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Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after pii
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization |
Date: |
Wed, 14 Sep 2011 13:32:49 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2 |
On 09/12/2011 06:07 AM, Avi Kivity wrote:
> +static void malta_isa_irq_handler(void *opaque, int n, int level)
> +{
> + MaltaISAState *s = opaque;
> +
> + if (s->i8259) {
> + qemu_set_irq(s->i8259[n], level);
> + }
> +}
Is there any point in the IF? I realize that there's an ordering
problem that requires the use of the memory indirection in order
to be able to provide *some* opaque value at the proper time, but
AFAICT the ->i8259 value will *always* be non-null at the point
this function is called. Am I wrong here?
Otherwise the approach looks correct.
r~
- [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Avi Kivity, 2011/09/12
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Andreas Färber, 2011/09/14
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Stefan Weil, 2011/09/14
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Edgar E. Iglesias, 2011/09/14
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Stefan Weil, 2011/09/15
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Avi Kivity, 2011/09/18
- Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Stefan Weil, 2011/09/15
Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization,
Richard Henderson <=
Re: [Qemu-devel] [PATCH] mips_malta: move i8259 initialization after piix4 initialization, Anthony Liguori, 2011/09/16