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From: Linus Walleij <linus.walleij@linaro.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Abbott Liu <liuwenliang@huawei.com>,
	Russell King <linux@armlinux.org.uk>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 0/6 v14] KASan for Arm
Date: Mon, 5 Oct 2020 10:40:49 +0200	[thread overview]
Message-ID: <CACRpkdZRQJq1Xekffyi-NQ=Byu7XohVxyXx5TJVwEgtmGtsNwA@mail.gmail.com> (raw)
In-Reply-To: <CAMj1kXFWOnFcpKKVyDos4zLXkogPacrgtScVX=5uRYLXc+hxzA@mail.gmail.com>

On Sun, Oct 4, 2020 at 11:09 AM Ard Biesheuvel <ardb@kernel.org> wrote:

> OK, booting now - turns out the switch back to swapper_pg_dir needs a
> proper TLB flush as well.

Wow this is so nice, thanks a ton Ard!!

I folded this into my kasan init patch.

> The first change avoids reallocating KASAN blocks when a range gets
> mapped twice - this occurs when mapping the DTB space explicitly
> (although I am not sure that that is still needed now that you move
> the DTB)

Sooner or later someone is going to make this happen anyway
so better be safe than sorry.

Thanks!!
Linus Walleij

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  parent reply	other threads:[~2020-10-05  8:42 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-01 15:22 [PATCH 0/6 v14] KASan for Arm Linus Walleij
2020-10-01 15:22 ` [PATCH 1/6 v14] ARM: Handle a device tree in lowmem Linus Walleij
2020-10-01 16:45   ` Florian Fainelli
2020-10-01 20:31     ` Linus Walleij
2020-10-02 11:01   ` Ard Biesheuvel
2020-10-04 20:50     ` Linus Walleij
2020-10-05  7:14       ` Ard Biesheuvel
2020-10-05  9:14         ` Ard Biesheuvel
2020-10-05 13:27           ` Linus Walleij
2020-10-05 13:30             ` Linus Walleij
2020-10-05 13:36             ` Ard Biesheuvel
2020-10-05 14:22               ` Ard Biesheuvel
2020-10-06  9:11                 ` Linus Walleij
2020-10-06  9:16                   ` Ard Biesheuvel
2020-10-06  9:19                     ` Linus Walleij
2020-10-06  8:47           ` Linus Walleij
2020-10-06  8:48             ` Ard Biesheuvel
2020-10-05 12:26         ` Linus Walleij
2020-10-01 15:22 ` [PATCH 2/6 v14] ARM: Disable KASan instrumentation for some code Linus Walleij
2020-10-01 15:22 ` [PATCH 3/6 v14] ARM: Replace string mem* functions for KASan Linus Walleij
2020-10-01 15:22 ` [PATCH 4/6 v14] ARM: Define the virtual space of KASan's shadow region Linus Walleij
2020-10-01 15:22 ` [PATCH 5/6 v14] ARM: Initialize the mapping of KASan shadow memory Linus Walleij
2020-10-01 15:22 ` [PATCH 6/6 v14] ARM: Enable KASan for ARM Linus Walleij
2020-10-01 19:19 ` [PATCH 0/6 v14] KASan for Arm Florian Fainelli
2020-10-01 20:34   ` Linus Walleij
2020-10-01 20:38     ` Florian Fainelli
2020-10-01 21:18   ` Linus Walleij
2020-10-01 21:29     ` Arnd Bergmann
2020-10-01 21:35     ` Florian Fainelli
2020-10-03 15:50   ` Ard Biesheuvel
2020-10-04  8:06     ` Ard Biesheuvel
2020-10-04  8:41       ` Ard Biesheuvel
2020-10-04  9:09         ` Ard Biesheuvel
2020-10-04 20:24           ` Florian Fainelli
2020-10-05  8:40           ` Linus Walleij [this message]
2020-10-06 13:21 ` Linus Walleij

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