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SubjectRe: [PATCH] perf: Add util/include/linux/config.h for including generated autoconf.h of kernel
(2010年01月29日 07:27), Paul Mackerras wrote:
> On Thu, Jan 28, 2010 at 11:28:48PM +0900, Hitoshi Mitake wrote:
>> I'd like to add util/include/linux/config.h,
>> this header file includes autoconf.h which is generated
>> by build phase of kernel.
>> This makes building of perf depend on building of kernel.
>> It's a little dirty. But perf has tight relation
>> of its kernel, so I don't think that it is a serious problem.
>> My original purpose of making this patch is
>> knowing size of void *.
>> If config.h is available,
>> CONFIG_ARCH_PHYS_ADDR_T_64BIT will be provided for source of perf,
>> we can know size of void * by this config.
>> How do you think?
> How will this work if I built the kernel in a separate object
> directory (e.g., using "make O=../builddir vmlinux")? I think that
> trying to include generated files will fail in that case.
> In general I think that tying perf to the kernel config is a bad idea.
> Paul.

Ah, sorry, I've forgot about the case of
separated build directory.

And I found the way to use memcpy() and sent patch series.
I sent the patch series, based on the memcpy() way.


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