xen/acpi: Move xen_acpi_get_pxm to Xen's acpi.h
So that it could be reused by Xen CPU hotplug logic. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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@ -65,24 +65,6 @@ static int xen_hotadd_memory(int pxm, struct acpi_memory_info *info)
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return rc;
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return rc;
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}
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}
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static int xen_acpi_get_pxm(acpi_handle h)
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{
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unsigned long long pxm;
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acpi_status status;
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acpi_handle handle;
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acpi_handle phandle = h;
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do {
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handle = phandle;
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status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
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if (ACPI_SUCCESS(status))
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return pxm;
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status = acpi_get_parent(handle, &phandle);
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} while (ACPI_SUCCESS(status));
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return -ENXIO;
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}
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static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)
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static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)
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{
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{
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int pxm, result;
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int pxm, result;
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@ -69,4 +69,22 @@ static inline void xen_acpi_sleep_register(void)
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}
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}
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#endif
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#endif
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static inline int xen_acpi_get_pxm(acpi_handle h)
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{
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unsigned long long pxm;
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acpi_status status;
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acpi_handle handle;
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acpi_handle phandle = h;
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do {
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handle = phandle;
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status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
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if (ACPI_SUCCESS(status))
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return pxm;
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status = acpi_get_parent(handle, &phandle);
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} while (ACPI_SUCCESS(status));
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return -ENXIO;
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}
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#endif /* _XEN_ACPI_H */
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#endif /* _XEN_ACPI_H */
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