perf tools: Fix include for non x86 architectures
Commit 71ae8aac ("lib: introduce arch optimized hash library") added an include to <linux/hash.h> for setting up an architecture specific fast hash. Since perf includes directly the non-uapi kernel header, it cannot find <asm/hash.h> on non-x86 and thus prevents perf to be compiled on every architecture other than x86. The problem is the inclusion of <asm/hash.h> in hash.h that results in the following error originating from util/evlist.c: fatal error: asm/hash.h: No such file or directory This commit simply adds an empty <asm/hash.h> stub/file to fix the compile issue on non-x86 architectures. As perf does not use any of these new functions, it fixes the compilation and therefore seems to be the most appropriate solution to go with. Signed-off-by: Francesco Fusco <ffusco@redhat.com> Link: http://lkml.kernel.org/r/2cf8143aad65a6aa6fe30325ef8a65847141afa2.1390829373.git.ffusco@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#ifndef __ASM_GENERIC_HASH_H
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#define __ASM_GENERIC_HASH_H
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/* Stub */
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#endif /* __ASM_GENERIC_HASH_H */
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