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authorLike Xu <likexu@tencent.com>2021-08-09 12:34:08 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2021-08-13 10:35:16 +0300
commitc1a527a1de46ad6f0f9d5907b29fc98e50267f8e (patch)
tree179c330442a187e01c61ecaeb080cae566e733be
parent65297341d8e15b04cc9e206597a3d7c407c346f6 (diff)
downloadlinux-c1a527a1de46ad6f0f9d5907b29fc98e50267f8e.tar.xz
KVM: x86: Clean up redundant ROL16(val, n) macro definition
The ROL16(val, n) macro is repeatedly defined in several vmcs-related files, and it has never been used outside the KVM context. Let's move it to vmcs.h without any intended functional changes. Signed-off-by: Like Xu <likexu@tencent.com> Message-Id: <20210809093410.59304-4-likexu@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch/x86/kvm/vmx/evmcs.c1
-rw-r--r--arch/x86/kvm/vmx/evmcs.h4
-rw-r--r--arch/x86/kvm/vmx/vmcs.h2
-rw-r--r--arch/x86/kvm/vmx/vmcs12.c1
-rw-r--r--arch/x86/kvm/vmx/vmcs12.h4
5 files changed, 2 insertions, 10 deletions
diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
index 896b2a50b4aa..0dab1b7b529f 100644
--- a/arch/x86/kvm/vmx/evmcs.c
+++ b/arch/x86/kvm/vmx/evmcs.c
@@ -14,7 +14,6 @@ DEFINE_STATIC_KEY_FALSE(enable_evmcs);
#if IS_ENABLED(CONFIG_HYPERV)
-#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
#define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x)
#define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \
{EVMCS1_OFFSET(name), clean_field}
diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h
index 2ec9b46f0d0c..152ab0aa82cf 100644
--- a/arch/x86/kvm/vmx/evmcs.h
+++ b/arch/x86/kvm/vmx/evmcs.h
@@ -73,8 +73,6 @@ struct evmcs_field {
extern const struct evmcs_field vmcs_field_to_evmcs_1[];
extern const unsigned int nr_evmcs_1_fields;
-#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
-
static __always_inline int get_evmcs_offset(unsigned long field,
u16 *clean_field)
{
@@ -95,8 +93,6 @@ static __always_inline int get_evmcs_offset(unsigned long field,
return evmcs_field->offset;
}
-#undef ROL16
-
static inline void evmcs_write64(unsigned long field, u64 value)
{
u16 clean_field;
diff --git a/arch/x86/kvm/vmx/vmcs.h b/arch/x86/kvm/vmx/vmcs.h
index 4b9957e2bf5b..6e5de2e2b0da 100644
--- a/arch/x86/kvm/vmx/vmcs.h
+++ b/arch/x86/kvm/vmx/vmcs.h
@@ -11,6 +11,8 @@
#include "capabilities.h"
+#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
+
struct vmcs_hdr {
u32 revision_id:31;
u32 shadow_vmcs:1;
diff --git a/arch/x86/kvm/vmx/vmcs12.c b/arch/x86/kvm/vmx/vmcs12.c
index d9f5d7c56ae3..cab6ba7a5005 100644
--- a/arch/x86/kvm/vmx/vmcs12.c
+++ b/arch/x86/kvm/vmx/vmcs12.c
@@ -2,7 +2,6 @@
#include "vmcs12.h"
-#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
#define VMCS12_OFFSET(x) offsetof(struct vmcs12, x)
#define FIELD(number, name) [ROL16(number, 6)] = VMCS12_OFFSET(name)
#define FIELD64(number, name) \
diff --git a/arch/x86/kvm/vmx/vmcs12.h b/arch/x86/kvm/vmx/vmcs12.h
index 5e0e1b39f495..2a45f026ee11 100644
--- a/arch/x86/kvm/vmx/vmcs12.h
+++ b/arch/x86/kvm/vmx/vmcs12.h
@@ -364,8 +364,6 @@ static inline void vmx_check_vmcs12_offsets(void)
extern const unsigned short vmcs_field_to_offset_table[];
extern const unsigned int nr_vmcs12_fields;
-#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
-
static inline short vmcs_field_to_offset(unsigned long field)
{
unsigned short offset;
@@ -385,8 +383,6 @@ static inline short vmcs_field_to_offset(unsigned long field)
return offset;
}
-#undef ROL16
-
static inline u64 vmcs12_read_any(struct vmcs12 *vmcs12, unsigned long field,
u16 offset)
{