Messages in this thread | | | Subject | Re: [Y2038] [PATCH 3/8] powerpc: fix vdso32 for ppc64le | From | Ben Hutchings <> | Date | Wed, 20 Nov 2019 21:49:47 +0000 |
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On Wed, 2019-11-20 at 20:35 +0100, Arnd Bergmann wrote: > On Wed, Nov 20, 2019 at 8:13 PM Ben Hutchings > <ben.hutchings@codethink.co.uk> wrote: > > On Fri, 2019-11-08 at 21:34 +0100, Arnd Bergmann wrote: > > > On little-endian 32-bit application running on 64-bit kernels, > > > the current vdso would read the wrong half of the xtime seconds > > > field. Change it to return the lower half like it does on > > > big-endian. > > > > ppc64le doesn't have 32-bit compat so this is only theoretical. > > That is probably true. I only looked at the kernel, which today still > supports compat mode for ppc64le, but I saw the patches to disable > it, and I don't think anyone has even attempted building user space > for it.
COMPAT is still enabled for some reason, but VDSO32 isn't (since 4.2).
Ben.
-- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom
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