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.

thanks,
- jakob

> On 30. Sep 2022, at 01:26, Konstantin Serebryany 
> <[email protected]> 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 
> <[email protected]> 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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