* Steven Rostedt ([EMAIL PROTECTED]) wrote:
> MCOUNT will disable the regparm parameters of the i386 compile
> options. When doing so, this breaks the prototype of do_IRQ
> where the fastcall must be explicitly called.
>
> Also fixed some whitespace damage in the call to do_IRQ.
>
I would propose to try to see how we can #ifdef two different __mcount
assembly functions that would prepare the stack appropriately for each
REGPARM cases.
> Signed-off-by: Steven Rostedt <[EMAIL PROTECTED]>
> ---
> arch/x86/kernel/irq_32.c | 2 +-
> include/asm-x86/irq_32.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> Index: linux-compile.git/arch/x86/kernel/irq_32.c
> ===================================================================
> --- linux-compile.git.orig/arch/x86/kernel/irq_32.c 2007-12-20
> 00:20:29.000000000 -0500
> +++ linux-compile.git/arch/x86/kernel/irq_32.c 2007-12-20
> 00:21:55.000000000 -0500
> @@ -67,7 +67,7 @@ static union irq_ctx *softirq_ctx[NR_CPU
> * handlers).
> */
> fastcall unsigned int do_IRQ(struct pt_regs *regs)
> -{
> +{
> struct pt_regs *old_regs;
> /* high bit used in ret_from_ code */
> int irq = ~regs->orig_eax;
> Index: linux-compile.git/include/asm-x86/irq_32.h
> ===================================================================
> --- linux-compile.git.orig/include/asm-x86/irq_32.h 2007-12-20
> 00:20:29.000000000 -0500
> +++ linux-compile.git/include/asm-x86/irq_32.h 2007-12-20
> 00:21:55.000000000 -0500
> @@ -41,7 +41,7 @@ extern int irqbalance_disable(char *str)
> extern void fixup_irqs(cpumask_t map);
> #endif
>
> -unsigned int do_IRQ(struct pt_regs *regs);
> +fastcall unsigned int do_IRQ(struct pt_regs *regs);
> void init_IRQ(void);
> void __init native_init_IRQ(void);
>
>
> --
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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