scatterlist
selftests selftests/resctrl: Fix schemata write error check 2023-10-13 14:59:01 -06:00
vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-08-03 14:34:37 -07:00