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SubjectRe: [PATCH 09/16] sparc64: use the generic get_user_pages_fast code
For the record the futex test case OOPSes a 5.3-rc3 kernel running on
a Sun Blade 2500 (2 x USIIIi). This system runs a custom distro with
a custom toolchain (gcc-8.3 based), so I doubt it's a distro problem.

On Sat, Aug 10, 2019 at 9:17 AM Christoph Hellwig <> wrote:
> There isn't really a way to use an arch-specific get_user_pages_fast
> in mainline, you'd need to revert the whole series. As a relatively
> quick workaround you can just remove the
> select HAVE_FAST_GUP if SPARC64
> line from arch/sparc/Kconfig

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