[PATCH v6 06/10] Drivers: hv: Export some functions for use by root partition module
From: Nuno Das Neves
Date: Fri Mar 14 2025 - 15:31:00 EST
hv_get_hypervisor_version(), hv_call_deposit_pages(), and
hv_call_create_vp(), are all needed in-module with CONFIG_MSHV_ROOT=m.
Signed-off-by: Nuno Das Neves <nunodasneves@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Stanislav Kinsburskii <skinsburskii@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Tianyu Lan <tiala@xxxxxxxxxxxxx>
---
arch/arm64/hyperv/mshyperv.c | 1 +
arch/x86/kernel/cpu/mshyperv.c | 1 +
drivers/hv/hv_proc.c | 3 ++-
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index 2265ea5ce5ad..4e27cc29c79e 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -26,6 +26,7 @@ int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
return 0;
}
+EXPORT_SYMBOL_GPL(hv_get_hypervisor_version);
static int __init hyperv_init(void)
{
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index fd285b18d6b4..fcd0e066d9bd 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -420,6 +420,7 @@ int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
return 0;
}
+EXPORT_SYMBOL_GPL(hv_get_hypervisor_version);
static void __init ms_hyperv_init_platform(void)
{
diff --git a/drivers/hv/hv_proc.c b/drivers/hv/hv_proc.c
index 605999f10e17..7d7ecb6f6137 100644
--- a/drivers/hv/hv_proc.c
+++ b/drivers/hv/hv_proc.c
@@ -107,6 +107,7 @@ int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages)
kfree(counts);
return ret;
}
+EXPORT_SYMBOL_GPL(hv_call_deposit_pages);
int hv_call_add_logical_proc(int node, u32 lp_index, u32 apic_id)
{
@@ -191,4 +192,4 @@ int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags)
return ret;
}
-
+EXPORT_SYMBOL_GPL(hv_call_create_vp);
--
2.34.1