The param "irqflood_suppress" is helpful for capture kernel to survive irq flood.
Signed-off-by: Pingfan Liu <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Jisheng Zhang <[email protected]> Cc: Andrew Morton <[email protected]> Cc: "Guilherme G. Piccoli" <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Linus Walleij <[email protected]> Cc: afzal mohammed <[email protected]> Cc: Lina Iyer <[email protected]> Cc: "Gustavo A. R. Silva" <[email protected]> Cc: Maulik Shah <[email protected]> Cc: Al Viro <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Pawan Gupta <[email protected]> Cc: Mike Kravetz <[email protected]> Cc: Oliver Neukum <[email protected]> To: [email protected] Cc: [email protected] Cc: [email protected] --- 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

