[lkml]   [2006]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
On Tue, 03 Oct 2006 10:52:19 UTC, in fa.linux.kernel Ingo Molnar

>* Andrew Morton <> wrote:
>> > I don't personally mind the patch, I just wanted to bring that issue
>> > up.
>> yup. Perhaps we could add
>> so that out-of-tree drivers can reliably do their ifdefing.
>i'd suggest we do something like:
> #define __PT_REGS
>so that backportable drivers can do:
> static irqreturn_t irq_handler(int irq, void *dev_id __PT_REGS)
>instead of an #ifdef jungle. Older kernel bases can define __PT_REGS in
>their interrupt.h (or in the backported driver's header, in one place)
> #ifndef __PT_REGS
> # define __PT_REGS , struct pt_regs *regs
> #endif
>this would minimize the direct impact in the source-code.

Has this or something like it been sprinkled with penguin pee? I'm
one of those misguided out-of-tree maintainers. I dont' use pt_regs
but like warning-free compiles - and a single code module when

William D Waddington
"Even bugs...are unexpected signposts on
the long road of creativity..." - Ken Burtch
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-10-07 20:47    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean