[PATCH v7 04/20] arm64: smccc: Include alternative-macros.h

Elliot Berman quic_eberman at quicinc.com
Mon Nov 21 05:59:53 PST 2022


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

In file included from arch/arm64/gunyah/gunyah_hypercall.c:6:
arch/arm64/gunyah/gunyah_hypercall.c: In function `gh_hypercall_msgq_send':
./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 at quicinc.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)
-- 
2.25.1




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