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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
..
boot [PATCH] x86: gitignore some autogenerated files for i386 2006-02-14 16:09:35 -08:00
crypto [CRYPTO] aes-i586: Remove unused variable ls_tab 2006-01-09 14:15:53 -08:00
kernel [PATCH] x86: check for online cpus before bringing them up 2006-03-17 07:51:25 -08:00
lib [LIB]: Consolidate _atomic_dec_and_lock() 2005-09-14 21:47:01 -07:00
mach-default [PATCH] Fix topology.c location 2006-02-24 14:31:39 -08:00
mach-es7000 [PATCH] ES7000 platform update 2005-10-30 17:37:12 -08:00
mach-generic [PATCH] x86: sutomatically enable bigsmp when we have more than 8 CPUs 2005-09-05 00:06:10 -07:00
mach-visws [PATCH] useless includes of linux/irq.h in arch/i386 2005-09-26 18:29:50 -07:00
mach-voyager [PATCH] fix voyager after topology.c move 2006-02-26 19:10:30 -08:00
math-emu [PATCH] i386: inline assembler: cleanup and encapsulate descriptor and task register management 2005-09-05 00:06:11 -07:00
mm [PATCH] x86_64: add __meminit for memory hotplug 2006-01-16 23:18:35 -08:00
oprofile [PATCH] x86: fix oprofile kernel callgraph regression 2006-02-14 08:25:29 -08:00
pci [PATCH] PCI: handle bogus MCFG entries 2006-01-31 18:00:13 -08:00
power [PATCH] x86: add MCE resume 2005-11-07 07:53:30 -08:00
Kconfig Make Kprobes depend on modules 2006-02-26 20:24:40 -08:00
Kconfig.cpu [PATCH] Base support for AMD Geode GX/LX processors 2006-01-06 08:33:38 -08:00
Kconfig.debug [PATCH] x86/x86_64: mark rodata section read only: x86 parts 2006-01-06 08:33:36 -08:00
Makefile [PATCH] i386: remove gcc version check for CONFIG_REGPARM 2006-01-16 23:15:25 -08:00
Makefile.cpu [PATCH] remove gcc-2 checks 2006-01-08 20:14:02 -08:00
defconfig [PATCH] e1000: Added disable packet split capability 2006-01-18 16:17:57 -05:00