On 15.10.2020 17:14, Rin Okuyama wrote: > On 2020/10/15 16:12, matthew green wrote: >> Martin Husemann writes: >>> On Thu, Oct 15, 2020 at 05:28:12PM +1100, matthew green wrote: >>>> you could try reverting most of our changes to this file and >>>> making sure you run with /proc mounted -o linux. ryo@ recently >>>> added additional /proc/cpuinfo support that should make this >>>> just work with the upstream version, but i haven't had chance >>>> to update and see if this is the case. > > I've confirmed that -mtune=native works fine at least for A53, > even if all the local changes to driver-aarch64.c is reverted. > I will commit it soon. > >>> If we go this route, we should make the relevant procfs nodes >>> independent >>> of -o linux. >> >> that would be fine by me. > > Nowadays, -o linux is turned on by default (unless nolinux is > specified explicitly). Still, native apps probably should not > depend on it. > > This needs MI changes to procfs, not MD to aarch64. Should we > enable /proc/cpuinfo unconditionally? I'm against the policy of restoring the /proc dependency for this corner case in one application. We need to upstream the NetBSD specific patches to mainline GCC.
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