Re: [PATCH 24/31] kasan, vmalloc, arm64: mark vmalloc mappings as pgprot_tagged

[Marco Elver]

On Tue, Nov 30, 2021 at 11:07PM +0100, andrey.konovalov@xxxxxxxxx wrote:
> From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> 
> HW_TAGS KASAN relies on ARM Memory Tagging Extension (MTE). With MTE,
> a memory region must be mapped as MT_NORMAL_TAGGED to allow setting
> memory tags via MTE-specific instructions.
> 
> This change adds proper protection bits to vmalloc() allocations.
> These allocations are always backed by page_alloc pages, so the tags
> will actually be getting set on the corresponding physical memory.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> Co-developed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>

This is also missing Signed-off-by from Vincenzo.