On Wed, 2020-10-28 at 14:37 -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > The patch titled > Subject: checkpatch: update __attribute__((section("name"))) quote removal > has been added to the -mm tree. Its filename is > checkpatch-update-__attribute__sectionname-quote-removal.patch > > This patch should soon appear at > https://ozlabs.org/~akpm/mmots/broken-out/checkpatch-update-__attribute__sectionname-quote-removal.patch > and later at > https://ozlabs.org/~akpm/mmotm/broken-out/checkpatch-update-__attribute__sectionname-quote-removal.patch > > Before you just go and hit "reply", please: > a) Consider who else should be cc'ed > b) Prefer to cc a suitable mailing list as well > c) Ideally: find the original patch on the mailing list and do a > reply-to-all to that, adding suitable additional cc's > > *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** > > The -mm tree is included into linux-next and is updated > there every 3-4 working days > > ------------------------------------------------------ > From: Joe Perches <joe@xxxxxxxxxxx> > Subject: checkpatch: update __attribute__((section("name"))) quote removal > > commit 33def8498fdd ("treewide: Convert macro and uses of > __section(foo) to __section("foo")") removed the stringification of the > section name and now requires quotes around the named section. > > Update checkpatch to not remove any quotes when suggesting conversion > of __attribute__((section("name"))) to __section("name") > > Miscellanea: > > o Add section to the hash with __section replacement > o Remove separate test for __attribute__((section > o Remove the limitation on converting attributes containing only > known, possible conversions. Any unknown attribute types are now > left as-is and known types are converted and moved before > __attribute__ and removed from within the __attribute__((list...)). > > Link: https://lkml.kernel.org/r/c04dd1c810e8d6a68e6a632e3191ae91651c8edf.camel@xxxxxxxxxxx > Signed-off-by: Joe Perches <joe@xxxxxxxxxxx> > Cc: Dwaipayan Ray <dwaipayanray1@xxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> This is a slightly shorter/better patch as it eliminates the separate test below the possible conversions loop. Can you substitute it please Andrew? --- scripts/checkpatch.pl | 47 +++++++++++++++-------------------------------- 1 file changed, 15 insertions(+), 32 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 7800a090e8fe..58095d9d8f34 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -6216,50 +6216,33 @@ sub process { "noreturn" => "__noreturn", "packed" => "__packed", "pure" => "__pure", + "section" => "__section", "used" => "__used" ); - my @conv_array = (); - my $conv_possible = 1; - while ($attr =~ /\s*(\w+)\s*(${balanced_parens})?/g) { - my $curr_attr = $1; + my $orig_attr = $1; my $params = ''; $params = $2 if defined($2); + my $curr_attr = $orig_attr; $curr_attr =~ s/^[\s_]+|[\s_]+$//g; - if (exists($attr_list{$curr_attr})) { + my $new = $attr_list{$curr_attr}; if ($curr_attr eq "format" && $params) { $params =~ /^\s*\(\s*(\w+)\s*,\s*(.*)/; - push(@conv_array, "__$1\($2"); + $new = "__$1\($2"; } else { - my $new = $attr_list{$curr_attr}; - push(@conv_array, "$new$params"); + $new = "$new$params"; + } + if (WARN("PREFER_DEFINED_ATTRIBUTE_MACRO", + "Prefer $new over __attribute__(($orig_attr$params))\n" . $herecurr) && + $fix) { + my $remove = "\Q$orig_attr\E" . '\s*' . "\Q$params\E" . '(?:\s*,\s*)?'; + $fixed[$fixlinenr] =~ s/$remove//; + $fixed[$fixlinenr] =~ s/\b__attribute__/$new __attribute__/; + $fixed[$fixlinenr] =~ s/\}\Q$new\E/} $new/; + $fixed[$fixlinenr] =~ s/ __attribute__\s*\(\s*\(\s*\)\s*\)//; } - } else { - $conv_possible = 0; - last; - } - } - - if (scalar @conv_array > 0 && $conv_possible == 1) { - my $replace = join(' ', @conv_array); - if (WARN("PREFER_DEFINED_ATTRIBUTE_MACRO", - "$replace is preferred over __attribute__(($attr))\n" . $herecurr) && - $fix) { - $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*\Q$attr\E\s*\)\s*\)/$replace/; - $fixed[$fixlinenr] =~ s/\}\Q$replace\E/} $replace/; - } - } - - # Check for __attribute__ section, prefer __section - if ($attr =~ /^_*section_*\s*\(\s*("[^"]*")/) { - my $old = substr($attr, $-[1], $+[1] - $-[1]); - my $new = substr($old, 1, -1); - if (WARN("PREFER_DEFINED_ATTRIBUTE_MACRO", - "__section($new) is preferred over __attribute__((section($old)))\n" . $herecurr) && - $fix) { - $fixed[$fixlinenr] =~ s/\b__attribute__\s*\(\s*\(\s*_*section_*\s*\(\s*\Q$old\E\s*\)\s*\)\s*\)/__section($new)/; } }