* [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only?
@ 2013-05-30 10:58 李春奇 <Arthur Chunqi Li>
2013-05-31 4:29 ` Jan Kiszka
2013-06-02 15:27 ` Gleb Natapov
0 siblings, 2 replies; 3+ messages in thread
From: 李春奇 <Arthur Chunqi Li> @ 2013-05-30 10:58 UTC (permalink / raw)
To: qemu-devel, kvm; +Cc: pbonzini, Jan Kiszka
Hi there,
I'm now reading codes of kvm-unit-tests and I found that some of the
test cases for x86 is only designed for x86_64 (including access.flat,
apic.flat, emulator.flat, idt_test.flat and so on). I wonder why these
cases are not designed for i386? Or is there any other concerns?
Thanks,
Arthur
--
Arthur Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only?
2013-05-30 10:58 [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only? 李春奇 <Arthur Chunqi Li>
@ 2013-05-31 4:29 ` Jan Kiszka
2013-06-02 15:27 ` Gleb Natapov
1 sibling, 0 replies; 3+ messages in thread
From: Jan Kiszka @ 2013-05-31 4:29 UTC (permalink / raw)
To: "李春奇 <Arthur Chunqi Li>"
Cc: pbonzini, qemu-devel, kvm
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On 2013-05-30 19:58, 李春奇 <Arthur Chunqi Li> wrote:
> Hi there,
> I'm now reading codes of kvm-unit-tests and I found that some of the
> test cases for x86 is only designed for x86_64 (including access.flat,
> apic.flat, emulator.flat, idt_test.flat and so on). I wonder why these
> cases are not designed for i386? Or is there any other concerns?
First of all, 32-bit hosts are rarely used in x86 virtualization today.
Also, some tests may actually stress the same logic of KVM if run on
32-bit x86.
That said, if you find cases where you think a 32-bit variant of a test
case makes sense, feel free to suggest it!
Jan
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only?
2013-05-30 10:58 [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only? 李春奇 <Arthur Chunqi Li>
2013-05-31 4:29 ` Jan Kiszka
@ 2013-06-02 15:27 ` Gleb Natapov
1 sibling, 0 replies; 3+ messages in thread
From: Gleb Natapov @ 2013-06-02 15:27 UTC (permalink / raw)
To: 李春奇 <Arthur Chunqi Li>
Cc: pbonzini, Jan Kiszka, qemu-devel, kvm
On Thu, May 30, 2013 at 06:58:07PM +0800, 李春奇 <Arthur Chunqi Li> wrote:
> Hi there,
> I'm now reading codes of kvm-unit-tests and I found that some of the
> test cases for x86 is only designed for x86_64 (including access.flat,
> apic.flat, emulator.flat, idt_test.flat and so on). I wonder why these
> cases are not designed for i386? Or is there any other concerns?
>
If functionality it tests does not depend on what mode vcpu is in then
having support only for x86_64 is simpler.
--
Gleb.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-05-30 10:58 [Qemu-devel] Why some test suite in kvm-unit-tests designed for 64bit only? 李春奇 <Arthur Chunqi Li>
2013-05-31 4:29 ` Jan Kiszka
2013-06-02 15:27 ` Gleb Natapov
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