linux-kernel - [PATCH RFC 1/3] arm64: Gate inclusion of asm/sysreg.h by __EMITTING_BPF_

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Date:   Thu, 15 Jun 2017 15:35:41 -0700
From:   David Daney <david.daney@...ium.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        ralf@...ux-mips.org, Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     David Daney <david.daney@...ium.com>
Subject: [PATCH RFC 1/3] arm64: Gate inclusion of asm/sysreg.h by __EMITTING_BPF__

Compilation to eBPF chokes on the inline asm in asm/sysreg.h, so don't
include it when compiling to a BPF target.

Signed-off-by: David Daney <david.daney@...ium.com>
---
 arch/arm64/include/asm/sysreg.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 15c142ce991c..faa8f853e369 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -20,6 +20,8 @@
 #ifndef __ASM_SYSREG_H
 #define __ASM_SYSREG_H
 
+#ifndef __EMITTING_BPF__
+
 #include <linux/stringify.h>
 
 /*
@@ -502,5 +504,5 @@ static inline void config_sctlr_el1(u32 clear, u32 set)
 }
 
 #endif
-
+#endif  /* __EMITTING_BPF__ */
 #endif	/* __ASM_SYSREG_H */
-- 
2.11.0