Re: [PATCH] bpf: samples: exclude asm/sysreg.h for arm64

From	Alexei Starovoitov <alexei.starovoitov@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] bpf: samples: exclude asm/sysreg.h for arm64
Date	2015-11-12 23:50 +0100
Message-ID	<qu8QN-6y0-1@gated-at.bofh.it> (permalink)
References	<qu8xr-6ry-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Nov 12, 2015 at 02:07:46PM -0800, Yang Shi wrote:
> commit 338d4f49d6f7114a017d294ccf7374df4f998edc
> ("arm64: kernel: Add support for Privileged Access Never") includes sysreg.h
> into futex.h and uaccess.h. But, the inline assembly used by asm/sysreg.h is
> incompatible with llvm so it will cause BPF samples build failure for ARM64.
> Since sysreg.h is useless for BPF samples, just exclude it from Makefile via
> defining __ASM_SYSREG_H.
> 
> Signed-off-by: Yang Shi <yang.shi@linaro.org>

not the prettiest fix, but good enough for sample code.
Acked-by: Alexei Starovoitov <ast@kernel.org>

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[PATCH] bpf: samples: exclude asm/sysreg.h for arm64 Yang Shi <yang.shi@linaro.org> - 2015-11-12 23:30 +0100
  Re: [PATCH] bpf: samples: exclude asm/sysreg.h for arm64 Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2015-11-12 23:50 +0100

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