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authorMichael Kelley <mikelley@microsoft.com>2021-03-02 13:38:13 -0800
committerWei Liu <wei.liu@kernel.org>2021-03-08 17:32:59 +0000
commitca48739e59df31d16c27dbcd9ea2ea61d7caa9fb (patch)
tree3212f550f5f24e46a62d79324606b926a62635db /arch/x86
parentf850a4cad27c3cfeb89fd28c768d5e6821bf178f (diff)
downloadlinux-ca48739e59df31d16c27dbcd9ea2ea61d7caa9fb.tar.bz2
Drivers: hv: vmbus: Move Hyper-V page allocator to arch neutral code
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/hyperv/hv_init.c22
-rw-r--r--arch/x86/include/asm/mshyperv.h5
2 files changed, 0 insertions, 27 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index b81047dec1da..4bdb3443b25e 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -54,28 +54,6 @@ EXPORT_SYMBOL_GPL(hyperv_pcpu_output_arg);
u32 hv_max_vp_index;
EXPORT_SYMBOL_GPL(hv_max_vp_index);
-void *hv_alloc_hyperv_page(void)
-{
- BUILD_BUG_ON(PAGE_SIZE != HV_HYP_PAGE_SIZE);
-
- return (void *)__get_free_page(GFP_KERNEL);
-}
-EXPORT_SYMBOL_GPL(hv_alloc_hyperv_page);
-
-void *hv_alloc_hyperv_zeroed_page(void)
-{
- BUILD_BUG_ON(PAGE_SIZE != HV_HYP_PAGE_SIZE);
-
- return (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
-}
-EXPORT_SYMBOL_GPL(hv_alloc_hyperv_zeroed_page);
-
-void hv_free_hyperv_page(unsigned long addr)
-{
- free_page(addr);
-}
-EXPORT_SYMBOL_GPL(hv_free_hyperv_page);
-
static int hv_cpu_init(unsigned int cpu)
{
u64 msr_vp_index;
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index ccf60a809a17..ef6e968e2828 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -233,9 +233,6 @@ static inline struct hv_vp_assist_page *hv_get_vp_assist_page(unsigned int cpu)
void __init hyperv_init(void);
void hyperv_setup_mmu_ops(void);
-void *hv_alloc_hyperv_page(void);
-void *hv_alloc_hyperv_zeroed_page(void);
-void hv_free_hyperv_page(unsigned long addr);
void set_hv_tscchange_cb(void (*cb)(void));
void clear_hv_tscchange_cb(void);
void hyperv_stop_tsc_emulation(void);
@@ -272,8 +269,6 @@ int hv_unmap_ioapic_interrupt(int ioapic_id, struct hv_interrupt_entry *entry);
#else /* CONFIG_HYPERV */
static inline void hyperv_init(void) {}
static inline void hyperv_setup_mmu_ops(void) {}
-static inline void *hv_alloc_hyperv_page(void) { return NULL; }
-static inline void hv_free_hyperv_page(unsigned long addr) {}
static inline void set_hv_tscchange_cb(void (*cb)(void)) {}
static inline void clear_hv_tscchange_cb(void) {}
static inline void hyperv_stop_tsc_emulation(void) {};