linux-kernel - [PATCH] arm64: smccc: Include alternative-macros.h

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Message-ID: <20230112182548.537295-1-quic_eberman@quicinc.com>
Date:   Thu, 12 Jan 2023 10:25:47 -0800
From:   Elliot Berman <quic_eberman@...cinc.com>
To:     Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>
CC:     Elliot Berman <quic_eberman@...cinc.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: smccc: Include alternative-macros.h

Fix build error when CONFIG_ARM64_SVE is selected and
asm/alternative-macros.h wasn't implicitly included by another header.

./include/linux/arm-smccc.h:387:25: error: expected string literal before `ALTERNATIVE'
  387 | #define SMCCC_SVE_CHECK ALTERNATIVE("nop \n",  "bl __arm_smccc_sve_check \n", \

Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
---
 include/linux/arm-smccc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 220c8c60e021..6a627cdbbdec 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -383,6 +383,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
 
 /* nVHE hypervisor doesn't have a current thread so needs separate checks */
 #if defined(CONFIG_ARM64_SVE) && !defined(__KVM_NVHE_HYPERVISOR__)
+#include <asm/alternative-macros.h>
 
 #define SMCCC_SVE_CHECK ALTERNATIVE("nop \n",  "bl __arm_smccc_sve_check \n", \
 				    ARM64_SVE)

base-commit: 68a63a412d18bd2e2577c8928139f92541afa7a6
-- 
2.39.0