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e08cae4181
Clean up the hypervisor layer and the hypervisor drivers, using an ops structure instead of an enumeration with if statements. The identity of the hypervisor, if needed, can be tested by testing the pointer value in x86_hyper. The MS-HyperV private state is moved into a normal global variable (it's per-system state, not per-CPU state). Being a normal bss variable, it will be left at all zero on non-HyperV platforms, and so can generally be tested for HyperV-specific features without additional qualification. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Acked-by: Greg KH <greg@kroah.com> Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Alok Kataria <akataria@vmware.com> Cc: Ky Srinivasan <ksrinivasan@novell.com> LKML-Reference: <4BE49778.6060800@zytor.com>
15 lines
208 B
C
15 lines
208 B
C
#ifndef _ASM_X86_MSHYPER_H
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#define _ASM_X86_MSHYPER_H
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#include <linux/types.h>
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#include <asm/hyperv.h>
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struct ms_hyperv_info {
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u32 features;
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u32 hints;
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};
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extern struct ms_hyperv_info ms_hyperv;
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#endif
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