linux-kernel - [PATCH 01/13] x86: protect simd.h header file

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Message-Id: <20221219220223.3982176-2-elliott@hpe.com>
Date:   Mon, 19 Dec 2022 16:02:11 -0600
From:   Robert Elliott <elliott@....com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net, Jason@...c4.com,
        ardb@...nel.org, ap420073@...il.com, David.Laight@...LAB.COM,
        ebiggers@...nel.org, tim.c.chen@...ux.intel.com, peter@...jl.ca,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com
Cc:     linux-crypto@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, Robert Elliott <elliott@....com>
Subject: [PATCH 01/13] x86:  protect simd.h header file

Add the usual #ifndef/#define construct around the contents of simd.h
so it doesn't confuse the C pre-processor if included by multiple
include files.

Fixes: 801201aa2564 ("crypto: move x86 to the generic version of ablk_helper")
Signed-off-by: Robert Elliott <elliott@....com>
---
 arch/x86/include/asm/simd.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/simd.h b/arch/x86/include/asm/simd.h
index a341c878e977..bd9c672a2792 100644
--- a/arch/x86/include/asm/simd.h
+++ b/arch/x86/include/asm/simd.h
@@ -1,4 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_SIMD_H
+#define _ASM_X86_SIMD_H
 
 #include <asm/fpu/api.h>
 
@@ -10,3 +12,5 @@ static __must_check inline bool may_use_simd(void)
 {
 	return irq_fpu_usable();
 }
+
+#endif /* _ASM_X86_SIMD_H */
-- 
2.38.1