Re: [PATCHv5 00/13] Linear Address Masking enabling

[Alexander Potapenko]

On Wed, Jul 20, 2022 at 2:59 AM Kirill A. Shutemov
<kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
>
> On Mon, Jul 18, 2022 at 07:39:22PM +0200, Alexander Potapenko wrote:
> > On Wed, Jul 13, 2022 at 1:13 AM Kirill A. Shutemov
> > <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
> > >
> > > Linear Address Masking[1] (LAM) modifies the checking that is applied to
> > > 64-bit linear addresses, allowing software to use of the untranslated
> > > address bits for metadata.
> > >
> > > The patchset brings support for LAM for userspace addresses.

For what it's worth, there's an LLVM bot running basic HWASan tests on
QEMU with the latest LAM patches here:
https://lab.llvm.org/buildbot/#/builders/169
So far the bot is happy, giving us some sense of LAM_U57 support being sane.
I'll add some tags to individual patches.