• Mikael Pettersson's avatar
    x86, apic: Enable lapic nmi watchdog on AMD Family 11h · 7d1849af
    Mikael Pettersson authored
    The x86 lapic nmi watchdog does not recognize AMD Family 11h,
    resulting in:
    
      NMI watchdog: CPU not supported
    
    As far as I can see from available documentation (the BKDM),
    family 11h looks identical to family 10h as far as the PMU
    is concerned.
    
    Extending the check to accept family 11h results in:
    
      Testing NMI watchdog ... OK.
    
    I've been running with this change on a Turion X2 Ultra ZM-82
    laptop for a couple of weeks now without problems.
    Signed-off-by: default avatarMikael Pettersson <mikpe@it.uu.se>
    Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
    Cc: Joerg Roedel <joerg.roedel@amd.com>
    Cc: <stable@kernel.org>
    LKML-Reference: <19223.53436.931768.278021@pilspetsen.it.uu.se>
    Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
    7d1849af
perfctr-watchdog.c 19.8 KB