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Replace all lock_cpu_hotplug/unlock_cpu_hotplug from the kernel and use get_online_cpus and put_online_cpus instead as it highlights the refcount semantics in these operations. The new API guarantees protection against the cpu-hotplug operation, but it doesn't guarantee serialized access to any of the local data structures. Hence the changes needs to be reviewed. In case of pseries_add_processor/pseries_remove_processor, use cpu_maps_update_begin()/cpu_maps_update_done() as we're modifying the cpu_present_map there. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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| .. | ||
| 8250-platform.c | ||
| asm-offsets.c | ||
| binfmt_elfn32.c | ||
| binfmt_elfo32.c | ||
| branch.c | ||
| cevt-bcm1480.c | ||
| cevt-gt641xx.c | ||
| cevt-r4k.c | ||
| cevt-sb1250.c | ||
| cevt-txx9.c | ||
| cpu-bugs64.c | ||
| cpu-probe.c | ||
| csrc-bcm1480.c | ||
| csrc-r4k.c | ||
| csrc-sb1250.c | ||
| early_printk.c | ||
| entry.S | ||
| gdb-low.S | ||
| gdb-stub.c | ||
| genex.S | ||
| head.S | ||
| i8253.c | ||
| i8259.c | ||
| init_task.c | ||
| irix5sys.S | ||
| irixelf.c | ||
| irixinv.c | ||
| irixioctl.c | ||
| irixsig.c | ||
| irq_cpu.c | ||
| irq_txx9.c | ||
| irq-gt641xx.c | ||
| irq-msc01.c | ||
| irq-rm7000.c | ||
| irq-rm9000.c | ||
| irq.c | ||
| kspd.c | ||
| linux32.c | ||
| machine_kexec.c | ||
| Makefile | ||
| mips_ksyms.c | ||
| mips-mt-fpaff.c | ||
| mips-mt.c | ||
| module.c | ||
| pcspeaker.c | ||
| proc.c | ||
| process.c | ||
| ptrace.c | ||
| ptrace32.c | ||
| r4k_fpu.S | ||
| r4k_switch.S | ||
| r2300_fpu.S | ||
| r2300_switch.S | ||
| r6000_fpu.S | ||
| relocate_kernel.S | ||
| reset.c | ||
| rtlx.c | ||
| scall32-o32.S | ||
| scall64-64.S | ||
| scall64-n32.S | ||
| scall64-o32.S | ||
| semaphore.c | ||
| setup.c | ||
| signal_n32.c | ||
| signal-common.h | ||
| signal.c | ||
| signal32.c | ||
| smp-mt.c | ||
| smp-up.c | ||
| smp.c | ||
| smtc-asm.S | ||
| smtc-proc.c | ||
| smtc.c | ||
| stacktrace.c | ||
| syscall.c | ||
| sysirix.c | ||
| time.c | ||
| topology.c | ||
| traps.c | ||
| unaligned.c | ||
| vmlinux.lds.S | ||
| vpe.c | ||