From: Will Deacon <will@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>
Cc: kernel-team@android.com, Will Deacon <will@kernel.org>,
David Hildenbrand <david@redhat.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Anshuman Khandual <anshuman.khandual@arm.com>,
Patrick Daly <pdaly@codeaurora.org>
Subject: Re: [PATCH] arm64: mte: Map hotplugged memory as Normal Tagged
Date: Wed, 10 Mar 2021 11:39:18 +0000 [thread overview]
Message-ID: <161537380816.1672865.12150780658089350868.b4-ty@kernel.org> (raw)
In-Reply-To: <20210309122601.5543-1-catalin.marinas@arm.com>
On Tue, 9 Mar 2021 12:26:01 +0000, Catalin Marinas wrote:
> In a system supporting MTE, the linear map must allow reading/writing
> allocation tags by setting the memory type as Normal Tagged. Currently,
> this is only handled for memory present at boot. Hotplugged memory uses
> Normal non-Tagged memory.
>
> Introduce pgprot_mhp() for hotplugged memory and use it in
> add_memory_resource(). The arm64 code maps pgprot_mhp() to
> pgprot_tagged().
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: mte: Map hotplugged memory as Normal Tagged
https://git.kernel.org/arm64/c/d15dfd31384b
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>
Cc: kernel-team@android.com, Will Deacon <will@kernel.org>,
David Hildenbrand <david@redhat.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Anshuman Khandual <anshuman.khandual@arm.com>,
Patrick Daly <pdaly@codeaurora.org>
Subject: Re: [PATCH] arm64: mte: Map hotplugged memory as Normal Tagged
Date: Wed, 10 Mar 2021 11:39:18 +0000 [thread overview]
Message-ID: <161537380816.1672865.12150780658089350868.b4-ty@kernel.org> (raw)
In-Reply-To: <20210309122601.5543-1-catalin.marinas@arm.com>
On Tue, 9 Mar 2021 12:26:01 +0000, Catalin Marinas wrote:
> In a system supporting MTE, the linear map must allow reading/writing
> allocation tags by setting the memory type as Normal Tagged. Currently,
> this is only handled for memory present at boot. Hotplugged memory uses
> Normal non-Tagged memory.
>
> Introduce pgprot_mhp() for hotplugged memory and use it in
> add_memory_resource(). The arm64 code maps pgprot_mhp() to
> pgprot_tagged().
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: mte: Map hotplugged memory as Normal Tagged
https://git.kernel.org/arm64/c/d15dfd31384b
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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next prev parent reply other threads:[~2021-03-10 11:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 12:26 [PATCH] arm64: mte: Map hotplugged memory as Normal Tagged Catalin Marinas
2021-03-10 19:24 ` Patrick Daly
2021-03-09 12:26 ` Catalin Marinas
2021-03-09 12:28 ` David Hildenbrand
2021-03-09 12:28 ` David Hildenbrand
2021-03-09 12:35 ` Vincenzo Frascino
2021-03-09 12:35 ` Vincenzo Frascino
2021-03-10 6:16 ` Patrick Daly
2021-03-10 7:05 ` Anshuman Khandual
2021-03-10 7:05 ` Anshuman Khandual
2021-03-10 11:39 ` Will Deacon [this message]
2021-03-10 11:39 ` Will Deacon
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