* Andrew Morton <[email protected]> wrote:
> > I don't personally mind the patch, I just wanted to bring that issue
> > up.
>
> yup. Perhaps we could add
>
> #define IRQ_HANDLERS_DONT_USE_PTREGS
>
> 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.
Ingo
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