On 27/09/2016 17:14, riku.voi...@linaro.org wrote: > From: Riku Voipio <riku.voi...@linaro.org> > > Linux-user and bsd-user code need ifdef guards for new system > calls that aren't implemented on all host/target combinations. > Allow ifdefs for system calls when defined as __NR_foo. > > Signed-off-by: Riku Voipio <riku.voi...@linaro.org> > --- > scripts/checkpatch.pl | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > index 3afa19a..e17f445 100755 > --- a/scripts/checkpatch.pl > +++ b/scripts/checkpatch.pl > @@ -2405,8 +2405,10 @@ sub process { > } > # check of hardware specific defines > # we have e.g. CONFIG_LINUX and CONFIG_WIN32 for common cases > -# where they might be necessary. > - if ($line =~ m@^.\s*\#\s*if.*\b__@) { > +# where they might be necessary. Ignore __NR and __TARGET_NR > +# definitions that are needed for linux-user builds > + if (($line =~ m@^.\s*\#\s*if.*\b__@) && > + !($realfile =~ /^(linux|bsd)-user/ && $line =~ /__NR_/)) { > WARN("architecture specific defines should be > avoided\n" . $herecurr); > } > >
Acked-by: Paolo Bonzini <pbonz...@redhat.com>