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target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid()

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Fix build failures with clang when KVM is not enabled by
providing a stub version of kvm_arch_get_supported_cpuid().
We retain the compile time check that this function isn't
called when CONFIG_KVM is not set by guarding the stub with
ifndef __OPTIMIZE__ (we assume that an optimizing build will
do sufficient constant folding and dead code elimination to
remove the calls before linking).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Maydell 2013-11-13 23:09:07 +00:00 committed by Paolo Bonzini
parent 8d07d6c465
commit 2140cfa51d
1 changed files with 12 additions and 0 deletions
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12
target-i386/kvm-stub.c
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@ -16,3 +16,15 @@ bool kvm_allows_irq0_override(void)
{
return 1;
}
#ifndef __OPTIMIZE__
/* This function is only called inside conditionals which we
* rely on the compiler to optimize out when CONFIG_KVM is not
* defined.
*/
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg)
{
abort();
}
#endif