On Wed, Feb 10, 2021 at 11:53:53AM +0100, Pavel Hrdina wrote:
> On Wed, Feb 10, 2021 at 10:39:22AM +0000, Daniel P. Berrangé wrote:
> > On Tue, Feb 09, 2021 at 03:30:47PM +0100, Pavel Hrdina wrote:
> > > On Tue, Feb 09, 2021 at 01:58:57PM +0000, Daniel P. Berrangé wrote:
> > > > For hardware virtualization this is functionally identical to the
> > > > existing host-passthrough mode so the same caveats apply.
> > > >
> > > > For emulated guest this exposes the maximum featureset supported by
> > > > the emulator. Note that despite being emulated this is not guaranteed
> > > > to be migration safe, especially if different emulator software versions
> > > > are used on each host.
> > > >
> > > > Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> > > > ---
> > > > docs/formatdomain.rst | 24 ++++++++++++++++++++++++
> > > > src/conf/cpu_conf.c | 13 +++++++++----
> > > > src/conf/cpu_conf.h | 1 +
> > > > src/cpu/cpu.c | 1 +
> > > > src/qemu/qemu_capabilities.c | 1 +
> > > > src/qemu/qemu_command.c | 1 +
> > > > src/qemu/qemu_domain.c | 1 +
> > > > src/qemu/qemu_validate.c | 1 +
> > > > 8 files changed, 39 insertions(+), 4 deletions(-)
> > >
> > > [...]
> > >
> > > > diff --git a/src/conf/cpu_conf.c b/src/conf/cpu_conf.c
> > > > index f98b0a0eb3..eb4bfbbcfa 100644
> > > > --- a/src/conf/cpu_conf.c
> > > > +++ b/src/conf/cpu_conf.c
> > > > @@ -402,10 +403,11 @@ virCPUDefParseXML(xmlXPathContextPtr ctxt,
> > > > if ((migratable = virXMLPropString(ctxt->node, "migratable"))) {
> > > > int val;
> > > >
> > > > - if (def->mode != VIR_CPU_MODE_HOST_PASSTHROUGH) {
> > > > + if (def->mode != VIR_CPU_MODE_HOST_PASSTHROUGH &&
> > > > + def->mode != VIR_CPU_MODE_MAXIMUM) {
> > > > virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> > > > _("Attribute migratable is only allowed for "
> > > > - "host-passthrough CPU"));
> > > > + "'host-passthrough' / 'maximum' CPU mode"));
> > >
> > > Since you are modifying the error message I would reformat it to single
> > > line.
> >
> > That'd would make the line waaaaay longer than normal practice. I know
> > we don't need to strictly stick to 80 chars, but at the same time we
> > don't want things massively long.
>
> I'm aware of that. We did not change all errors and we probably don't
> have a syntax-check for that but there was an agreement while ago that
> for error messages we can ignore the 80 chars limit [1].
Within reason I think that's ok, but I think this example gets a bit
too long at nearly 120 chars
>
> Feel free to push it like it is, I just wanted to point out that and
> personally I try to change errors to single line if I have to modify
> them
>
> Pavel
>
> [1] <https://libvirt.org/coding-style.html#error-message-format>
The example here was already under 80 chars even when on one
line.
Regards,
Daniel
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