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* [PATCH] kbuild: uapi: Drop check_config()
@ 2025-12-30  7:09 Thomas Weißschuh
  2025-12-30  8:27 ` Nicolas Schier
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas Weißschuh @ 2025-12-30  7:09 UTC (permalink / raw)
  To: Nathan Chancellor, Nicolas Schier
  Cc: linux-kbuild, linux-kernel, Thomas Weißschuh

headers_install.sh already tests for CONFIG symbols. It does so in a
more comprehensive way, by only checking for references in code and
also running even if CONFIG_UAPI_HEADER_TEST is disabled.
And check_config() has been disabled any case.

Drop the pointless check.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
 usr/include/headers_check.pl | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/usr/include/headers_check.pl b/usr/include/headers_check.pl
index af5a513eaa00..6cd6eb652c8d 100755
--- a/usr/include/headers_check.pl
+++ b/usr/include/headers_check.pl
@@ -40,7 +40,6 @@ foreach my $file (@files) {
 		&check_include();
 		&check_asm_types();
 		&check_declarations();
-		# Dropped for now. Too much noise &check_config();
 	}
 	close $fh;
 }
@@ -77,13 +76,6 @@ sub check_declarations
 	}
 }
 
-sub check_config
-{
-	if ($line =~ m/[^a-zA-Z0-9_]+CONFIG_([a-zA-Z0-9_]+)[^a-zA-Z0-9_]/) {
-		printf STDERR "$filename:$lineno: leaks CONFIG_$1 to userspace where it is not valid\n";
-	}
-}
-
 my $linux_asm_types;
 sub check_asm_types
 {

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251229-uapi-check_config-8aa43e365846

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@linutronix.de>


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] kbuild: uapi: Drop check_config()
  2025-12-30  7:09 [PATCH] kbuild: uapi: Drop check_config() Thomas Weißschuh
@ 2025-12-30  8:27 ` Nicolas Schier
  0 siblings, 0 replies; 2+ messages in thread
From: Nicolas Schier @ 2025-12-30  8:27 UTC (permalink / raw)
  To: Thomas Weißschuh; +Cc: Nathan Chancellor, linux-kbuild, linux-kernel

On Tue, Dec 30, 2025 at 08:09:29AM +0100, Thomas Weißschuh wrote:
> headers_install.sh already tests for CONFIG symbols. It does so in a
> more comprehensive way, by only checking for references in code and
> also running even if CONFIG_UAPI_HEADER_TEST is disabled.
> And check_config() has been disabled any case.
> 
> Drop the pointless check.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
> ---
>  usr/include/headers_check.pl | 8 --------
>  1 file changed, 8 deletions(-)

Thanks for spotting!

Reviewed-by: Nicolas Schier <nsc@kernel.org>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2025-12-30  8:33 UTC | newest]

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