[SRU][N][PATCH 5/6] x86/vmware: Correct macro names

Thibault Ferrante thibault.ferrante at canonical.com
Tue Dec 17 14:31:09 UTC 2024


From: Alexey Makhalov <alexey.makhalov at broadcom.com>

Buglink: https://bugs.launchpad.net/bugs/2091941

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

Fixes: 4cca6ea04d31c ("x86/apic: Allow x2apic without IR on VMware platform")
Signed-off-by: Alexey Makhalov <alexey.makhalov at broadcom.com>
Signed-off-by: Borislav Petkov (AMD) <bp at alien8.de>
Link: https://lore.kernel.org/r/20240613191650.9913-7-alexey.makhalov@broadcom.com
(cherry picked from commit 86cb65448d07fe516e18d9512ae5786cd90db9bf)
Signed-off-by: Thibault Ferrante <thibault.ferrante at canonical.com>
---
 arch/x86/kernel/cpu/vmware.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index 76ff074c9fae..00189cdeb775 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -42,8 +42,8 @@
 #define CPUID_VMWARE_INFO_LEAF               0x40000000
 #define CPUID_VMWARE_FEATURES_LEAF           0x40000010
 
-#define VMWARE_CMD_LEGACY_X2APIC  3
-#define VMWARE_CMD_VCPU_RESERVED 31
+#define GETVCPU_INFO_LEGACY_X2APIC           BIT(3)
+#define GETVCPU_INFO_VCPU_RESERVED           BIT(31)
 
 #define STEALCLOCK_NOT_AVAILABLE (-1)
 #define STEALCLOCK_DISABLED        0
@@ -485,8 +485,8 @@ static bool __init vmware_legacy_x2apic_available(void)
 	u32 eax;
 
 	eax = vmware_hypercall1(VMWARE_CMD_GETVCPU_INFO, 0);
-	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_INTEL_TDX_GUEST
-- 
2.43.0




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