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Re: [PATCH v3 08/28] arm64/sve: Kconfig update and conditional compilation support
- From: Catalin Marinas <catalin dot marinas at arm dot com>
- To: Dave Martin <Dave dot Martin at arm dot com>
- Cc: linux-arm-kernel at lists dot infradead dot org, linux-arch at vger dot kernel dot org, Okamoto Takayuki <tokamoto at jp dot fujitsu dot com>, libc-alpha at sourceware dot org, Ard Biesheuvel <ard dot biesheuvel at linaro dot org>, Szabolcs Nagy <szabolcs dot nagy at arm dot com>, Will Deacon <will dot deacon at arm dot com>, Richard Sandiford <richard dot sandiford at arm dot com>, Alex Bennée <alex dot bennee at linaro dot org>, kvmarm at lists dot cs dot columbia dot edu
- Date: Wed, 11 Oct 2017 15:29:08 +0100
- Subject: Re: [PATCH v3 08/28] arm64/sve: Kconfig update and conditional compilation support
- Authentication-results: sourceware.org; auth=none
- References: <1507660725-7986-1-git-send-email-Dave.Martin@arm.com> <1507660725-7986-9-git-send-email-Dave.Martin@arm.com>
On Tue, Oct 10, 2017 at 07:38:25PM +0100, Dave P Martin wrote:
> This patch adds CONFIG_ARM64_SVE to control building of SVE support
> into the kernel, and adds a stub predicate system_supports_sve() to
> control conditional compilation and runtime SVE support.
>
> system_supports_sve() just returns false for now: it will be
> replaced with a non-trivial implementation in a later patch, once
> SVE support is complete enough to be enabled safely.
>
> Signed-off-by: Dave Martin <Dave.Martin@arm.com>
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>