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Re: [PATCH v2 26/28] arm64/sve: Add documentation
- From: Dave Martin <Dave dot Martin at arm dot com>
- To: Szabolcs Nagy <szabolcs dot nagy at arm dot com>
- Cc: linux-arm-kernel at lists dot infradead dot org, linux-arch at vger dot kernel dot org, Mark Rutland <mark dot rutland at arm dot com>, libc-alpha at sourceware dot org, Ard Biesheuvel <ard dot biesheuvel at linaro dot org>, Catalin Marinas <catalin dot marinas at arm dot com>, Will Deacon <will dot deacon at arm dot com>, Richard Sandiford <richard dot sandiford at arm dot com>, nd at arm dot com, Alex Bennée <alex dot bennee at linaro dot org>, kvmarm at lists dot cs dot columbia dot edu
- Date: Fri, 6 Oct 2017 18:37:15 +0100
- Subject: Re: [PATCH v2 26/28] arm64/sve: Add documentation
- Authentication-results: sourceware.org; auth=none
- References: <1504198860-12951-1-git-send-email-Dave.Martin@arm.com> <1504198860-12951-27-git-send-email-Dave.Martin@arm.com> <59D7A4AF.40408@arm.com>
On Fri, Oct 06, 2017 at 04:43:43PM +0100, Szabolcs Nagy wrote:
> On 31/08/17 18:00, Dave Martin wrote:
> > +9. System runtime configuration
> > +--------------------------------
> > +
> > +* To mitigate the ABI impact of expansion of the signal frame, a policy
> > + mechanism is provided for administrators, distro maintainers and developers
> > + to set the default vector length for userspace processes:
> > +
> > +/proc/cpu/sve_default_vector_length
>
>
> elsewhere in the patch series i see
>
> /proc/sys/abi/sve_default_vector_length
>
> is this supposed to be the same?
Good spot, thanks!
/proc/cpu/ was the old location: they should both say /proc/abi/.
I'll fix it.
---Dave