linux-kernel - [PATCH 5.4 32/34] ARM: crypto: comment out gcc warning that breaks clang builds

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Date:   Mon,  1 Aug 2022 13:47:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        "Justin M. Forbes" <jforbes@...oraproject.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Nicolas Pitre <nico@...aro.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH 5.4 32/34] ARM: crypto: comment out gcc warning that breaks clang builds

From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

The gcc build warning prevents all clang-built kernels from working
properly, so comment it out to fix the build.

This is a -stable kernel only patch for now, it will be resolved
differently in mainline releases in the future.

Cc: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: "Justin M. Forbes" <jforbes@...oraproject.org>
Cc: Ard Biesheuvel <ardb@...nel.org>
Acked-by: Arnd Bergmann <arnd@...db.de>
Cc: Nicolas Pitre <nico@...aro.org>
Cc: Nathan Chancellor <nathan@...nel.org>
Cc: Nick Desaulniers <ndesaulniers@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm/lib/xor-neon.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/arm/lib/xor-neon.c
+++ b/arch/arm/lib/xor-neon.c
@@ -26,8 +26,9 @@ MODULE_LICENSE("GPL");
  * While older versions of GCC do not generate incorrect code, they fail to
  * recognize the parallel nature of these functions, and emit plain ARM code,
  * which is known to be slower than the optimized ARM code in asm-arm/xor.h.
+ *
+ * #warning This code requires at least version 4.6 of GCC
  */
-#warning This code requires at least version 4.6 of GCC
 #endif
 
 #pragma GCC diagnostic ignored "-Wunused-variable"