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[PULL,v2,09/31] target-i386: add kvm stubs to user-mode emulators

Message ID 1552323335-46779-10-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,v2,01/31] memory: Do not update coalesced IO range in the case of NOP | expand

Commit Message

Paolo Bonzini March 11, 2019, 4:55 p.m. UTC 
The CPUID code will call kvm_arch_get_supported_cpuid() and, even though
it is undef kvm_enabled() so it never runs for user-mode emulators,
sometimes clang will not optimize it out at -O0.

That could be considered a compiler bug, however at -O0 we give it
a pass and just add the stubs.

Reported-by: Kamil Rytarowski <n54@gmx.com>
Tested-by: Kamil Rytarowski <n54@gmx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/Makefile.objs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target/i386/Makefile.objs b/target/i386/Makefile.objs
index cb9c265..48e0c28 100644
--- a/target/i386/Makefile.objs
+++ b/target/i386/Makefile.objs
@@ -3,10 +3,10 @@  obj-$(CONFIG_TCG) += translate.o
 obj-$(CONFIG_TCG) += bpt_helper.o cc_helper.o excp_helper.o fpu_helper.o
 obj-$(CONFIG_TCG) += int_helper.o mem_helper.o misc_helper.o mpx_helper.o
 obj-$(CONFIG_TCG) += seg_helper.o smm_helper.o svm_helper.o
+obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
 ifeq ($(CONFIG_SOFTMMU),y)
 obj-y += machine.o arch_memory_mapping.o arch_dump.o monitor.o
 obj-$(CONFIG_KVM) += kvm.o
-obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
 obj-$(CONFIG_HYPERV) += hyperv.o
 obj-$(call lnot,$(CONFIG_HYPERV)) += hyperv-stub.o
 ifeq ($(CONFIG_WIN32),y)