linux-kernel - Re: [PATCH] i386 IOAPIC: de-fang IRQ compression

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]

Date:	Tue, 4 Dec 2007 16:39:46 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	lenb@...nel.org, ebiederm@...ssion.com, protasnb@...il.com,
	ak@...e.de, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i386 IOAPIC: de-fang IRQ compression

On Tue, 4 Dec 2007 13:26:49 +0100
Ingo Molnar <mingo@...e.hu> wrote:

> * Len Brown <lenb@...nel.org> wrote:
> 
> >     So while the irq compression code on i386 should really
> >     be deleted -- even before merging the x86_64 irq-overhaul,
> >     this patch simply disables it on all high volume systems
> >     to avoid problems #1 and #2 on most all i386 systems.
> >     
> >     A large system with pin numbers >=64 will still have compression
> >     to conserve limited IRQ numbers for sparse IOAPICS.  However,
> >     the vast majority of the planet, those with only pin numbers < 64
> >     will use an identity GSI -> IRQ mapping.
> >     
> >     Signed-off-by: Len Brown <len.brown@...el.com>
> 
> thanks for the patch and the extensive description. I've applied this to 
> x86.git.

Len applied it to his tree too.
--
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/