similar to: kasan_map_early_shadow() on Xen

On Tue, Mar 3, 2015 at 2:06 AM, David Vrabel <david.vrabel at citrix.com> wrote: > On 03/03/15 09:40, Luis R. Rodriguez wrote: >> Andrey, >> >> I believe that on Xen we should disable kasan, would like confirmation > > Why? This is the first of heard of this. Andrey chimed in here confirming this. >> from someone on xen-devel though. Here's the thing

On Tue, Mar 3, 2015 at 2:06 AM, David Vrabel <david.vrabel at citrix.com> wrote: > On 03/03/15 09:40, Luis R. Rodriguez wrote: >> Andrey, >> >> I believe that on Xen we should disable kasan, would like confirmation > > Why? This is the first of heard of this. Andrey chimed in here confirming this. >> from someone on xen-devel though. Here's the thing

On 03/03/2015 08:20 PM, Luis R. Rodriguez wrote: > On Tue, Mar 3, 2015 at 2:06 AM, David Vrabel <david.vrabel at citrix.com> wrote: >> On 03/03/15 09:40, Luis R. Rodriguez wrote: >>> Andrey, >>> >>> I believe that on Xen we should disable kasan, would like confirmation >> >> Why? This is the first of heard of this. > > Andrey chimed in

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

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

On 03/03/15 09:40, Luis R. Rodriguez wrote: > Andrey, > > I believe that on Xen we should disable kasan, would like confirmation Why? This is the first of heard of this. > from someone on xen-devel though. Here's the thing though -- if true > -- I'd like to do it *properly*, where *properly* means addressing a > bit of architecture. A simple Kconfig slap seems rather

On 03/03/15 09:40, Luis R. Rodriguez wrote: > Andrey, > > I believe that on Xen we should disable kasan, would like confirmation Why? This is the first of heard of this. > from someone on xen-devel though. Here's the thing though -- if true > -- I'd like to do it *properly*, where *properly* means addressing a > bit of architecture. A simple Kconfig slap seems rather

On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: > On Tue, Mar 03, 2015 at 06:38:20PM +0300, Andrey Ryabinin wrote: >> On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: >>> 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, >>>>> >>>>>

On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: > On Tue, Mar 03, 2015 at 06:38:20PM +0300, Andrey Ryabinin wrote: >> On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: >>> 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, >>>>> >>>>>

On Wed, Mar 04, 2015 at 05:47:03PM -0800, Luis R. Rodriguez wrote: > On Wed, Mar 4, 2015 at 6:36 AM, Andrey Ryabinin <a.ryabinin at samsung.com> wrote: > > On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: > >> If it is like that - then just using what had to be implemented > >> for the stack protection as a template ought to pave most of the > >> work?

On Wed, Mar 04, 2015 at 05:47:03PM -0800, Luis R. Rodriguez wrote: > On Wed, Mar 4, 2015 at 6:36 AM, Andrey Ryabinin <a.ryabinin at samsung.com> wrote: > > On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: > >> If it is like that - then just using what had to be implemented > >> for the stack protection as a template ought to pave most of the > >> work?

On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: > 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

On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: > 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

>>> On 04.03.15 at 05:53, <JGross at suse.com> wrote: > On 03/03/2015 08:20 PM, Luis R. Rodriguez wrote: >> On Tue, Mar 3, 2015 at 2:06 AM, David Vrabel <david.vrabel at citrix.com> wrote: >>> On 03/03/15 09:40, Luis R. Rodriguez wrote: >>>> if X86_64 && SPARSEMEM_VMEMMAP >>>> >>>> Now Xen should not have

On Fri, Mar 06, 2015 at 11:02:50AM -0500, Konrad Rzeszutek Wilk wrote: > On Wed, Mar 04, 2015 at 05:47:03PM -0800, Luis R. Rodriguez wrote: > > On Wed, Mar 4, 2015 at 6:36 AM, Andrey Ryabinin <a.ryabinin at samsung.com> wrote: > > > On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: > > >> If it is like that - then just using what had to be implemented >

On Wed, Mar 4, 2015 at 6:36 AM, Andrey Ryabinin <a.ryabinin at samsung.com> wrote: > On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: >> If it is like that - then just using what had to be implemented >> for the stack protection as a template ought to pave most of the >> work? > > Probably. I think I could make this work. > However, I won't be able to

On Wed, Mar 4, 2015 at 6:36 AM, Andrey Ryabinin <a.ryabinin at samsung.com> wrote: > On 03/03/2015 07:02 PM, Konrad Rzeszutek Wilk wrote: >> If it is like that - then just using what had to be implemented >> for the stack protection as a template ought to pave most of the >> work? > > Probably. I think I could make this work. > However, I won't be able to

On Tue, Mar 03, 2015 at 06:38:20PM +0300, Andrey Ryabinin wrote: > On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: > > 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 >

On Tue, Mar 03, 2015 at 06:38:20PM +0300, Andrey Ryabinin wrote: > On 03/03/2015 05:16 PM, Konrad Rzeszutek Wilk wrote: > > 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 >

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). > >