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Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_
From: |
Kamil Rytarowski |
Subject: |
Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid() |
Date: |
Thu, 14 Feb 2019 20:41:13 +0100 |
User-agent: |
Mozilla/5.0 (X11; NetBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 14.02.2019 19:44, Paolo Bonzini wrote:
> On 02/02/19 15:45, Kamil Rytarowski wrote:
>>
>> Clang/LLVM on NetBSD with enabled optimization cannot link
>> correct qemu program because of a missing symbol of
>> kvm_arch_get_supported_cpuid() in kvm-stubs.o used by executables.
>
> Can you please include the full error message? Usually these things are
> a sign of a bug elsewhere.
>
> Paolo
>
Please do replace the current kludge that is sensitive to:
- compiler behavior that can change with new versions
- compiler gcc/clang
- optimization options
- linux(KVM) - non-linux (no-KVM) build
- community not actively testing non-linux no-kvm build with
optimization on clang
My patch replaced it makes it work.
Build error:
LINK i386-bsd-user/qemu-i386
/usr/bin/ld: /usr/lib/libc.so and /usr/lib/crt0.o: warning: multiple
common of `environ'
/usr/bin/ld: target/i386/cpu.o: in function `x86_cpu_filter_features':
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5047:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5048:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5049:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5050:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5051:
undefined reference to `kvm_arch_get_supported_cpuid'
clang-9: error: linker command failed with exit code 1 (use -v to see
invocation)
make[1]: *** [Makefile:199: qemu-i386] Error 1
gmake: *** [Makefile:483: subdir-i386-bsd-user] Error 2
gmake: *** Waiting for unfinished jobs....
LINK x86_64-bsd-user/qemu-x86_64
/usr/bin/ld: /usr/lib/libc.so and /usr/lib/crt0.o: warning: multiple
common of `environ'
/usr/bin/ld: target/i386/cpu.o: in function `x86_cpu_filter_features':
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5047:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5048:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5049:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5050:
undefined reference to `kvm_arch_get_supported_cpuid'
/usr/bin/ld:
/tmp/pkgsrc-tmp/emulators/qemu/work/qemu-3.1.0/target/i386/cpu.c:5051:
undefined reference to `kvm_arch_get_supported_cpuid'
clang-9: error: linker command failed with exit code 1 (use -v to see
invocation)
make[1]: *** [Makefile:199: qemu-x86_64] Error 1
gmake: *** [Makefile:483: subdir-x86_64-bsd-user] Error 2
*** Error code 2
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- [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/02
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), no-reply, 2019/02/03
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/14
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2019/02/14
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(),
Kamil Rytarowski <=
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2019/02/14
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/14
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/20
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2019/02/20
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/20
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2019/02/21
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/25
- Message not available
- Re: [Qemu-devel] [PATCH] target-i386: Enhance the stub for kvm_arch_get_supported_cpuid(), Kamil Rytarowski, 2019/02/25