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    SubjectRe: [sparc build bug] Re: [tip:perf/core] irq: Add tracepoint to softirq_raise
    (2010/10/18 19:48), Peter Zijlstra wrote:
    > On Mon, 2010-10-18 at 11:44 +0200, Peter Zijlstra wrote:
    >> On Wed, 2010-09-08 at 13:25 +0200, Ingo Molnar wrote:
    >>> * tip-bot for Lai Jiangshan <laijs@cn.fujitsu.com> wrote:
    >>>
    >>>> Commit-ID: 2bf2160d8805de64308e2e7c3cd97813cb58ed2f
    >>>> Gitweb: http://git.kernel.org/tip/2bf2160d8805de64308e2e7c3cd97813cb58ed2f
    >>>> Author: Lai Jiangshan <laijs@cn.fujitsu.com>
    >>>> AuthorDate: Mon, 23 Aug 2010 18:42:48 +0900
    >>>> Committer: Frederic Weisbecker <fweisbec@gmail.com>
    >>>> CommitDate: Tue, 7 Sep 2010 17:49:34 +0200
    >>>>
    >>>> irq: Add tracepoint to softirq_raise
    >>>>
    >>>> Add a tracepoint for tracing when softirq action is raised.
    >>>>
    >>>> This and the existing tracepoints complete softirq's tracepoints:
    >>>> softirq_raise, softirq_entry and softirq_exit.
    >>>>
    >>>> And when this tracepoint is used in combination with
    >>>> the softirq_entry tracepoint we can determine
    >>>> the softirq raise latency.
    >>>>
    >
    >>> In file included from /home/mingo/tip/arch/sparc/include/asm/irq_32.h:11,
    >>> from /home/mingo/tip/arch/sparc/include/asm/irq.h:6,
    >>> from /home/mingo/tip/include/linux/irqnr.h:10,
    >>> from /home/mingo/tip/include/linux/irq.h:22,
    >>> from /home/mingo/tip/include/asm-generic/hardirq.h:6,
    >>> from /home/mingo/tip/arch/sparc/include/asm/hardirq_32.h:11,
    >>> from /home/mingo/tip/arch/sparc/include/asm/hardirq.h:6,
    >>> from /home/mingo/tip/include/linux/hardirq.h:10,
    >>> from /home/mingo/tip/include/linux/ftrace_event.h:7,
    >>> from /home/mingo/tip/include/trace/syscall.h:6,
    >>> from /home/mingo/tip/include/linux/syscalls.h:76,
    >>> from /home/mingo/tip/init/initramfs.c:9:
    >>> /home/mingo/tip/include/linux/interrupt.h: In function '__raise_softirq_irqoff':
    >>> /home/mingo/tip/include/linux/interrupt.h:414: error: implicit declaration of function 'local_softirq_pending'
    >>> /home/mingo/tip/include/linux/interrupt.h:414: error: lvalue required as left operand of assignment
    >>> make[2]: *** [init/initramfs.o] Error 1
    >>> make[2]: *** Waiting for unfinished jobs....
    >>> In file included from /home/mingo/tip/arch/sparc/include/asm/irq_32.h:11,
    >>
    >> I could build sparc64_defconfig, but s390 is broken for me by this...
    >
    > /me being very grumpy @ Lai.. ia64 is broken too!
    >
    > /me goes revert this shite
    >

    Now it is fixed.

    http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=9f081ce5da2c8af297a0a7d15a57fb4beeed374b;hp=43e3bf203456c4f06bdd6060426976ad2bed9081



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