[PATCH v3 23/28] arm64/sve: KVM: Treat guest SVE use as undefined instruction execution

Catalin Marinas catalin.marinas at arm.com
Thu Oct 12 10:13:16 PDT 2017


On Tue, Oct 10, 2017 at 07:38:40PM +0100, Dave P Martin wrote:
> When trapping forbidden attempts by a guest to use SVE, we want the
> guest to see a trap consistent with SVE not being implemented.
> 
> This patch injects an undefined instruction exception into the
> guest in response to such an exception.
> 
> Signed-off-by: Dave Martin <Dave.Martin at arm.com>
> Reviewed-by: Alex Bennée <alex.bennee at linaro.org>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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