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Re: [PATCH-for-5.2 v3 2/4] hw/9pfs: Fix Kconfig dependency problem between 9pfs and Xen



On Wed, 04 Nov 2020 13:18:09 +0100
Christian Schoenebeck <qemu_oss@xxxxxxxxxxxxx> wrote:

> On Mittwoch, 4. November 2020 12:57:04 CET Philippe Mathieu-Daudé wrote:
> > Commit b2c00bce54c ("meson: convert hw/9pfs, cleanup") introduced
> > CONFIG_9PFS (probably a wrong conflict resolution). This config is
> > not used anywhere. Backends depend on CONFIG_FSDEV_9P which itself
> > depends on CONFIG_VIRTFS.
> > 
> > Remove the invalid CONFIG_9PFS and use CONFIG_FSDEV_9P instead, to
> > fix the './configure --without-default-devices --enable-xen' build:
> > 
> >   /usr/bin/ld: libcommon.fa.p/hw_xen_xen-legacy-backend.c.o: in function
> > `xen_be_register_common': hw/xen/xen-legacy-backend.c:754: undefined
> > reference to `xen_9pfs_ops' /usr/bin/ld:
> > libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x8): undefined reference to
> > `local_ops' /usr/bin/ld:
> > libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x20): undefined reference
> > to `synth_ops' /usr/bin/ld:
> > libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x38): undefined reference
> > to `proxy_ops' collect2: error: ld returned 1 exit status
> > 
> > Fixes: b2c00bce54c ("meson: convert hw/9pfs, cleanup")
> > Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> > Acked-by: Greg Kurz <groug@xxxxxxxx>
> > Tested-by: Greg Kurz <groug@xxxxxxxx>
> > Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
> 
> Acked-by: Christian Schoenebeck <qemu_oss@xxxxxxxxxxxxx>
> 

Phil,

Same questioning as Connie. Do you intend to get this merged or should
Christian or I take care of that ?

> > ---
> > v2: Reworded description (Greg)
> > 
> > Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> > Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
> > Cc: Paul Durrant <paul@xxxxxxx>
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> > Cc: Greg Kurz <groug@xxxxxxxx>
> > Cc: Christian Schoenebeck <qemu_oss@xxxxxxxxxxxxx>
> > ---
> >  hw/9pfs/Kconfig     | 4 ----
> >  hw/9pfs/meson.build | 2 +-
> >  2 files changed, 1 insertion(+), 5 deletions(-)
> > 
> > diff --git a/hw/9pfs/Kconfig b/hw/9pfs/Kconfig
> > index d3ebd737301..3ae57496613 100644
> > --- a/hw/9pfs/Kconfig
> > +++ b/hw/9pfs/Kconfig
> > @@ -2,12 +2,8 @@ config FSDEV_9P
> >      bool
> >      depends on VIRTFS
> > 
> > -config 9PFS
> > -    bool
> > -
> >  config VIRTIO_9P
> >      bool
> >      default y
> >      depends on VIRTFS && VIRTIO
> >      select FSDEV_9P
> > -    select 9PFS
> > diff --git a/hw/9pfs/meson.build b/hw/9pfs/meson.build
> > index cc094262122..99be5d91196 100644
> > --- a/hw/9pfs/meson.build
> > +++ b/hw/9pfs/meson.build
> > @@ -15,6 +15,6 @@
> >    'coxattr.c',
> >  ))
> >  fs_ss.add(when: 'CONFIG_XEN', if_true: files('xen-9p-backend.c'))
> > -softmmu_ss.add_all(when: 'CONFIG_9PFS', if_true: fs_ss)
> > +softmmu_ss.add_all(when: 'CONFIG_FSDEV_9P', if_true: fs_ss)
> > 
> >  specific_ss.add(when: 'CONFIG_VIRTIO_9P', if_true:
> > files('virtio-9p-device.c'))
> 
> Best regards,
> Christian Schoenebeck
> 
> 




 


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