linux-kernel - Re: [PATCH v4] enable x2APIC without interrupt remapping under KVM

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: <m1my7p7id7.fsf@fess.ebiederm.org>
Date:	Tue, 30 Jun 2009 10:15:48 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Gleb Natapov <gleb@...hat.com>
Cc:	Yinghai Lu <yhlu.kernel@...il.com>, linux-kernel@...r.kernel.org,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Sheng Yang <sheng@...ux.intel.com>,
	"kvm\@vger.kernel.org" <kvm@...r.kernel.org>,
	"avi\@redhat.com" <avi@...hat.com>
Subject: Re: [PATCH v4] enable x2APIC without interrupt remapping under KVM

Gleb Natapov <gleb@...hat.com> writes:

> On Tue, Jun 30, 2009 at 12:18:19AM -0700, Yinghai Lu wrote:
>> how about kexec second kernel in KVM ?
>> 
>> x2apic_preenabled will be set in second kernel.
>> 
> By the way anybody knows why kexec does not use BIOS reset code
> (cmos 0xf offset) to jump into new kernel after hard reset?

What I said before plus the fact that kexec grew up on systems
that don't have a BIOS.  So the option of using that piece of
was not there.

Eric
--
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/