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deef325086
Priit Laes reported the following warning: Call Trace: [<ffffffff8022f1e1>] warn_on_slowpath+0x51/0x63 [<ffffffff80282e48>] sys_ioctl+0x2d/0x5d [<ffffffff805185ff>] _spin_lock+0xe/0x24 [<ffffffff80227459>] task_rq_lock+0x3d/0x73 [<ffffffff805133c3>] set_cpu_sibling_map+0x336/0x350 [<ffffffff8021c1b8>] read_apic_id+0x30/0x62 [<ffffffff806d921d>] verify_local_APIC+0x90/0x138 [<ffffffff806d84b5>] native_smp_prepare_cpus+0x1f9/0x305 [<ffffffff806ce7b1>] kernel_init+0x59/0x2d9 [<ffffffff80518a26>] _spin_unlock_irq+0x11/0x2b [<ffffffff8020bf48>] child_rip+0xa/0x12 [<ffffffff806ce758>] kernel_init+0x0/0x2d9 [<ffffffff8020bf3e>] child_rip+0x0/0x12 fix this by generally disabling preemption in native_smp_prepare_cpus(). Reported-and-bisected-by: Priit Laes <plaes@plaes.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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| .. | ||
| boot | ||
| configs | ||
| crypto | ||
| ia32 | ||
| kernel | ||
| kvm | ||
| lguest | ||
| lib | ||
| mach-default | ||
| mach-es7000 | ||
| mach-generic | ||
| mach-rdc321x | ||
| mach-visws | ||
| mach-voyager | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| pci | ||
| power | ||
| vdso | ||
| video | ||
| xen | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile_32.cpu | ||