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

Elliot Berman
2022-11-21T14:02:33Z

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@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