From: Ard Biesheuvel <ardb@google.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Ard Biesheuvel <ardb@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Subject: [PATCH v2 0/3] arm64 kpti fixes
Date: Mon, 27 Nov 2023 13:00:50 +0100 [thread overview]
Message-ID: <20231127120049.2258650-5-ardb@google.com> (raw)
From: Ard Biesheuvel <ardb@kernel.org>
A couple of fixes and tweaks for KPTI - the first patch is a true
regression in v6.7, the others are minor tweaks.
v2:
- add two more tweaks
- use correct method to test system cap before alternatives have been
applied
- move check into kpti_install_ng_mappings()
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Ard Biesheuvel (3):
arm64: Avoid enabling KPTI unnecessarily
arm64: mm: Only map KPTI trampoline if it is going to be used
arm64: Kconfig: drop KAISER reference from KPTI option description
arch/arm64/Kconfig | 2 +-
arch/arm64/kernel/cpufeature.c | 4 ++++
arch/arm64/mm/mmu.c | 3 +++
3 files changed, 8 insertions(+), 1 deletion(-)
--
2.43.0.rc1.413.gea7ed67945-goog
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next reply other threads:[~2023-11-27 12:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-27 12:00 Ard Biesheuvel [this message]
2023-11-27 12:00 ` [PATCH v2 1/3] arm64: Avoid enabling KPTI unnecessarily Ard Biesheuvel
2023-11-27 15:48 ` Will Deacon
2023-11-27 15:52 ` Ard Biesheuvel
2023-11-27 16:31 ` Will Deacon
2023-11-27 16:39 ` Ard Biesheuvel
2023-11-27 16:41 ` Will Deacon
2023-11-27 17:49 ` Mark Rutland
2023-11-28 11:03 ` Will Deacon
2023-11-28 14:13 ` Mark Rutland
2023-12-11 11:39 ` Will Deacon
2023-12-12 17:16 ` Mark Rutland
2023-11-28 11:06 ` Will Deacon
2023-11-27 12:00 ` [PATCH v2 2/3] arm64: mm: Only map KPTI trampoline if it is going to be used Ard Biesheuvel
2023-11-27 12:00 ` [PATCH v2 3/3] arm64: Kconfig: drop KAISER reference from KPTI option description Ard Biesheuvel
2023-11-27 12:47 ` [PATCH v2 0/3] arm64 kpti fixes Mark Rutland
2023-11-30 19:14 ` (subset) " Catalin Marinas
2023-12-11 20:27 ` Will Deacon
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