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[Qemu-devel] [PATCH 08/20] kvm: Add fake KVM constants to avoid #ifdefs
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH 08/20] kvm: Add fake KVM constants to avoid #ifdefs on KVM-specific code |
Date: |
Tue, 15 Jan 2013 10:27:26 +0100 |
From: Eduardo Habkost <address@hidden>
Any KVM-specific code that use these constants must check if
kvm_enabled() is true before using them.
Signed-off-by: Eduardo Habkost <address@hidden>
Reviewed-by: Gleb Natapov <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
include/sysemu/kvm.h | 14 ++++++++++++++
1 Datei geändert, 14 Zeilen hinzugefügt(+)
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 2fe8f8a..6bdd513 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -22,6 +22,20 @@
#ifdef CONFIG_KVM
#include <linux/kvm.h>
#include <linux/kvm_para.h>
+#else
+/* These constants must never be used at runtime if kvm_enabled() is false.
+ * They exist so we don't need #ifdefs around KVM-specific code that already
+ * checks kvm_enabled() properly.
+ */
+#define KVM_CPUID_SIGNATURE 0
+#define KVM_CPUID_FEATURES 0
+#define KVM_FEATURE_CLOCKSOURCE 0
+#define KVM_FEATURE_NOP_IO_DELAY 0
+#define KVM_FEATURE_MMU_OP 0
+#define KVM_FEATURE_CLOCKSOURCE2 0
+#define KVM_FEATURE_ASYNC_PF 0
+#define KVM_FEATURE_STEAL_TIME 0
+#define KVM_FEATURE_PV_EOI 0
#endif
extern int kvm_allowed;
--
1.7.10.4
- [Qemu-devel] [PULL] QOM CPUState patch queue 2013-01-15, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 01/20] cpu: Move nr_{cores, threads} fields to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 02/20] target-mips: Clean up mips_cpu_map_tc() documentation, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 03/20] cpu: Move numa_node field to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 05/20] kvm: Pass CPUState to kvm_init_vcpu(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 06/20] xen: Simplify halting of first CPU, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 07/20] exec: Return CPUState from qemu_get_cpu(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 08/20] kvm: Add fake KVM constants to avoid #ifdefs on KVM-specific code,
Andreas Färber <=
- [Qemu-devel] [PATCH 11/20] target-i386: kvm_check_features_against_host(): Use feature_word_info, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 13/20] target-i386: check/enforce: Check all feature words, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 09/20] target-i386: Disable kvm_mmu by default, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 04/20] cpu: Move cpu_index field to CPUState, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 10/20] target-i386/cpu: Introduce FeatureWord typedefs, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 12/20] target-i386/cpu.c: Add feature name array for ext4_features, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 14/20] target-i386: Move setting defaults out of cpu_x86_parse_featurestr(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 18/20] target-i386: Introduce hw_{local, global}_breakpoint_enabled(), Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 17/20] target-i386: Define DR7 bit field constants, Andreas Färber, 2013/01/15
- [Qemu-devel] [PATCH 16/20] target-i386: Move kvm_check_features_against_host() check to realize time, Andreas Färber, 2013/01/15