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    SubjectRe: linux-next: build failure after merge of the final tree (tip tree related)
    Hi Stephen,

    On Thu, Jun 24, 2010 at 02:31:17AM +1000, Stephen Rothwell wrote:
    > Hi all,
    > After merging the final tree, today's linux-next build (sh allnoconfig -
    > in fact, all the sh configs) failed like this:
    > cc1: warnings being treated as errors
    > In file included from include/linux/ftrace_event.h:8,
    > from include/trace/syscall.h:6,
    > from include/linux/syscalls.h:75,
    > from arch/sh/kernel/sys_sh32.c:9:
    > include/linux/perf_event.h:937: error: 'struct regs' declared inside parameter list
    > include/linux/perf_event.h:937: error: its scope is only this definition or declaration, which is probably not what you want
    > include/linux/perf_event.h: In function 'perf_fetch_caller_regs':
    > include/linux/perf_event.h:952: error: passing argument 1 of 'perf_arch_fetch_caller_regs' from incompatible pointer type
    > This started after next-20100618.
    > Caused by commit b0f82b81fe6bbcf78d478071f33e44554726bc81 ("perf: Drop
    > the skip argument from perf_arch_fetch_regs_caller") which contained a
    > typo in the type of the first argument to perf_arch_fetch_caller_regs()
    > in the case that the architecture did not define
    > perf_arch_fetch_caller_regs.

    There is a pending fix:

    From: Nobuhiro Iwamatsu <>
    [PATCH] perf: Fix argument of perf_arch_fetch_caller_regs

    I'm going to send a pull request to Ingo so that gets fixed soon.


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