20 Nov
2019
20 Nov
'19
9:49 p.m.
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
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