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Re: [PATCH v3 15/28] arm64: cpufeature: Move sys_caps_initialised declarations
- 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 17:50:37 +0100
- Subject: Re: [PATCH v3 15/28] arm64: cpufeature: Move sys_caps_initialised declarations
- Authentication-results: sourceware.org; auth=none
- References: <1507660725-7986-1-git-send-email-Dave.Martin@arm.com> <1507660725-7986-16-git-send-email-Dave.Martin@arm.com>
On Tue, Oct 10, 2017 at 07:38:32PM +0100, Dave P Martin wrote:
> update_cpu_features() currently cannot tell whether it is being
> called during early or late secondary boot. This doesn't
> desperately matter for anything it currently does.
>
> However, SVE will need to know here whether the set of available
> vector lengths is fixed of still to be determined when booting a
> CPU so that it can be updated appropriately.
>
> This patch simply moves the sys_caps_initialised stuff to the top
> of the file so that it can be more widely. There doesn't seem to
> be a more obvious place to put it.
>
> Signed-off-by: Dave Martin <Dave.Martin@arm.com>
> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>