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3 Commits

Author SHA1 Message Date
Dave Martin 06a916feca arm64: Expose SVE2 features for userspace 
This patch provides support for reporting the presence of SVE2 and
its optional features to userspace.

This will also enable visibility of SVE2 for guests, when KVM
support for SVE-enabled guests is available.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2019-04-23 18:02:00 +01:00
Julien Grall afce0cc9ad Documentation/arm64/sve: Couple of improvements and typos 
- Fix mismatch between SVE registers (Z) and FPSIMD register (V)
  - Don't prefix the path for [3] with Linux to stay consistent with
    [1] and [2].

Signed-off-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2018-08-29 11:33:19 +01:00
Dave Martin ce6990813f arm64/sve: Add documentation 
This patch adds basic documentation of the user/kernel interface
provided by the for SVE.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alan Hayward <alan.hayward@arm.com>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Szabolcs Nagy <szabolcs.nagy@arm.com>
Cc: linux-api@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2017-11-03 15:24:21 +00:00