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    SubjectRe: [PATCH] arm: cmpxchg syscall should data abort if page not write or not young
    On Mon, Mar 14, 2011 at 06:28:36PM +0800, Po-Yu Chuang wrote:
    > From: Po-Yu Chuang <>
    > If the page to cmpxchg is user mode read only (not write)
    > or invalid (not young), we should simulate a data abort first.

    No. If it is not young then it should be made young. Age is an effect
    of accesses. It's not a permission.

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      Last update: 2011-03-14 11:43    [W:0.018 / U:1.208 seconds]
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