Re: [PATCH v2] arm64: compat: Implement misalignment fixups for multiword loads
- To: Ard Biesheuvel <ardb@kernel.org>
- Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>, Catalin Marinas <catalin.marinas@arm.com>, Arnd Bergmann <arnd@arndb.de>, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Marc Zyngier <maz@kernel.org>, Mark Brown <broonie@kernel.org>, ARM <debian-arm@lists.debian.org>, Vagrant Cascadian <vagrant@debian.org>, Riku Voipio <riku.voipio@iki.fi>, Steve McIntyre <steve@einval.com>
- Subject: Re: [PATCH v2] arm64: compat: Implement misalignment fixups for multiword loads
- From: Arnd Bergmann <arnd@arndb.de>
- Date: Fri, 1 Jul 2022 16:04:57 +0200
- Message-id: <[🔎] CAK8P3a0fVpbJGT_GYH9PuzxzQQ-JYUHcgb+odLPCYgoA6FOksQ@mail.gmail.com>
- In-reply-to: <[🔎] 20220701135322.3025321-1-ardb@kernel.org>
- References: <[🔎] 20220701135322.3025321-1-ardb@kernel.org>
On Fri, Jul 1, 2022 at 3:53 PM Ard Biesheuvel <ardb@kernel.org> wrote:
>
> v2: - drop some obsolete comments
> - emit a perf alignment-fault event for every handled instruction
> - use arm64_skip_faulting_instruction() to get the correct behavior
> wrt IT state and single step
> - use types with correct endianness annotation (instructions are
> always little endian on v7/v8+)
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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