On 26.01.2017 16:09, Markus Armbruster wrote: > Block backends defined with -drive if=ide are meant to be picked up by > machine initialization code: a suitable frontend gets created and > wired up automatically. > > if=ide drives not picked up that way can still be used with -device as > if they had if=none, but that's unclean and best avoided. Unused ones > produce an "Orphaned drive without device" warning. > > -drive parameter "if" is optional, and the default depends on the > machine type. If a machine type doesn't specify a default, the > default is "ide". > > Many machine types default to if=ide, even though they don't actually > have an IDE controller. A future patch will change these defaults to > something more sensible. To prepare for it, this patch makes default > "ide" explicit for the machines that actually pick up if=ide drives: > > * alpha: clipper > * arm/aarch64: spitz borzoi terrier tosa > * i386/x86_64: generic-pc-machine (with concrete subtypes pc-q35-* > pc-i440fx-* pc-* isapc xenfv) > * mips64el: fulong2e
Slightly off-topic, but: Is fulong2e still maintained? I did not spot an entry in MAINTAINERS...? > * mips/mipsel/mips64el: malta mips > * ppc/ppc64: mac99 g3beige prep > * sh4/sh4eb: r2d > * sparc64: sun4u sun4v > > Note that ppc64 machine powernv already sets an "ide" default > explicitly. Its IDE controller isn't implemented, yet. > > Signed-off-by: Markus Armbruster <arm...@redhat.com> > --- > hw/alpha/dp264.c | 1 + > hw/arm/spitz.c | 3 +++ > hw/arm/tosa.c | 1 + > hw/i386/pc.c | 1 + > hw/mips/mips_fulong2e.c | 1 + > hw/mips/mips_malta.c | 1 + > hw/mips/mips_r4k.c | 1 + > hw/ppc/mac_newworld.c | 1 + > hw/ppc/mac_oldworld.c | 1 + > hw/ppc/prep.c | 1 + > hw/sh4/r2d.c | 1 + > hw/sparc64/sun4u.c | 2 ++ > 12 files changed, 15 insertions(+) Patch looks right to me. Reviewed-by: Thomas Huth <th...@redhat.com>