On 07/12/17 09:26 -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Jul 12, 2017 at 10:04:40AM +0800, Haozhong Zhang wrote:
> > If option '-l' or '--lmce' is specified and the host supports LMCE,
> > xen-mceinj will inject LMCE to CPU specified by '-c' (or CPU0 if '-c'
> > is not present).
> >
> > Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
> > Acked-by: Wei Liu <wei.l...@citrix.com>
> > ---
> > Cc: Ian Jackson <ian.jack...@eu.citrix.com>
> > Cc: Wei Liu <wei.l...@citrix.com>
> > ---
> > tools/tests/mce-test/tools/xen-mceinj.c | 50
> > +++++++++++++++++++++++++++++++--
> > 1 file changed, 48 insertions(+), 2 deletions(-)
> >
> > diff --git a/tools/tests/mce-test/tools/xen-mceinj.c
> > b/tools/tests/mce-test/tools/xen-mceinj.c
> > index bae5a46eb5..380e42190c 100644
> > --- a/tools/tests/mce-test/tools/xen-mceinj.c
> > +++ b/tools/tests/mce-test/tools/xen-mceinj.c
[..]
> >
> > +static int inject_lmce(xc_interface *xc_handle, unsigned int cpu)
> > +{
> > + uint8_t *cpumap = NULL;
> > + size_t cpumap_size, line, shift;
> > + unsigned int nr_cpus;
> > + int ret;
> > +
> > + nr_cpus = mca_cpuinfo(xc_handle);
> > + if ( !nr_cpus )
> > + err(xc_handle, "Failed to get mca_cpuinfo");
> > + if ( cpu >= nr_cpus )
> > + err(xc_handle, "-c %u is larger than %u", cpu, nr_cpus - 1);
> > +
> > + cpumap_size = (nr_cpus + 7) / 8;
>
> bitmap_size
>
IIUC, these bitmap_* functions/macros are libxc internals and should
not be used here.
Haozhong
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