Re: [PATCH] lib: test_bpf: purge CPP register redefinitions

From: David Miller
Date: Tue Jun 23 2015 - 09:35:22 EST


From: Nicolai Stange <nicstange@xxxxxxxxx>
Date: Sun, 21 Jun 2015 21:41:03 +0200

> Fix compilation failer with allmodconfig on ARCH=um:
> lib/test_bpf.c:50:0: warning: "R8" redefined
> #define R8 BPF_REG_8
> ^
> In file included from arch/um/include/asm/ptrace-generic.h:11:0,
> from arch/x86/um/asm/ptrace.h:8,
> from arch/x86/include/asm/alternative.h:8,
> from arch/x86/include/asm/bitops.h:16,
> from include/linux/bitops.h:36,
> from include/linux/kernel.h:10,
> from include/linux/list.h:8,
> from include/linux/module.h:9,
> from lib/test_bpf.c:19:
> arch/x86/include/uapi/asm/ptrace-abi.h:42:0:
> note: this is the location of the previous definition
> #define R8 72
>
> Get rid of the
> #define Rx BPF_REG_x
> defines by substituting the Rx macros with their BPF_REG_x expansion
> in test_bpf.c.
>
> Signed-off-by: Nicolai Stange <nicstange@xxxxxxxxx>

Applied, thanks.
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