On Wed, Mar 05, 2014 at 05:57:10PM +0100, Igor Mammedov wrote: > On Wed, 05 Mar 2014 17:06:15 +0100 > Andreas Färber <afaer...@suse.de> wrote: > > > Am 05.03.2014 16:04, schrieb Igor Mammedov: > > > On Tue, 4 Mar 2014 03:55:44 +0100 > > > Andreas Färber <afaer...@suse.de> wrote: > > > > > >> Adapt the X86CPU implementation to suit the generic hook. > > >> This involves a cleanup of error handling to cope with NULL errp. > > >> > > >> Signed-off-by: Andreas Färber <afaer...@suse.de> > > >> --- > > >> include/qom/cpu.h | 3 +++ > > >> target-i386/cpu.c | 36 +++++++++++++++++++++--------------- > > >> 2 files changed, 24 insertions(+), 15 deletions(-) > > >> > > >> diff --git a/include/qom/cpu.h b/include/qom/cpu.h > > >> index 64ebfa5..43d253a 100644 > > >> --- a/include/qom/cpu.h > > >> +++ b/include/qom/cpu.h > > >> @@ -67,6 +67,8 @@ struct TranslationBlock; > > >> * CPUClass: > > >> * @class_by_name: Callback to map -cpu command line model name to an > > >> * instantiatable CPU type. > > >> + * @parse_features: Callback to parse command line arguments. > > >> + * The argument may be modified by the callback. > > > Could you specify which argument is expected to be modified? > > > > Like so? "The arguments (%str) may be modified by the callback." > > > > Alternatively I could drop that line, given that it's not const char *. > > Or add a typedef for the callback and document it there using @str syntax. > I'd prefer to drop it. > > BTW: why is 'str' modified by callback?
Allowing it to be modified allows (for example) strtok() to be used (like we do on the i386 code today). So I don't see a reason to forbid it. -- Eduardo