From: Ard Biesheuvel <ardb@kernel.org>
To: linux-arm-kernel@lists.infradead.org, linux@armlinux.org.uk
Cc: arnd@arndb.de, linus.walleij@linaro.org,
Ard Biesheuvel <ardb@kernel.org>
Subject: [PATCH 0/6] ARM: spectre-bhb fixes and tweaks
Date: Mon, 28 Mar 2022 15:47:08 +0200 [thread overview]
Message-ID: <20220328134714.205342-1-ardb@kernel.org> (raw)
A couple of bug fixes and tweaks for the ARM version of the Spectre BHB
mitigations. Patches #1 and #2 are bug fixes, the rest are minor
improvements for efficiency and maintainability.
Ard Biesheuvel (6):
ARM: spectre-bhb: enable for Cortex-A15
ARM: spectre-bhb: fix loop8 sequence for Thumb2
ARM: spectre-bhb: simplify BPIALL vector macro
ARM: spectre-bhb: use local DSB and elide ISB in loop8 sequence
ARM: spectre-bhb: avoid cross-subsection jump using a numbered label
ARM: spectre-bhb: rely on linker to emit cross-section literal loads
arch/arm/kernel/entry-armv.S | 53 ++++++++++----------
arch/arm/kernel/entry-common.S | 2 +-
arch/arm/mm/proc-v7-bugs.c | 1 +
3 files changed, 29 insertions(+), 27 deletions(-)
--
2.30.2
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next reply other threads:[~2022-03-28 13:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-28 13:47 Ard Biesheuvel [this message]
2022-03-28 13:47 ` [PATCH 1/6] ARM: spectre-bhb: enable for Cortex-A15 Ard Biesheuvel
2022-05-24 14:50 ` Jon Hunter
2022-05-24 14:50 ` Jon Hunter
2022-05-24 15:21 ` Ard Biesheuvel
2022-05-24 15:21 ` Ard Biesheuvel
2022-05-24 16:06 ` Jon Hunter
2022-05-24 16:06 ` Jon Hunter
2022-05-24 17:03 ` Russell King (Oracle)
2022-05-24 17:03 ` Russell King (Oracle)
2022-05-24 17:49 ` Jon Hunter
2022-05-24 17:49 ` Jon Hunter
2022-05-25 7:09 ` Ard Biesheuvel
2022-05-25 7:09 ` Ard Biesheuvel
2022-05-25 10:48 ` Jon Hunter
2022-05-25 10:48 ` Jon Hunter
2022-05-25 10:52 ` Ard Biesheuvel
2022-05-25 10:52 ` Ard Biesheuvel
2022-06-07 14:30 ` Jon Hunter
2022-06-07 14:30 ` Jon Hunter
2022-06-07 14:32 ` Ard Biesheuvel
2022-06-07 14:32 ` Ard Biesheuvel
2022-06-07 14:35 ` Jon Hunter
2022-06-07 14:35 ` Jon Hunter
2022-06-07 14:39 ` Ard Biesheuvel
2022-06-07 14:39 ` Ard Biesheuvel
2022-03-28 13:47 ` [PATCH 2/6] ARM: spectre-bhb: fix loop8 sequence for Thumb2 Ard Biesheuvel
2022-03-28 13:47 ` [PATCH 3/6] ARM: spectre-bhb: simplify BPIALL vector macro Ard Biesheuvel
2022-03-28 13:47 ` [PATCH 4/6] ARM: spectre-bhb: use local DSB and elide ISB in loop8 sequence Ard Biesheuvel
2022-03-28 13:47 ` [PATCH 5/6] ARM: spectre-bhb: avoid cross-subsection jump using a numbered label Ard Biesheuvel
2022-03-31 14:07 ` Russell King (Oracle)
2022-03-31 16:22 ` Ard Biesheuvel
2022-03-28 13:47 ` [PATCH 6/6] ARM: spectre-bhb: rely on linker to emit cross-section literal loads Ard Biesheuvel
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