• Cyrill Gorcunov's avatar
    x86, apic: Limit apic dumping, introduce new show_lapic= setup option · 2626eb2b
    Cyrill Gorcunov authored
    In case if a system has a large number of cpus printing apics
    contents may consume a long time period.
    
    We limit such an output by 1 apic by default. But to have an
    ability to see all apics or some part of them we introduce
    "show_lapic" setup option which allow us to limit/unlimit the
    number of APICs being dumped.
    
    Example: apic=debug show_lapic=5, or apic=debug show_lapic=all
    
    Also move apic_verbosity checking upper that way so helper routines
    do not need to inspect it at all.
    Suggested-by: default avatarYinghai Lu <yinghai@kernel.org>
    Signed-off-by: default avatarCyrill Gorcunov <gorcunov@openvz.org>
    Cc: yinghai@kernel.org
    Cc: macro@linux-mips.org
    LKML-Reference: <20091013201022.926793122@openvz.org>
    Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
    2626eb2b
io_apic.c 101 KB