linux-kernel - [PATCH v9 1/8] x86/vmware: Correct macro names

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Date: Wed, 24 Apr 2024 16:14:06 -0700
From: Alexey Makhalov <alexey.makhalov@...adcom.com>
To: linux-kernel@...r.kernel.org,
	virtualization@...ts.linux.dev,
	bp@...en8.de,
	hpa@...or.com,
	dave.hansen@...ux.intel.com,
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Cc: x86@...nel.org,
	netdev@...r.kernel.org,
	richardcochran@...il.com,
	linux-input@...r.kernel.org,
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	kirill.shutemov@...ux.intel.com,
	Alexey Makhalov <alexey.makhalov@...adcom.com>
Subject: [PATCH v9 1/8] x86/vmware: Correct macro names

VCPU_RESERVED and LEGACY_X2APIC are not VMware hypercall commands.
These are bits in return value of VMWARE_CMD_GETVCPU_INFO command.
Change VMWARE_CMD_ prefix to GETVCPU_INFO_ one. And move bit-shift
operation to the macro body.

Signed-off-by: Alexey Makhalov <alexey.makhalov@...adcom.com>
---
 arch/x86/kernel/cpu/vmware.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index 11f83d07925e..f58c8d669bd3 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -49,10 +49,11 @@
 #define VMWARE_CMD_GETVERSION    10
 #define VMWARE_CMD_GETHZ         45
 #define VMWARE_CMD_GETVCPU_INFO  68
-#define VMWARE_CMD_LEGACY_X2APIC  3
-#define VMWARE_CMD_VCPU_RESERVED 31
 #define VMWARE_CMD_STEALCLOCK    91
 
+#define GETVCPU_INFO_LEGACY_X2APIC           BIT(3)
+#define GETVCPU_INFO_VCPU_RESERVED           BIT(31)
+
 #define STEALCLOCK_NOT_AVAILABLE (-1)
 #define STEALCLOCK_DISABLED        0
 #define STEALCLOCK_ENABLED         1
@@ -476,8 +477,8 @@ static bool __init vmware_legacy_x2apic_available(void)
 {
 	uint32_t eax, ebx, ecx, edx;
 	VMWARE_CMD(GETVCPU_INFO, eax, ebx, ecx, edx);
-	return !(eax & BIT(VMWARE_CMD_VCPU_RESERVED)) &&
-		(eax & BIT(VMWARE_CMD_LEGACY_X2APIC));
+	return !(eax & GETVCPU_INFO_VCPU_RESERVED) &&
+		(eax & GETVCPU_INFO_LEGACY_X2APIC);
 }
 
 #ifdef CONFIG_AMD_MEM_ENCRYPT
-- 
2.39.0