Hi Paolo,

Slight nit on the subject line, did you mean to s/with/without/ -
that seems to reflect the change in the patch more correctly.

Thanks,

Darren.

On Mon, Dec 18, 2017 at 01:49:52PM +0100, Paolo Bonzini 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);
                }

# warn about #if 0


Reply via email to