linux-kernel - [PATCH v2 07/20] KVM: x86: Move KVM_MAX_MCE

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Message-ID: <20250227012021.1778144-8-binbin.wu@linux.intel.com>
Date: Thu, 27 Feb 2025 09:20:08 +0800
From: Binbin Wu <binbin.wu@...ux.intel.com>
To: pbonzini@...hat.com,
	seanjc@...gle.com,
	kvm@...r.kernel.org
Cc: rick.p.edgecombe@...el.com,
	kai.huang@...el.com,
	adrian.hunter@...el.com,
	reinette.chatre@...el.com,
	xiaoyao.li@...el.com,
	tony.lindgren@...el.com,
	isaku.yamahata@...el.com,
	yan.y.zhao@...el.com,
	chao.gao@...el.com,
	linux-kernel@...r.kernel.org,
	binbin.wu@...ux.intel.com
Subject: [PATCH v2 07/20] KVM: x86: Move KVM_MAX_MCE_BANKS to header file

From: Isaku Yamahata <isaku.yamahata@...el.com>

Move KVM_MAX_MCE_BANKS to header file so that it can be used for TDX in
a future patch.

Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>
[binbin: split into new patch]
Signed-off-by: Binbin Wu <binbin.wu@...ux.intel.com>
---
TDX "the rest" v2:
- No Change.

TDX "the rest" v1:
- New patch. Split from "KVM: TDX: Implement callbacks for MSR operations for TDX". (Sean)
  https://lore.kernel.org/kvm/Zg1yPIV6cVJrwGxX@google.com/
---
 arch/x86/kvm/x86.c | 1 -
 arch/x86/kvm/x86.h | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 33b64b65c166..1bd7977006c9 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -90,7 +90,6 @@
 #include "trace.h"
 
 #define MAX_IO_MSRS 256
-#define KVM_MAX_MCE_BANKS 32
 
 /*
  * Note, kvm_caps fields should *never* have default values, all fields must be
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 72b4cee27d02..772d5c320be1 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -10,6 +10,8 @@
 #include "kvm_emulate.h"
 #include "cpuid.h"
 
+#define KVM_MAX_MCE_BANKS 32
+
 struct kvm_caps {
 	/* control of guest tsc rate supported? */
 	bool has_tsc_control;
-- 
2.46.0