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    Subject[ 03/10] i387: fix sense of sanity check
    3.2-stable review patch.  If anyone has any objections, please let me know.


    From: Linus Torvalds <>

    commit c38e23456278e967f094b08247ffc3711b1029b2 upstream.

    The check for save_init_fpu() (introduced in commit 5b1cbac37798: "i387:
    make irq_fpu_usable() tests more robust") was the wrong way around, but
    I hadn't noticed, because my "tests" were bogus: the FPU exceptions are
    disabled by default, so even doing a divide by zero never actually
    triggers this code at all unless you do extra work to enable them.

    So if anybody did enable them, they'd get one spurious warning.

    Signed-off-by: Linus Torvalds <>
    Signed-off-by: Greg Kroah-Hartman <>

    arch/x86/include/asm/i387.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/arch/x86/include/asm/i387.h
    +++ b/arch/x86/include/asm/i387.h
    @@ -404,7 +404,7 @@ static inline void irq_ts_restore(int TS
    static inline void save_init_fpu(struct task_struct *tsk)
    - WARN_ON_ONCE(task_thread_info(tsk)->status & TS_USEDFPU);
    + WARN_ON_ONCE(!(task_thread_info(tsk)->status & TS_USEDFPU));

     \ /
      Last update: 2012-02-24 01:11    [W:0.020 / U:2.976 seconds]
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