From: Russell King - ARM Linux admin <linux@armlinux•org.uk>
To: Ard Biesheuvel <ard.biesheuvel@linaro•org>
Cc: Juergen Gross <JGross@suse•com>, Joey Lee <JLee@suse•com>,
"linux-efi@vger•kernel.org" <linux-efi@vger•kernel.org>,
"guillaume.gardet@arm•com" <guillaume.gardet@arm•com>,
"linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
"rppt@linux•ibm.com" <rppt@linux•ibm.com>,
Chester Lin <clin@suse•com>,
"geert@linux-m68k•org" <geert@linux-m68k•org>,
"ren_guo@c-sky•com" <ren_guo@c-sky•com>, Gary Lin <GLin@suse•com>,
"akpm@linux-foundation•org" <akpm@linux-foundation•org>,
"mingo@kernel•org" <mingo@kernel•org>,
"linux-arm-kernel@lists•infradead.org"
<linux-arm-kernel@lists•infradead.org>
Subject: Re: [PATCH] efi/arm: fix allocation failure when reserving the kernel base
Date: Tue, 20 Aug 2019 12:54:09 +0100 [thread overview]
Message-ID: <20190820115409.GO13294@shell.armlinux.org.uk> (raw)
In-Reply-To: <CAKv+Gu-yaNYsLQOOcr8srW91-nt-w0e+RBqxXGOagiGGT69n1Q@mail.gmail.com>
On Sun, Aug 04, 2019 at 10:57:00AM +0300, Ard Biesheuvel wrote:
> (The first TEXT_OFFSET bytes are no longer used in practice, which is
> why putting a reserved region of 4 KB bytes works at the moment, but
> this is fragile).
That is not correct for 32-bit ARM. The swapper page table is still
located 16kiB below the kernel.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2019-08-20 11:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-02 5:38 [PATCH] efi/arm: fix allocation failure when reserving the kernel base Chester Lin
2019-08-04 7:57 ` Ard Biesheuvel
2019-08-14 7:58 ` Guillaume Gardet
2019-08-15 7:59 ` Ard Biesheuvel
2019-08-15 11:16 ` Chester Lin
2019-08-15 11:32 ` Ard Biesheuvel
2019-08-15 13:37 ` Mike Rapoport
2019-08-19 7:56 ` Chester Lin
2019-08-19 14:56 ` Ard Biesheuvel
2019-08-20 7:33 ` Chester Lin
2019-08-20 7:49 ` Mike Rapoport
2019-08-20 10:29 ` Chester Lin
2019-08-20 11:00 ` Ard Biesheuvel
2019-08-20 11:54 ` Russell King - ARM Linux admin [this message]
2019-08-20 12:27 ` Ard Biesheuvel
2019-08-20 11:56 ` Russell King - ARM Linux admin
2019-08-20 12:28 ` Ard Biesheuvel
2019-08-21 6:10 ` Chester Lin
2019-08-21 6:35 ` Ard Biesheuvel
2019-08-21 7:11 ` Mike Rapoport
2019-08-21 7:22 ` Chester Lin
2019-08-21 7:29 ` Ard Biesheuvel
2019-08-21 8:29 ` Mike Rapoport
2019-08-21 9:42 ` Ard Biesheuvel
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