* Nishanth Menon <nm@xxxxxx> [160419 05:21]: > On 04/18/2016 11:37 PM, Guenter Roeck wrote: > > + linux-omap, linux-arm > > > commit 'ARM: OMAP: Catch callers of revision information prior to it > > being populated' results in a runtime warning on various non-OMAP > > architectures. I have seen it with the following qemu tests. > > > > arm:vexpress-a9:multi_v7_defconfig:vexpress-v2p-ca9 > > arm:vexpress-a15:multi_v7_defconfig:vexpress-v2p-ca15-tc1 > > arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zc702 > > arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zc706 > > arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zed > > arm:midway:multi_v7_defconfig:ecx-2000 > > arm:smdkc210:multi_v7_defconfig:exynos4210-smdkv310 > > > > It is also reported by kernelci.org in at least one boot test for imx6q-cm-fx6. > > Thanks for the report... :( Oh crap, sorry about that. I'll revert that commit immediately. > > The warning is as follows. > > > > ------------[ cut here ]------------ > > WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/id.c:49 omap_rev+0x3c/0x50 > > Modules linked in: > > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-rc2-next-20160411 #1 > > Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) > > [<c030f970>] (unwind_backtrace) from [<c030b094>] (show_stack+0x10/0x14) > > [<c030b094>] (show_stack) from [<c0585424>] (dump_stack+0x84/0xa4) > > [<c0585424>] (dump_stack) from [<c0341774>] (__warn+0xd4/0x100) > > [<c0341774>] (__warn) from [<c03417c0>] (warn_slowpath_null+0x20/0x28) > > [<c03417c0>] (warn_slowpath_null) from [<c0324024>] (omap_rev+0x3c/0x50) > > [<c0324024>] (omap_rev) from [<c1114a18>] (__omap4_sar_ram_init+0x8/0x88) > > [<c1114a18>] (__omap4_sar_ram_init) from [<c0301e5c>] (do_one_initcall+0x3c/0x16c) > > [<c0301e5c>] (do_one_initcall) from [<c1100ccc>] (kernel_init_freeable+0x70/0x1ec) > > [<c1100ccc>] (kernel_init_freeable) from [<c0b495e4>] (kernel_init+0x8/0x110) > > [<c0b495e4>] (kernel_init) from [<c0307f78>] (ret_from_fork+0x14/0x3c) > > ---[ end trace cb88537fdc8fa200 ]--- > > > > Please have a look. > > Tony, > Should we get rid of omap_initcall callers(move them into > board-generic call path or lower the check not to include default of 0? Most of those will disappear when we drop the legacy booting support for omap3. I would not touch those before then to avoid churn with the legacy code. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
