On Fri, 5 Jul 2024 02:39:51 +0000
"Zhijian Li (Fujitsu)" <lizhij...@fujitsu.com> wrote:
> On 04/07/2024 17:34, Zhao Liu wrote:
> > From: Zhao Liu <zhao1....@intel.com>
> >
> > Guest crashes (Segmentation fault) when getting cxl-fmw property via
> > qmp:
> >
>
> IMO, it's fair to say "Guest crashes" which generally means the guest kernel
> panic etc.
> I'd prefer the subject like:
> hw/cxl/cxl-host: Fix segmentation fault when getting cxl-fmw property
Agreed. I've picked this up and edited the description.
I've just hit send on a v2 of the misc minor fixes series with this
replacing the patch that dropped cfmws_list
Thanks,
Jonathan
>
>
> Otherwise,
>
> Reviewed-by: Li Zhijian <lizhij...@fujitsu.com>
>
>
> > (QEMU) qom-get path=machine property=cxl-fmw
> >
> > This issue is caused by accessing wrong callback (opaque) type in
> > machine_get_cfmw().
> >
> > cxl_machine_init() sets the callback as `CXLState *` type but
> > machine_get_cfmw() treats the callback as
> > `CXLFixedMemoryWindowOptionsList **`.
> >
> > Fix this error by casting opaque to `CXLState *` type in
> > machine_get_cfmw().
> >
> > Fixes: 03b39fcf64bc ("hw/cxl: Make the CXL fixed memory window setup a
> > machine parameter.")
> > Signed-off-by: Zhao Liu <zhao1....@intel.com>
> > ---
> > hw/cxl/cxl-host.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
> > index c5f5fcfd64d0..e9f2543c43c6 100644
> > --- a/hw/cxl/cxl-host.c
> > +++ b/hw/cxl/cxl-host.c
> > @@ -315,7 +315,8 @@ static void machine_set_cxl(Object *obj, Visitor *v,
> > const char *name,
> > static void machine_get_cfmw(Object *obj, Visitor *v, const char *name,
> > void *opaque, Error **errp)
> > {
> > - CXLFixedMemoryWindowOptionsList **list = opaque;
> > + CXLState *state = opaque;
> > + CXLFixedMemoryWindowOptionsList **list = &state->cfmw_list;
> >
> > visit_type_CXLFixedMemoryWindowOptionsList(v, name, list, errp);
> >
