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linux/arch/i386/kernel
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Srivatsa Vaddagiri 82c3c03a40 [PATCH] x86: check for online cpus before bringing them up 
Bryce reported a bug wherein offlining CPU0 (on x86 box) and then
subsequently onlining it resulted in a lockup.

On x86, CPU0 is never offlined.  The subsequent attempt to online CPU0
doesn't take that into account.  It actually tries to bootup the already
booted CPU.  Following patch fixes the problem (as acknowledged by Bryce).
Please consider for inclusion in 2.6.16.

Check if cpu is already online.

Signed-off-by: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-17 07:51:25 -08:00
..
acpi [PATCH] i386: port ATI timer fix from x86_64 to i386 II 2006-03-08 18:10:31 -08:00
cpu [PATCH] x86: cpu model calculation for family 6 cpu 2006-03-08 14:14:01 -08:00
timers Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq 2006-02-13 19:10:43 -08:00
.gitignore [PATCH] x86: gitignore some autogenerated files for i386 2006-02-14 16:09:35 -08:00
apic.c [PATCH] Plug kdump shutdown race window 2006-03-14 08:26:44 -08:00
apm.c [PATCH] capable/capability.h (arch/) 2006-01-11 18:42:14 -08:00
asm-offsets.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
bootflag.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpuid.c [PATCH] arch/i386/kernel/cpuid.c: unused variable 2006-01-06 08:33:38 -08:00
crash_dump.c [PATCH] kdump: read previous kernel's memory 2006-01-10 08:01:28 -08:00
crash.c [PATCH] kdump: save registers early (inline functions) 2006-01-10 08:01:27 -08:00
dmi_scan.c [PATCH] x86_64: Generalize DMI and enable for x86-64 2006-01-11 19:04:51 -08:00
doublefault.c [PATCH] i386: inline assembler: cleanup and encapsulate descriptor and task register management 2005-09-05 00:06:11 -07:00
early_printk.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
efi_stub.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
efi.c [PATCH] EFI: Fix gdt load 2006-03-06 18:40:45 -08:00
entry.S [PATCH] Make vm86 support optional 2006-01-08 20:14:11 -08:00
head.S [PATCH] x86: fix broken SMP boot sequence 2006-02-24 14:31:38 -08:00
i386_ksyms.c [PATCH] x86: fix broken SMP boot sequence 2006-02-24 14:31:38 -08:00
i387.c x86: make restore_fpu() use alternative assembler instructions 2005-07-22 16:06:16 -04:00
i8237.c [PATCH] ISA DMA suspend for i386 2005-09-05 00:06:14 -07:00
i8259.c Revert "i386: move apic init in init_IRQs" 2005-10-31 19:16:17 -08:00
init_task.c [PATCH] Change maxaligned_in_smp alignemnt macros to internodealigned_in_smp macros 2006-01-08 20:13:38 -08:00
io_apic.c [PATCH] i386: port ATI timer fix from x86_64 to i386 II 2006-03-08 18:10:31 -08:00
ioport.c [PATCH] capable/capability.h (arch/) 2006-01-11 18:42:14 -08:00
irq.c [PATCH] Change maxaligned_in_smp alignemnt macros to internodealigned_in_smp macros 2006-01-08 20:13:38 -08:00
kprobes.c [PATCH] Kprobes causes NX protection fault on i686 SMP 2006-02-24 14:31:37 -08:00
ldt.c [PATCH] arch/i386/kernel/ldt.c should #include <asm/mmu_context.h> 2005-11-07 07:53:29 -08:00
machine_kexec.c [PATCH] fix kexec asm 2006-03-08 14:15:04 -08:00
Makefile [PATCH] i386: port ATI timer fix from x86_64 to i386 II 2006-03-08 18:10:31 -08:00
