[PATCH v9 29/29] arm64: mte: Add Memory Tagging Extension documentation

Will Deacon will at kernel.org
Thu Sep 17 04:11:08 EDT 2020

On Fri, Sep 04, 2020 at 11:30:29AM +0100, Catalin Marinas wrote:
> From: Vincenzo Frascino <vincenzo.frascino at arm.com>
> Memory Tagging Extension (part of the ARMv8.5 Extensions) provides
> a mechanism to detect the sources of memory related errors which
> may be vulnerable to exploitation, including bounds violations,
> use-after-free, use-after-return, use-out-of-scope and use before
> initialization errors.
> Add Memory Tagging Extension documentation for the arm64 linux
> kernel support.
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com>
> Co-developed-by: Catalin Marinas <catalin.marinas at arm.com>
> Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> Acked-by: Szabolcs Nagy <szabolcs.nagy at arm.com>

I'm taking this to mean that Szabolcs is happy with the proposed ABI --
please shout if that's not the case!

Wasn't there a man page kicking around too? Would be good to see that
go upstream (to the manpages project, of course).


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