linux-kernel - Re: [PATCH] 2.6.18-rt7: PowerPC: fix breakage in threaded fasteoi type IRQ handlers

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:	Mon, 20 Nov 2006 07:19:50 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Sergei Shtylyov <sshtylyov@...mvista.com>, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, dwalker@...sta.com
Subject: Re: [PATCH] 2.6.18-rt7: PowerPC: fix breakage in threaded fasteoi
	type IRQ handlers

On Sun, 2006-11-19 at 21:06 +0100, Ingo Molnar wrote:
> * Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:
> 
> > Wait wait wait .... Can somebody (Ingo ?) explain me why the fasteoi 
> > handler is being changed and what is the rationale for adding an ack 
> > that was not necessary before ?
> 
> dont worry, it's -rt only stuff.

Still, I'm curious :-) Besides, there have been people talking about
having -rt work on ppc64 so ...

What do you need an ack() for on fasteoi ? On all fasteoi controllers I
have, ack is implicit by obtaining the vector number and all there is is
an eoi...

Cheers,
Ben.


-
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/