mca.c [PATCH] arch/i386: Use ARRAY_SIZE macro 2005-11-07 07:53:28 -08:00
microcode.c [PATCH] x86 microcode driver vs hotplug CPUs. 2006-02-28 20:53:43 -08:00
module.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mpparse.c [PATCH] i386: Handle non existing APICs without panicing 2006-02-26 09:53:30 -08:00
msr.c [PATCH] arch/i386/kernel/msr.c: removed unused variable 2006-01-06 08:33:38 -08:00
nmi.c [PATCH] x86: Fix i386 nmi_watchdog that does not trigger die_nmi 2006-03-08 14:14:01 -08:00
numaq.c [PATCH] re-disable TSC on NUMAQ 2005-07-28 21:46:05 -07:00
pci-dma.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
process.c [PATCH] i386: print kernel version in register dumps 2006-02-05 11:06:53 -08:00
ptrace.c [PATCH] i386: PTRACE_POKEUSR: allow changing RF bit in EFLAGS register. 2006-01-05 20:50:51 -08:00
quirks.c [PATCH] EDAC: core EDAC support code 2006-01-18 19:20:31 -08:00
reboot_fixups.c [PATCH] arch/i386/kernel/reboot_fixups.c should #include <linux/reboot_fixups.h> 2005-11-07 07:53:29 -08:00
reboot.c [PATCH] i386/x86-64: Don't IPI to offline cpus on shutdown 2006-01-11 19:04:50 -08:00
relocate_kernel.S [PATCH] kexec: x86 kexec core 2005-06-25 16:24:49 -07:00
scx200.c [PATCH] arch: Replace pci_module_init() with pci_register_driver() 2006-01-09 12:13:21 -08:00
semaphore.c [PATCH] unify x86/x86-64 semaphore code 2005-09-05 00:06:14 -07:00
setup.c [PATCH] i386: port ATI timer fix from x86_64 to i386 II 2006-03-08 18:10:31 -08:00
sigframe.h [PATCH] __user annotations for pointers in i386 sigframe 2005-09-09 10:31:59 -07:00
signal.c [PATCH] Handle TIF_RESTORE_SIGMASK for i386 2006-01-18 19:20:29 -08:00
smp.c [PATCH] useless includes of linux/irq.h in arch/i386 2005-09-26 18:29:50 -07:00
smpboot.c [PATCH] x86: check for online cpus before bringing them up 2006-03-17 07:51:25 -08:00
srat.c [PATCH] x86_64: Make i386 compile again with fourth DMA32 zone 2005-11-14 19:55:13 -08:00
summit.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys_i386.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
syscall_table.S [PATCH] fstatat64 support 2006-02-11 21:41:10 -08:00
sysenter.c [PATCH] sep initializing rework 2005-06-25 16:24:29 -07:00
time_hpet.c [PATCH] move rtc_interrupt() prototype to rtc.h 2006-01-08 20:13:47 -08:00
time.c [PATCH] x86: fix potential jiffies overflow in timer_resume() 2006-03-06 18:40:44 -08:00
topology.c [PATCH] Fix topology.c location 2006-02-24 14:31:39 -08:00
trampoline.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
traps.c [PATCH] i386: print kernel version in register dumps 2006-02-05 11:06:53 -08:00
vm86.c correct email address of Manfred Spraul 2006-01-15 02:43:54 +01:00
vmlinux.lds.S [PATCH] i386 / uml: add dwarf sections to static link script 2005-09-10 12:00:17 -07:00
vsyscall-int80.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall-note.S [PATCH] i386 vDSO: add PT_NOTE segment 2005-04-16 15:24:48 -07:00
vsyscall-sigreturn.S kbuild: full dependency check on asm-offsets.h 2005-09-09 19:28:28 +02:00
vsyscall-sysenter.S [PATCH] x86: document sysenter path 2006-02-14 16:09:35 -08:00
vsyscall.lds.S kbuild: full dependency check on asm-offsets.h 2005-09-09 19:28:28 +02:00
vsyscall.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00