Re: [PATCH v2] arm64: compat: Implement misalignment fixups for multiword loads
- To: Ard Biesheuvel <ardb@kernel.org>
- Cc: linux-arm-kernel@lists.infradead.org, arnd@arndb.de, will@kernel.org, mark.rutland@arm.com, maz@kernel.org, broonie@kernel.org, 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: Catalin Marinas <catalin.marinas@arm.com>
- Date: Mon, 5 Sep 2022 12:31:33 +0100
- Message-id: <YxXeFXpOKfvJwF/+@arm.com>
- In-reply-to: <[🔎] CAMj1kXETEypawv7nE7KPESh4c5SNYEO+jy2dUEgfOFM+EzBKFw@mail.gmail.com>
- References: <20220701135322.3025321-1-ardb@kernel.org> <Yw+VMDk6vLMl/qwr@arm.com> <[🔎] CAMj1kXETEypawv7nE7KPESh4c5SNYEO+jy2dUEgfOFM+EzBKFw@mail.gmail.com>
On Mon, Sep 05, 2022 at 12:04:47PM +0200, Ard Biesheuvel wrote:
> On Wed, 31 Aug 2022 at 19:07, Catalin Marinas <catalin.marinas@arm.com> wrote:
> > On Fri, Jul 01, 2022 at 03:53:22PM +0200, Ard Biesheuvel wrote:
> > > +config COMPAT_ALIGNMENT_FIXUPS
> > > + bool "Fix up misaligned multi-word loads and stores in user space"
> > > + default y
> >
> > For consistency with ARMV8_DEPRECATED, I think we should keep this as
> > default n.
>
> Fair enough. I take it you can fix this up while applying?
Yes.
--
Catalin
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