On Wed, 2015-06-10 at 23:14 +0200, Peter Zijlstra wrote: > On Wed, 2015-06-10 at 15:13 -0500, Scott Wood wrote: > > > What sort of "nesting nonsense" would we get on ppc32? I wasn't > > trying to say that the pseudo-NMIs didn't count -- I was pointing > > out > > that we don't even have that on ppc32. > > Oh, I was not aware ppc32 did not have that. > > > > # git grep nmi_enter arch/powerpc/ > > > arch/powerpc/perf/core-book3s.c: nmi_enter(); > > > arch/powerpc/perf/core-fsl-emb.c: nmi_enter(); > > > > nmi_enter() only gets called when perf_intr_is_nmi() returns non- > > zero, > > which only happens on ppc64. > > ok, so fsl-emb is ppc32 and ppc64, not confusing at all this stuff.
Both drivers can be used on either 32 or 64 bits. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev