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Date: Tue, 29 Oct 2013 07:53:51 -0600 From: David Ahern <dsahern@...il.com> To: Ingo Molnar <mingo@...nel.org> CC: linux-kernel@...r.kernel.org, acme@...stprotocols.net, fweisbec@...il.com, peterz@...radead.org, jolsa@...hat.com, namhyung@...nel.org, xiaoguangrong@...ux.vnet.ibm.com, runzhen@...ux.vnet.ibm.com, Runzhen Wang <icycoder@...il.com> 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@...nel.org> wrote: > >> * David Ahern <dsahern@...il.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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