e545a6140b
Right now, there is no notifier that is called on a new cpu, before the new cpu begins processing interrupts/softirqs. Various kernel function would need that notification, e.g. kvm works around by calling smp_call_function_single(), rcu polls cpu_online_map. The patch adds a CPU_STARTING notification. It also adds a helper function that sends the message to all cpu_chain handlers. Tested on x86-64. All other archs are untested. Especially on sparc, I'm not sure if I got it right. Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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| .. | ||
| cpu | ||
| timers | ||
| vsyscall | ||
| .gitignore | ||
| Makefile | ||
| Makefile_32 | ||
| Makefile_64 | ||
| asm-offsets.c | ||
| cf-enabler.c | ||
| cpufreq.c | ||
| crash_dump.c | ||
| debugtraps.S | ||
| dump_task.c | ||
| early_printk.c | ||
| entry-common.S | ||
| head_32.S | ||
| head_64.S | ||
| init_task.c | ||
| io.c | ||
| io_generic.c | ||
| io_trapped.c | ||
| irq.c | ||
| kgdb_jmp.S | ||
| kgdb_stub.c | ||
| machine_kexec.c | ||
| machvec.c | ||
| module.c | ||
| pm.c | ||
| process_32.c | ||
| process_64.c | ||
| ptrace_32.c | ||
| ptrace_64.c | ||
| relocate_kernel.S | ||
| setup.c | ||
| sh_bios.c | ||
| sh_ksyms_32.c | ||
| sh_ksyms_64.c | ||
| signal_32.c | ||
| signal_64.c | ||
| smp.c | ||
| stacktrace.c | ||
| sys_sh.c | ||
| sys_sh32.c | ||
| sys_sh64.c | ||
| syscalls_32.S | ||
| syscalls_64.S | ||
| time_32.c | ||
| time_64.c | ||
| topology.c | ||
| traps.c | ||
| traps_32.c | ||
| traps_64.c | ||
| vmlinux.lds.S | ||
| vmlinux_32.lds.S | ||
| vmlinux_64.lds.S | ||