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    SubjectRe: [PATCHv2 1/3] ARM: Translate delay.S into (mostly) C
    On 11/03/2010 11:27 AM, Will Deacon wrote:
    > Hi Stephen,
    > On Thu, 2010-10-28 at 21:19 +0000, Stephen Boyd wrote:
    >> Nico expressed concern that fixed lpj cmdlines will break due to
    >> compiler optimizations. That doesn't seem to be the case since
    >> before and after this patch I get the same lpj value when running
    >> my CPU at 19.2 MHz. That should be sufficiently slow enough to
    >> cover any machine running Linux.
    > I appreciate this is an exceptional case, but there are some lucky
    > guys at ARM who (as routinely as they can) boot Linux on sub 1MHz
    > hardware. The delay loop is something they're keen to avoid so they do
    > make use of the lpj= command line option and would rather it didn't
    > break on them.

    Do you know if it breaks at that frequency? I don't have any hardware to
    test with that goes lower than the stated 19.2 MHz.

    Sent by an employee of the Qualcomm Innovation Center, Inc.
    The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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      Last update: 2010-11-04 00:17    [W:0.020 / U:9.784 seconds]
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