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Drivers: hv: vmbus: Move Hyper-V page allocator to arch neutral code

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The Hyper-V page allocator functions are implemented in an architecture
neutral way.  Move them into the architecture neutral VMbus module so
a separate implementation for ARM64 is not needed.

No functional change.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/1614721102-2241-2-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Michael Kelley 2021-03-02 13:38:13 -08:00 • committed by Wei Liu
parent f850a4cad2
commit ca48739e59
4 changed files with 40 additions and 27 deletions
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4
include/asm-generic/mshyperv.h
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@ -117,6 +117,10 @@ extern u32 hv_max_vp_index;
/* Sentinel value for an uninitialized entry in hv_vp_index array */
#define VP_INVAL U32_MAX
void *hv_alloc_hyperv_page(void);
void *hv_alloc_hyperv_zeroed_page(void);
void hv_free_hyperv_page(unsigned long addr);
/**
* hv_cpu_number_to_vp_number() - Map CPU to VP.
* @cpu_number: CPU number in Linux terms