Welcome to mirror list, hosted at ThFree Co, Russian Federation.

github.com/torvalds/linux.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/asm-offsets.c6
-rw-r--r--arch/x86/kvm/.gitignore2
-rw-r--r--arch/x86/kvm/Makefile9
-rw-r--r--arch/x86/kvm/kvm-asm-offsets.c18
-rw-r--r--arch/x86/kvm/vmx/vmenter.S2
5 files changed, 30 insertions, 7 deletions
diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index cb50589a7102..437308004ef2 100644
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -19,7 +19,6 @@
#include <asm/suspend.h>
#include <asm/tlbflush.h>
#include <asm/tdx.h>
-#include "../kvm/vmx/vmx.h"
#ifdef CONFIG_XEN
#include <xen/interface/xen.h>
@@ -108,9 +107,4 @@ static void __used common(void)
OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
OFFSET(TSS_sp2, tss_struct, x86_tss.sp2);
-
- if (IS_ENABLED(CONFIG_KVM_INTEL)) {
- BLANK();
- OFFSET(VMX_spec_ctrl, vcpu_vmx, spec_ctrl);
- }
}
diff --git a/arch/x86/kvm/.gitignore b/arch/x86/kvm/.gitignore
new file mode 100644
index 000000000000..615d6ff35c00
--- /dev/null
+++ b/arch/x86/kvm/.gitignore
@@ -0,0 +1,2 @@
+/kvm-asm-offsets.s
+/kvm-asm-offsets.h
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 30f244b64523..a02cf9baacc8 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -34,3 +34,12 @@ endif
obj-$(CONFIG_KVM) += kvm.o
obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
obj-$(CONFIG_KVM_AMD) += kvm-amd.o
+
+AFLAGS_vmx/vmenter.o := -iquote $(obj)
+$(obj)/vmx/vmenter.o: $(obj)/kvm-asm-offsets.h
+
+$(obj)/kvm-asm-offsets.h: $(obj)/kvm-asm-offsets.s FORCE
+ $(call filechk,offsets,__KVM_ASM_OFFSETS_H__)
+
+targets += kvm-asm-offsets.s
+clean-files += kvm-asm-offsets.h
diff --git a/arch/x86/kvm/kvm-asm-offsets.c b/arch/x86/kvm/kvm-asm-offsets.c
new file mode 100644
index 000000000000..9d84f2b32d7f
--- /dev/null
+++ b/arch/x86/kvm/kvm-asm-offsets.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ */
+#define COMPILE_OFFSETS
+
+#include <linux/kbuild.h>
+#include "vmx/vmx.h"
+
+static void __used common(void)
+{
+ if (IS_ENABLED(CONFIG_KVM_INTEL)) {
+ BLANK();
+ OFFSET(VMX_spec_ctrl, vcpu_vmx, spec_ctrl);
+ }
+}
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index 8477d8bdd69c..0b5db4de4d09 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -1,12 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/asm.h>
-#include <asm/asm-offsets.h>
#include <asm/bitsperlong.h>
#include <asm/kvm_vcpu_regs.h>
#include <asm/nospec-branch.h>
#include <asm/percpu.h>
#include <asm/segment.h>
+#include "kvm-asm-offsets.h"
#include "run_flags.h"
#define WORD_SIZE (BITS_PER_LONG / 8)