Re: [Xen-devel] [PATCH v9 06/16] x86: implement get hw info flow for MBA

[Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx>]

On 17-12-15 03:09:26, Jan Beulich wrote:
> >>> On 20.10.17 at 10:28, <yi.y.sun@xxxxxxxxxxxxxxx> wrote:
> > --- a/xen/arch/x86/sysctl.c
> > +++ b/xen/arch/x86/sysctl.c
> > @@ -174,7 +174,7 @@ long arch_do_sysctl(
> >      case XEN_SYSCTL_psr_alloc:
> >          switch ( sysctl->u.psr_alloc.cmd )
> >          {
> > -            uint32_t data[PSR_INFO_ARRAY_SIZE];
> > +            uint32_t data[PSR_INFO_ARRAY_SIZE] = { };
> >  
> >          case XEN_SYSCTL_PSR_get_l3_info:
> >          {
> 
> This validly failed my commit time build check: gcc 7.2 warns about
> the code which would be generated would never be executed. I'm
> therefore going to push only the first five patches of this series.
> 
Thank you! I have upgraded my gcc to 7.2 and fixed this issue. The new
patch has been sent. All later patches have been compiled successfully
with gcc 7.2. So please go on merging them. Thanks!

> Jan

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