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Commit 40a58637 authored by Liu Jinsong's avatar Liu Jinsong Committed by Konrad Rzeszutek Wilk
Browse files

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: default avatarLiu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent b22ff77b
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+0 −18
Original line number Original line Diff line number Diff line
@@ -65,24 +65,6 @@ static int xen_hotadd_memory(int pxm, struct acpi_memory_info *info)
	return rc;
	return rc;
}
}


static int xen_acpi_get_pxm(acpi_handle h)
{
	unsigned long long pxm;
	acpi_status status;
	acpi_handle handle;
	acpi_handle phandle = h;

	do {
		handle = phandle;
		status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
		if (ACPI_SUCCESS(status))
			return pxm;
		status = acpi_get_parent(handle, &phandle);
	} while (ACPI_SUCCESS(status));

	return -ENXIO;
}

static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)
static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)
{
{
	int pxm, result;
	int pxm, result;
+18 −0
Original line number Original line Diff line number Diff line
@@ -69,4 +69,22 @@ static inline void xen_acpi_sleep_register(void)
}
}
#endif
#endif


static inline int xen_acpi_get_pxm(acpi_handle h)
{
	unsigned long long pxm;
	acpi_status status;
	acpi_handle handle;
	acpi_handle phandle = h;

	do {
		handle = phandle;
		status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
		if (ACPI_SUCCESS(status))
			return pxm;
		status = acpi_get_parent(handle, &phandle);
	} while (ACPI_SUCCESS(status));

	return -ENXIO;
}

#endif	/* _XEN_ACPI_H */
#endif	/* _XEN_ACPI_H */