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Reinette ChatreandBorislav Petkov (AMD)
854db793d4
resctrl fs commands are becoming more powerful with, for example, a user able to use syntax like '*' to make broad configuration changes. Such commands that span multiple domains may result in more than one message printed to the last_cmd_status buffer with more planned. Issue "[truncated]" when displaying the last_cmd_status buffer to communicate if it overflowed. Upon encountering this, user space is expected to combine details about the failure found in info/last_cmd_status with related resctrl files to learn the accurate system state after the command failure. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Ben Horgan <ben.horgan@arm.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Tested-by: Babu Moger <babu.moger@amd.com> Link: https://patch.msgid.link/eb3d1aaa41d1f2bf6b1bb26ceafd52f04912121d.1782857711.git.reinette.chatre@intel.com