Zwane Mwaikambo wrote:
>
> --- linux-2.6.13-rc1-mm1/arch/i386/kernel/entry.S 3 Jul 2005 13:20:43 -0000 1.1.1.1
> +++ linux-2.6.13-rc1-mm1/arch/i386/kernel/entry.S 10 Jul 2005 22:33:37 -0000
> -
> +/* Build the IRQ entry stubs */
> vector=0
> -ENTRY(irq_entries_start)
> + .align IRQ_STUB_SIZE,0x90
> +ENTRY(interrupt)
> .rept NR_IRQS
> ALIGN
> -1: pushl $vector-256
> + pushl $vector
> jmp common_interrupt
>
> [...snip...]
>
> --- linux-2.6.13-rc1-mm1/arch/i386/kernel/irq.c 3 Jul 2005 13:20:43 -0000 1.1.1.1
> +++ linux-2.6.13-rc1-mm1/arch/i386/kernel/irq.c 4 Jul 2005 21:39:56 -0000
> @@ -53,8 +53,7 @@ static union irq_ctx *softirq_ctx[NR_CPU
> */
> fastcall unsigned int do_IRQ(struct pt_regs *regs)
> {
> - /* high bits used in ret_from_ code */
> - int irq = regs->orig_eax & 0xff;
> + int irq = regs->orig_eax;
Could you explain this change? I think it breaks do_signal/handle_signal,
they check orig_eax >= 0 to handle -ERESTARTSYS:
/* Are we from a system call? */
if (regs->orig_eax >= 0) {
/* If so, check system call restarting.. */
switch (regs->eax) {
case -ERESTART_RESTARTBLOCK:
case -ERESTARTNOHAND:
Oleg.
-
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