[PATCH v8 0/11] KGDB/KDB FIQ (NMI) debugger

Jason Wessel jason.wessel at windriver.com
Thu Sep 20 09:40:23 EDT 2012

On 09/19/2012 06:40 PM, Anton Vorontsov wrote:
> Hi all,
> In v8, addressed Jason's comments:
> - Changed kgdb_enable_nmi() weak function to kgdb_arch callbck;
> - We no longer register disable_nmi command if arch does not register
>   KGDB NMI handling (i.e. not filling kgdb_arch.enable_nmi callback);
> - The same is for ttyNMI: if architecure does not provide us with
>   enable_nmi call, we don't need the tty device. Of course, there is no
>   way to tell wether a specific serial device can be used for NMI
>   debugging, as it is not serial-device specific, but specific to
>   whether IRQ can be rerouted to an NMI (for most our cases, pretty
>   much every IRQ can be rerouted, e.g. a hot-pluggable serial device on
>   a PCI bus).
> - Rebased on the latest and greatest tty-next, just in case.

I have the kgdb regression builder running right now (it will be done in about 1 hour), and so far it picked up one new warning.

drivers/tty/serial/kgdb_nmi.c: In function 'kgdb_nmi_poll_one_knock':
drivers/tty/serial/kgdb_nmi.c:161: warning: field width should have type 'int', but argument 4 has type 'size_t'


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