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

2017-10-17 Thread Christoffer Dall
On Tue, Oct 10, 2017 at 07:38:40PM +0100, Dave 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

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

2017-10-12 Thread Catalin Marinas
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

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

2017-10-10 Thread Dave Martin
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 Reviewed-by: