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    Subject[PATCH 01/11] irq_work: fix compile failure on MIPS from system.h split
    Builds of the MIPS platform ip32_defconfig fails as of
    commit 0195c00244dc2e9f522475868fa278c473ba7339

    "Merge tag 'split-asm_system_h-for-linus-20120328' ..."

    because MIPS xchg() macro uses BUILD_BUG_ON and it was moved
    in commit b81947c646bfefdf98e2fde5d7d39cbbda8525d4

    "Disintegrate asm/system.h for MIPS"

    The root cause is that the system.h split wasn't tested on
    a baseline with commit 6c03438edeb5c359af35f060ea016ca65671c269

    "kernel.h: doesn't explicitly use bug.h, so don't include it."

    Since this file uses BUG code in several other places besides
    the xchg call, simply make the inclusion explicit.

    Signed-off-by: Paul Gortmaker <>
    kernel/irq_work.c | 1 +
    1 files changed, 1 insertions(+), 0 deletions(-)

    diff --git a/kernel/irq_work.c b/kernel/irq_work.c
    index c3c46c7..0c56d44 100644
    --- a/kernel/irq_work.c
    +++ b/kernel/irq_work.c
    @@ -5,6 +5,7 @@
    * context. The enqueueing is NMI-safe.

    +#include <linux/bug.h>
    #include <linux/kernel.h>
    #include <linux/export.h>
    #include <linux/irq_work.h>

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