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Subject[PATCH 04/17] hyperv: Wrapper for setting proximity_domain_info
Date
Refactor the code to populate proximity_domain_info from numa node
as a wrapper function. This wrapper is needed in future patches in
this series. No intended change in functionality.

Signed-off-by: Vineeth Pillai <viremana@linux.microsoft.com>
---
arch/x86/hyperv/hv_proc.c | 15 ++++-----------
include/asm-generic/mshyperv.h | 14 ++++++++++++++
2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/arch/x86/hyperv/hv_proc.c b/arch/x86/hyperv/hv_proc.c
index ec9b0c69603e..30c88f1ec558 100644
--- a/arch/x86/hyperv/hv_proc.c
+++ b/arch/x86/hyperv/hv_proc.c
@@ -3,7 +3,6 @@
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/clockchips.h>
-#include <linux/acpi.h>
#include <linux/hyperv.h>
#include <linux/slab.h>
#include <linux/cpuhotplug.h>
@@ -146,7 +145,6 @@ int hv_call_add_logical_proc(int node, u32 lp_index, u32 apic_id)
u64 status;
unsigned long flags;
int ret = HV_STATUS_SUCCESS;
- int pxm = node_to_pxm(node);

/*
* When adding a logical processor, the hypervisor may return
@@ -163,10 +161,8 @@ int hv_call_add_logical_proc(int node, u32 lp_index, u32 apic_id)
input->lp_index = lp_index;
input->apic_id = apic_id;
input->flags = 0;
- input->proximity_domain_info.domain_id = pxm;
- input->proximity_domain_info.flags.reserved = 0;
- input->proximity_domain_info.flags.proximity_info_valid = 1;
- input->proximity_domain_info.flags.proximity_preferred = 1;
+ input->proximity_domain_info =
+ numa_node_to_proximity_domain_info(node);
status = hv_do_hypercall(HVCALL_ADD_LOGICAL_PROCESSOR,
input, output);
local_irq_restore(flags);
@@ -191,7 +187,6 @@ int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags)
u64 status;
unsigned long irq_flags;
int ret = HV_STATUS_SUCCESS;
- int pxm = node_to_pxm(node);

/* Root VPs don't seem to need pages deposited */
if (partition_id != hv_current_partition_id) {
@@ -211,10 +206,8 @@ int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags)
input->flags = flags;
input->subnode_type = HvSubnodeAny;
if (node != NUMA_NO_NODE) {
- input->proximity_domain_info.domain_id = pxm;
- input->proximity_domain_info.flags.reserved = 0;
- input->proximity_domain_info.flags.proximity_info_valid = 1;
- input->proximity_domain_info.flags.proximity_preferred = 1;
+ input->proximity_domain_info =
+ numa_node_to_proximity_domain_info(node);
} else {
input->proximity_domain_info.as_uint64 = 0;
}
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index ec9afca749f0..d9b91b8f63c8 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -21,10 +21,24 @@
#include <linux/types.h>
#include <linux/atomic.h>
#include <linux/bitops.h>
+#include <acpi/acpi_numa.h>
#include <linux/cpumask.h>
#include <asm/ptrace.h>
#include <asm/hyperv-tlfs.h>

+static inline union hv_proximity_domain_info
+numa_node_to_proximity_domain_info(int node)
+{
+ union hv_proximity_domain_info proximity_domain_info;
+
+ proximity_domain_info.domain_id = node_to_pxm(node);
+ proximity_domain_info.flags.reserved = 0;
+ proximity_domain_info.flags.proximity_info_valid = 1;
+ proximity_domain_info.flags.proximity_preferred = 1;
+
+ return proximity_domain_info;
+}
+
struct ms_hyperv_info {
u32 features;
u32 priv_high;
--
2.25.1
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