Re: [PATCH v7 16/41] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*

2020-11-04 Thread Andrey Konovalov
On Wed, Nov 4, 2020 at 8:30 PM Vasily Gorbik wrote: > > On Wed, Nov 04, 2020 at 08:22:07PM +0100, Andrey Konovalov wrote: > > On Wed, Nov 4, 2020 at 8:11 PM Vasily Gorbik wrote: > > > > > > On Mon, Nov 02, 2020 at 05:03:56PM +0100, Andrey Konovalov wrote: > > > > This is a preparatory commit for

Re: [PATCH v7 16/41] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*

2020-11-04 Thread Vasily Gorbik
On Wed, Nov 04, 2020 at 08:22:07PM +0100, Andrey Konovalov wrote: > On Wed, Nov 4, 2020 at 8:11 PM Vasily Gorbik wrote: > > > > On Mon, Nov 02, 2020 at 05:03:56PM +0100, Andrey Konovalov wrote: > > > This is a preparatory commit for the upcoming addition of a new hardware > > > tag-based (MTE-base

Re: [PATCH v7 16/41] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*

2020-11-04 Thread Andrey Konovalov
On Wed, Nov 4, 2020 at 8:11 PM Vasily Gorbik wrote: > > On Mon, Nov 02, 2020 at 05:03:56PM +0100, Andrey Konovalov wrote: > > This is a preparatory commit for the upcoming addition of a new hardware > > tag-based (MTE-based) KASAN mode. > > > > The new mode won't be using shadow memory, but will s

Re: [PATCH v7 16/41] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*

2020-11-04 Thread Vasily Gorbik
On Mon, Nov 02, 2020 at 05:03:56PM +0100, Andrey Konovalov wrote: > This is a preparatory commit for the upcoming addition of a new hardware > tag-based (MTE-based) KASAN mode. > > The new mode won't be using shadow memory, but will still use the concept > of memory granules. Each memory granule m

[PATCH v7 16/41] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*

2020-11-02 Thread Andrey Konovalov
This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. The new mode won't be using shadow memory, but will still use the concept of memory granules. Each memory granule maps to a single metadata entry: 8 bytes per one shadow byte for generic mode