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3cfe889f89
As a step towards unifying the interface for retrieving ACPI CPU UID across architectures, introduce a new function acpi_get_cpu_uid() for x86. While at it, add input validation to make the code more robust. Update Xen-related code to use acpi_get_cpu_uid() instead of the legacy cpu_acpi_id() function, and remove the now-unused cpu_acpi_id() to clean up redundant code. Signed-off-by: Chengwen Feng <fengchengwen@huawei.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://patch.msgid.link/20260401081640.26875-5-fengchengwen@huawei.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>