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    SubjectRe: [PATCH] seqlock: serialize against writers

    No idea on the problem itself because I don't understand it, just:

    > Given that, we either need to address the const requirement
    > for userspace, alter userspace's usage, or find another way to address
    > the deadlock. Any ideas?

    In the worst case you can always disable the vsyscall gtod() and
    thus the need for a user space safe seqlock_t, but it will
    hurt some workloads significantly.

    -Andi



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