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    SubjectRe: 2.5isms
    Justin Pryzby wrote:
    > Hi all, I have more 2.5isms for the list. ./fs/binfmt_elf.c:
    >
    > #ifdef CONFIG_X86_HT
    > /*
    > * In some cases (e.g. Hyper-Threading), we want to avoid L1
    > * evictions by the processes running on the same package. One
    > * thing we can do is to shuffle the initial stack for them.
    > *
    > * The conditionals here are unneeded, but kept in to make the
    > * code behaviour the same as pre change unless we have
    > * hyperthreaded processors. This should be cleaned up
    > * before 2.6
    > */
    >
    > if (smp_num_siblings > 1)
    > STACK_ALLOC(p, ((current->pid % 64) << 7));
    > #endif
    >

    Can we just kill it? Or do it unconditionally? Or maybe better yet, wrap
    it properly in arch code?

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