Re: [Qemu-devel] [PATCH] boot-serial-test: fallback to kvm accelerator

[Cornelia Huck <cohuck@redhat.com>]

On Fri, 11 Aug 2017 13:56:37 +0200
Thomas Huth <thuth@redhat.com> wrote:

> On 11.08.2017 13:47, Cornelia Huck wrote:

> > diff --git a/tests/boot-serial-test.c b/tests/boot-serial-test.c
> > index 11f48b049c..38664a0594 100644
> > --- a/tests/boot-serial-test.c
> > +++ b/tests/boot-serial-test.c
> > @@ -78,7 +78,8 @@ static void test_machine(const void *data)
> >      fd = mkstemp(tmpname);
> >      g_assert(fd != -1);
> >  
> > -    args = g_strdup_printf("-M %s,accel=tcg -chardev file,id=serial0,path=%s"
> > +    args = g_strdup_printf("-M %s,accel=tcg:kvm "
> > +                           "-chardev file,id=serial0,path=%s"
> >                             " -no-shutdown -serial chardev:serial0 %s",
> >                             test->machine, tmpname, test->extra);  
> 
> I think I'd prefer "kvm:tcg" here to speed up the test if possible.

Sure, can turn that around.

> 
> The reason for only using "tcg" in the past was that there was an
> annoying warning message "kvm accelerator not found" or so when also
> specifying kvm here, but that has been fixed just recently, so "kvm:tcg"
> should be fine now here, too.

Yup, it's best to try both (especially as we can't rely on tcg being
available anymore).