Messages in this thread | | | Date | Tue, 29 Oct 2013 07:53:51 -0600 | From | David Ahern <> | Subject | Re: [PATCH 14/16] perf kvm: reuse some code of perf_kvm__timerfd_create() |
| |
On 10/29/13 7:23 AM, Ingo Molnar wrote: > > * Ingo Molnar <mingo@kernel.org> wrote: > >> * David Ahern <dsahern@gmail.com> wrote: >> >>> On 9/12/13 6:08 AM, Ingo Molnar wrote: >>>> >>>> btw., I tried to build perf on a really old distro that has no timerfd.h, >>>> and got: >>> >>> Right. I hit that last week or so with RHEL5 as a build server. >>> >>> timerfd was introduced before perf so any system with perf capability >>> will also have timerfd. So the problem is strictly building perf on an >>> older system. [...] >> >> I'm booting new kernels on an old system and I'm building it there. >> >> So it's new kernel, new perf source and binary, old userspace. > > Btw., this build failure is still there today:
Right, I put together a patch on Sept 14th and got distracted. I'll rebase to top of tree, update per the new feature tests and send it out today.
David
| |