On Mon, Dec 03, 2018 at 04:18:16PM +0000, Andrew Cooper wrote: > For gen-cpuid.py, fix a comment describing self.names, and generate the > reverse mapping in self.values. Write out INIT_FEATURE_NAMES which maps a > string name to a bit position. > > For parse_cpuid(), introduce a slightly fuzzy strcmp() to accept changes in > punctuation, and perform a binary search over INIT_FEATURE_NAMES. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > --- > CC: Jan Beulich <jbeul...@suse.com> > CC: Wei Liu <wei.l...@citrix.com> > CC: Roger Pau Monné <roger....@citrix.com> > > Slightly RFC, because I'm not entirely certain if this is a good idea or not. > --- > xen/arch/x86/cpuid.c | 91 > ++++++++++++++++++++++++++++++++++++-------------- > xen/tools/gen-cpuid.py | 22 ++++++++++-- > 2 files changed, 86 insertions(+), 27 deletions(-) > > diff --git a/xen/arch/x86/cpuid.c b/xen/arch/x86/cpuid.c > index 0591a7d..eb86a86 100644 > --- a/xen/arch/x86/cpuid.c > +++ b/xen/arch/x86/cpuid.c > @@ -18,9 +18,34 @@ static const uint32_t hvm_shadow_featuremask[] = > INIT_HVM_SHADOW_FEATURES; > static const uint32_t hvm_hap_featuremask[] = INIT_HVM_HAP_FEATURES; > static const uint32_t deep_features[] = INIT_DEEP_FEATURES; > > +/* > + * Works like strcmp(), but customised specifically for this usecase. 'name' > + * is a NUL terminated string. 's' is considered to match 'name' if the NUL > + * terminator of 'name' match punctiation in 's'.
"punctuation". Wei. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
