[PATCH] powerpc: 32 bit getcpu VDSO function uses 64 bit instructions

Michael Ellerman mpe at ellerman.id.au
Thu Nov 27 09:38:17 AEDT 2014


On Thu, 2014-11-27 at 08:11 +1100, Anton Blanchard wrote:
> I used some 64 bit instructions when adding the 32 bit getcpu VDSO
> function. Fix it.

Ouch. The symptom is a SIGILL I presume?

Could we catch this by forcing -m32 in the CFLAGS for vdso32 ?

cheers




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