On Mon, 2017-11-27 at 10:38 +0000, Mark Rutland wrote:
> Now that ACCESS_ONCE() has been excised from the kernel, any uses will
> result in a build error, and we no longer need to whine about it in
> checkpatch.
>
> This patch removes the newly redundant warning.
Acked-by: Joe Perches <j...@perches.com>
Normally, I send checkpatch patches via Andrew Morton,
but this could be merged this directly.
> Signed-off-by: Mark Rutland <mark.rutl...@arm.com>
> Cc: Andy Whitcroft <a...@canonical.com>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: Joe Perches <j...@perches.com>
> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com>
> Cc: Peter Zijlstra <pet...@infradead.org>
> ---
> scripts/checkpatch.pl | 22 ----------------------
> 1 file changed, 22 deletions(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 95cda3ecc66b..95c08493b78b 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -6233,28 +6233,6 @@ sub process {
> }
> }
>
> -# whine about ACCESS_ONCE
> - if ($^V && $^V ge 5.10.0 &&
> - $line =~
> /\bACCESS_ONCE\s*$balanced_parens\s*(=(?!=))?\s*($FuncArg)?/) {
> - my $par = $1;
> - my $eq = $2;
> - my $fun = $3;
> - $par =~ s/^\(\s*(.*)\s*\)$/$1/;
> - if (defined($eq)) {
> - if (WARN("PREFER_WRITE_ONCE",
> - "Prefer WRITE_ONCE(<FOO>, <BAR>) over
> ACCESS_ONCE(<FOO>) = <BAR>\n" . $herecurr) &&
> - $fix) {
> - $fixed[$fixlinenr] =~
> s/\bACCESS_ONCE\s*\(\s*\Q$par\E\s*\)\s*$eq\s*\Q$fun\E/WRITE_ONCE($par, $fun)/;
> - }
> - } else {
> - if (WARN("PREFER_READ_ONCE",
> - "Prefer READ_ONCE(<FOO>) over
> ACCESS_ONCE(<FOO>)\n" . $herecurr) &&
> - $fix) {
> - $fixed[$fixlinenr] =~
> s/\bACCESS_ONCE\s*\(\s*\Q$par\E\s*\)/READ_ONCE($par)/;
> - }
> - }
> - }
> -
> # check for mutex_trylock_recursive usage
> if ($line =~ /mutex_trylock_recursive/) {
> ERROR("LOCKING",
