Hi On Mon, Dec 18, 2017 at 1:49 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > On 15/12/2017 19:18, Marc-André Lureau wrote: >> Instead of an error, lower to a warning message, assuming the comment >> gives some justification. >> >> Discussed in: >> '[Qemu-devel] [PATCH] dump-guest-memory.py: fix "You can't do that without a >> process to debug"' >> >> Suggested-by: Fam Zheng <f...@redhat.com> >> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > > We can drop the error at all if there is a comment. Also, "volatile > sig_atomic_t" is probably self-explanatory and usually correct. So what > about this: > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > index f5a523af10..3dc27d9656 100755 > --- a/scripts/checkpatch.pl > +++ b/scripts/checkpatch.pl > @@ -2475,13 +2475,11 @@ sub process { > > # no volatiles please > my $asm_volatile = > qr{\b(__asm__|asm)\s+(__volatile__|volatile)\b}; > - if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { > - my $msg = "Use of volatile is usually wrong: see > Documentation/volatile-considered-harmful.txt\n" . $herecurr; > - if (ctx_has_comment($first_line, $linenr)) { > - WARN($msg); > - } else { > - ERROR($msg); > - } > + if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/ && > + $line !~ /sig_atomic_t/ && > + !ctx_has_comment($first_line, $linenr)) { > + my $msg = "Use of volatile is usually wrong, please > add a comment\n" . $herecurr; > + ERROR($msg); > } >
Fine for me, can you send a proper patch? Thanks -- Marc-André Lureau