On Sat, 1 Oct 2022 at 14:25, 'Koschel, J. (Jakob)' via
address-sanitizer <address-sanitizer@googlegroups.com> wrote:
>
> Hey,
>
> it was worth a shot, after Dmitry suggested to try here ;)
> Regardless thanks for your reply, I guess I'll have to wait a bit more.

Just in case: you considered using qemu, right?

> > On 30. Sep 2022, at 01:26, Konstantin Serebryany 
> > <konstantin.s.serebry...@gmail.com> wrote:
> >
> > Hi Jakob!
> >
> > Thanks for your interest.
> > Unfortunately, we are not aware of any publicly available device with 
> > usable MTE.
> > Please pester your hardware suppliers directly, or wait :)
> >
> > --kcc
> >
> >
> >
> > On Thu, Sep 29, 2022 at 3:08 PM 'Jakob K.' via address-sanitizer 
> > <address-sanitizer@googlegroups.com> wrote:
> > Hi all,
> >
> > I'm currently looking into MTE and therefore inevitably also at the great 
> > work on MemTagSanitizer & KASAN_HW_TAGS.
> >
> > Since you guys are working on this: do you happen to know if there is any 
> > hardware out on the market you are using for testing MTE?
> >
> > I've been looking at the Samsung S22 with the exynos2200 which does support 
> > MTE. Unfortunately it looks like the bootloader (in connection with "Exynos 
> > Secure Monitor") is responsible to setup the DRAM locations to store the 
> > tags & this doesn't seem to be enabled. This results in MTE working *until* 
> > the tagged memory is evicted from the cache. Once the memory is brought 
> > back into the cache it forgot that it was tagged :/
> >
> > If you know of any hardware out there that you might have tested with MTE, 
> > I'd appreciated some pointers!
> >
> > Thank you!
> > Jakob
> >
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