The param "irqflood_suppress" is helpful for capture kernel to survive irq flood. Signed-off-by: Pingfan Liu <kernelfans@xxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxxxxx> Cc: Petr Mladek <pmladek@xxxxxxxx> Cc: Marc Zyngier <maz@xxxxxxxxxx> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: afzal mohammed <afzal.mohd.ma@xxxxxxxxx> Cc: Lina Iyer <ilina@xxxxxxxxxxxxxx> Cc: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> Cc: Maulik Shah <mkshah@xxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Oliver Neukum <oneukum@xxxxxxxx> To: linux-kernel@xxxxxxxxxxxxxxx Cc: linux-doc@xxxxxxxxxxxxxxx Cc: kexec@xxxxxxxxxxxxxxxxxxx --- Documentation/admin-guide/kernel-parameters.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a106874..0a25a05 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2009,6 +2009,9 @@ for it. Also check all handlers each timer interrupt. Intended to get systems with badly broken firmware running. + irqflood_suppress [HW] + When a irq fully occupies a cpu in a long time, suppressing + it to make kernel move on. It is useful in the capture kernel. isapnp= [ISAPNP] Format: <RDP>,<reset>,<pci_scan>,<verbosity> -- 2.7.5 _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
