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Re: [qemu-s390x] [PATCH-for-4.2 v1 7/9] s390x/mmu: Implement Instruction


From: Thomas Huth
Subject: Re: [qemu-s390x] [PATCH-for-4.2 v1 7/9] s390x/mmu: Implement Instruction-Execution-Protection Facility
Date: Mon, 19 Aug 2019 17:03:48 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 8/5/19 5:29 PM, David Hildenbrand wrote:
> IEP support in the mmu is fairly easy. Set the right permissions for TLB
> entries and properly report an exception.
> 
> Make sure to handle EDAT-2 by setting bit 56/60/61 of the TEID (TEC) to
> the right values.
> 
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
>  target/s390x/cpu.h        |  1 +
>  target/s390x/mmu_helper.c | 21 +++++++++++++++++++++
>  2 files changed, 22 insertions(+)

LGTM!

Reviewed-by: Thomas Huth <address@hidden>



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