linux-kernel - Re: [patch 4/6] x86: irqinit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090401161609.GD15781@localhost>
Date:	Wed, 1 Apr 2009 20:16:09 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	hpa@...or.com, tglx@...utronix.de, linux-kernel@...r.kernel.org,
	xemul@...nvz.org, yhlu.kernel@...il.com
Subject: Re: [patch 4/6] x86: irqinit - merge native_init_IRQ

[Ingo Molnar - Wed, Apr 01, 2009 at 04:53:28PM +0200]
...
| > Index: linux-2.6.git/arch/x86/kernel/setup.c
| > ===================================================================
| > --- linux-2.6.git.orig/arch/x86/kernel/setup.c
| > +++ linux-2.6.git/arch/x86/kernel/setup.c
| > @@ -1087,3 +1087,11 @@ void __init x86_quirk_time_init(void)
| >  	setup_irq(0, &irq0);
| >  }
| >  #endif /* CONFIG_X86_32 */
| > +
| > +#ifdef CONFIG_X86_64
| > +void x86_quirk_pre_intr_init(void)
| > +{
| > +	init_ISA_irqs();
| > +}
| > +void x86_quirk_intr_init(void) { }
| > +#endif
| 
| Hm, wouldnt it be cleaner to add it as a new quirk function vector 
| in struct x86_quirks? See arch/x86/include/asm/setup.h.
| 
| 	Ingo
| 

I just remember -- I thought about that and since x86_quirk_pre_intr_init
described as external BUT implemented for x86-32 only I needed
to indroduce new x86-64 versions for this (and since I know
that there no need to do anything else except calling init_ISA_irqs
I desided to have separate wrapper for that).

And btw x86-32 already has init_ISA_irqs call and quirks
are used in x86-32 mode only so for 64bit it will be just
a not needed check. Which means - I could just use original
x86_quirk_pre_intr_init function which  will call all I need.

Or you meant something else?

        Cyrill
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/