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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: "Luis R. Rodriguez" <mcgrof@suse.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Chris Wright <chrisw@sous-sol.org>,
	xen-devel@lists.xenproject.org,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	virtualization@lists.linux-foundation.org,
	Alok Kataria <akataria@vmware.com>
Subject: Re: [Xen-devel] kasan_map_early_shadow() on Xen
Date: Tue, 3 Mar 2015 09:16:50 -0500	[thread overview]
Message-ID: <20150303141650.GA30332@l.oracle.com> (raw)
In-Reply-To: <54F5B3DA.70203@samsung.com>

On Tue, Mar 03, 2015 at 04:15:06PM +0300, Andrey Ryabinin wrote:
> On 03/03/2015 12:40 PM, Luis R. Rodriguez wrote:
> > Andrey,
> > 
> > I believe that on Xen we should disable kasan, would like confirmation
> 
> I guess Xen guests won't work with kasan because Xen guests doesn't setup shadow
> (kasan_map_early_shadow() is not called in xen guests).
> 
> Disabling kasan for Xen in Kconfig is undesirable because that will disable kasan
> for allmodconfig and allyesconfig builds, but I don't see other option for now.

Was there an bug reported for this? It would be good to CC the maintainers
of Xen on that sort of thing.

Thanks!
.. snip..
> > [0] https://lkml.org/lkml/2015/2/23/328

If you look at the other x86 pulls - you will see that the authors
also missed enabling it on 32-bit kernels!

> > 
> >  Luis
> > 
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel

  reply	other threads:[~2015-03-03 14:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-03  9:40 kasan_map_early_shadow() on Xen Luis R. Rodriguez
2015-03-03 10:06 ` [Xen-devel] " David Vrabel
2015-03-03 19:20   ` Luis R. Rodriguez
2015-03-04  4:53     ` Juergen Gross
2015-03-04  8:02       ` Jan Beulich
2015-03-03 10:09 ` Jan Beulich
2015-03-03 13:15 ` Andrey Ryabinin
2015-03-03 14:16   ` Konrad Rzeszutek Wilk [this message]
2015-03-03 15:38     ` [Xen-devel] " Andrey Ryabinin
2015-03-03 16:02       ` Konrad Rzeszutek Wilk
2015-03-04 14:36         ` Andrey Ryabinin
2015-03-05  1:47           ` Luis R. Rodriguez
2015-03-06 16:02             ` Konrad Rzeszutek Wilk
2015-03-06 16:47               ` Luis R. Rodriguez
2015-12-15 20:02                 ` Luis R. Rodriguez

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