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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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             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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