linux/arch/i386/mach-default
Ashok Raj 67664c8f7e [PATCH] i386: Dont use IPI broadcast when using cpu hotplug.
This patch introduces a startup parameter no_broadcast.  When we enable
CONFIG_HOTPLUG_CPU, we dont want to use broadcast shortcut as it has ill
effects on a offline cpu.  If we issue broadcast, the IPI is also delivered
to offline cpus, or partially up cpu causing stale IPI's to be handled,
which is a problem and can cause undesirable effects.

Introduces a new startup cmdline option no_ipi_broadcast, that can be
switched at cmdline if necessary.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-25 16:24:29 -07:00
..
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
setup.c [PATCH] i386: Dont use IPI broadcast when using cpu hotplug. 2005-06-25 16:24:29 -07:00
topology.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00