kbuild: in headers_install autoconvert asm/inline/volatile to __xxx__

Headers in userspace should be using the __xxx__ form of the asm, inline,
and volatile keywords.  Since people like to revert these things without
realizing what's going on, have the headers install step autoconvert these
keywords.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
index 7d2b4146e02f..c6ae4052ab43 100644
--- a/scripts/headers_install.pl
+++ b/scripts/headers_install.pl
@@ -36,6 +36,9 @@ foreach my $file (@files) {
                 $line =~ s/\s__attribute_const__\s/ /g;
                 $line =~ s/\s__attribute_const__$//g;
                 $line =~ s/^#include <linux\/compiler.h>//;
+                $line =~ s/(^|\s)(inline)\b/$1__$2__/g;
+                $line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
+                $line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
                 printf OUTFILE "%s", $line;
         }
         close OUTFILE;