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Groups > linux.kernel > #1422675
| From | Richard Weinberger <richard@nod.at> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [rcu:rcu/next 25/36] include/linux/irqflags.h:79:3: error: implicit declaration of function 'arch_irqs_disabled_flags' |
| Date | 2016-06-15 09:10 +0200 |
| Message-ID | <rKd7z-7Q2-1@gated-at.bofh.it> (permalink) |
| References | <rGKEO-1JA-7@gated-at.bofh.it> <rK5to-2E2-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Paul, Am 15.06.2016 um 00:54 schrieb Paul E. McKenney: > On Mon, Jun 06, 2016 at 02:04:03AM +0800, kbuild test robot wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next >> head: 13ee0de9cd2444b57ce30c4f1607b49b90aa0c38 >> commit: f251ac814fc5787765009e60d54a2bd4277350c8 [25/36] rcu: Make call_rcu_tasks() tolerate first call with irqs disabled >> config: um-allmodconfig (attached as .config) >> compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 >> reproduce: >> git checkout f251ac814fc5787765009e60d54a2bd4277350c8 >> # save the attached .config to linux build tree >> make ARCH=um > > My kneejerk reaction would be to make CONFIG_TASKS_RCU depend on > !UML or something similar. > > Another approach would be create a arch_irqs_disabled_flags() for UML. > > Any preferences? Patches for arch_irqs_disabled_flags() support are already on LKML: https://lkml.org/lkml/2016/6/12/162 My plan was to merge them in the v4.8 merge window. So having CONFIG_TASKS_RCU depend on !UML for now should be fine. We can remove the dependency in v4.8 again. Thanks, //richard
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Re: [rcu:rcu/next 25/36] include/linux/irqflags.h:79:3: error: implicit declaration of function 'arch_irqs_disabled_flags' "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-06-15 01:00 +0200
Re: [rcu:rcu/next 25/36] include/linux/irqflags.h:79:3: error: implicit declaration of function 'arch_irqs_disabled_flags' Richard Weinberger <richard@nod.at> - 2016-06-15 09:10 +0200
Re: [rcu:rcu/next 25/36] include/linux/irqflags.h:79:3: error: implicit declaration of function 'arch_irqs_disabled_flags' "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-06-15 14:50 +0200
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