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[Xen-devel] [PATCH 0 of 2] Add configuration options to selectively disable S3 and S4 (V3)



This patch series adds the ability to selectively disable the S3 and S4 ACPI
power states for HVM guests.

Since there is a general move towards retiring the hvm_info_table structure,
the first patch moves the acpi_enabled flag out of the hvm_info_table and into
a xenstore key (platform/acpi).
The second patch then introduces the acpi_s3 and acpi_s4 configuration
parameters to the xl config file (default=1). These result in population of
new platform/acpi_s3 and platform/acpi_s4 xenstore keys. hvmloader then reads
these keys to determine whether or not to include SSDTs containing the
_S3 and _S4 packages respectively.


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