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Message-ID: <CAHk-=wjKy5503vYoj3ZizGz69iBos69wdrEujojuri67vV=BVQ@mail.gmail.com>
Date: Fri, 7 Jun 2019 13:10:51 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Andrey Konovalov <andreyknvl@...gle.com>,
Christoph Hellwig <hch@....de>
Cc: Linux ARM <linux-arm-kernel@...ts.infradead.org>,
sparclinux@...r.kernel.org, Linux-MM <linux-mm@...ck.org>,
Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
Catalin Marinas <catalin.marinas@....com>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Will Deacon <will.deacon@....com>,
Mark Rutland <mark.rutland@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Kees Cook <keescook@...omium.org>,
Yishai Hadas <yishaih@...lanox.com>,
Felix Kuehling <Felix.Kuehling@....com>,
Alexander Deucher <Alexander.Deucher@....com>,
Christian Koenig <Christian.Koenig@....com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Jens Wiklander <jens.wiklander@...aro.org>,
Alex Williamson <alex.williamson@...hat.com>,
Leon Romanovsky <leon@...nel.org>,
Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
Dave Martin <Dave.Martin@....com>,
Khalid Aziz <khalid.aziz@...cle.com>, enh <enh@...gle.com>,
Jason Gunthorpe <jgg@...pe.ca>,
Christoph Hellwig <hch@...radead.org>,
Dmitry Vyukov <dvyukov@...gle.com>,
Kostya Serebryany <kcc@...gle.com>,
Evgeniy Stepanov <eugenis@...gle.com>,
Lee Smith <Lee.Smith@....com>,
Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
Jacob Bramley <Jacob.Bramley@....com>,
Ruben Ayrapetyan <Ruben.Ayrapetyan@....com>,
Robin Murphy <robin.murphy@....com>,
Kevin Brodsky <kevin.brodsky@....com>,
Szabolcs Nagy <Szabolcs.Nagy@....com>
Subject: Re: [PATCH v2] uaccess: add noop untagged_addr definition
On Tue, Jun 4, 2019 at 5:04 AM Andrey Konovalov <andreyknvl@...gle.com> wrote:
>
> Architectures that support memory tagging have a need to perform untagging
> (stripping the tag) in various parts of the kernel. This patch adds an
> untagged_addr() macro, which is defined as noop for architectures that do
> not support memory tagging.
Ok, applied directly to my tree so that people can use this
independently starting with rc4 (which I might release tomorrow rather
than Sunday because I have some travel).
Linus
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