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SubjectRe: [RFC PATCH] x86/vdso/32: Add AT_SYSINFO cancellation helpers
On Tue, Mar 8, 2016 at 5:24 PM, Andy Lutomirski <luto@kernel.org> wrote:
> musl implements system call cancellation in an unusual but clever way.
> When a thread issues a cancellable syscall, musl issues the syscall
> through a special thunk that looks roughly like this:
>

FWIW, this patch fails disastrously on 64-bit kernels. I fixed it,
but it needs kbuild changes. I'll send those out to the maintainers.

--Andy

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