On Mon, Nov 27, 2017 at 9:41 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> One argument for using c) plus the emulation in glibc is that glibc
> has to do emulation anyway, to allow running user space with 64-bit
> time_t on older kernels that don't have the new getrusage system
> call.
To clarify my point here, if we stay with approach c), I think it should work
directly with the Albert's proposed patch "Y2038: add function
__getrusage_t64" [1], and we can remove the " // TODO: use
64-bit-time syscall if available" there. If we pick approach b), we
still need the same glibc patch, but would also implement the
interface to the new system call. As Eric said, this would be slightly
cleaner, but not really help us since 32-bit fields in rusage are
sufficient on the kernel interface side.
Arnd
[1] https://patchwork.ozlabs.org/patch/811246/
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