From: Thomas Huth <thuth@redhat.com>
To: David Hildenbrand <david@redhat.com>, qemu-devel@nongnu.org
Cc: Janosch Frank <frankja@linux.ibm.com>,
Cornelia Huck <cohuck@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-s390x@nongnu.org, Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v1 3/5] s390x/mmu: Implement Instruction-Execution-Protection Facility
Date: Tue, 1 Oct 2019 11:06:16 +0200 [thread overview]
Message-ID: <10a399fe-9933-c62c-8ac2-cc02ad5ec472@redhat.com> (raw)
In-Reply-To: <20190926101627.23376-4-david@redhat.com>
On 26/09/2019 12.16, 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.
>
> Let's keep s390_cpu_get_phys_page_debug() working even if IEP is
> active. Switch MMU_DATA_LOAD - this has no other effects any more as the
> ASC to be used is now fully selected outside of mmu_translate().
>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
> target/s390x/cpu.h | 1 +
> target/s390x/helper.c | 6 +++++-
> target/s390x/mmu_helper.c | 21 +++++++++++++++++++++
> 3 files changed, 27 insertions(+), 1 deletion(-)
Reviewed-by: Thomas Huth <thuth@redhat.com>
next prev parent reply other threads:[~2019-10-01 9:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 10:16 [PATCH v1 0/5] s390x/mmu: Implement more facilities David Hildenbrand
2019-09-26 10:16 ` [PATCH v1 1/5] s390x/mmu: Add EDAT2 translation support David Hildenbrand
2019-09-26 10:18 ` David Hildenbrand
2019-10-01 8:41 ` Thomas Huth
2019-10-01 8:51 ` David Hildenbrand
2019-10-01 8:55 ` Thomas Huth
2019-10-01 8:56 ` David Hildenbrand
2019-09-26 10:16 ` [PATCH v1 2/5] s390x/mmu: Implement ESOP-2 and access-exception-fetch/store-indication facility David Hildenbrand
2019-09-27 12:30 ` David Hildenbrand
2019-10-01 8:48 ` Thomas Huth
2019-09-26 10:16 ` [PATCH v1 3/5] s390x/mmu: Implement Instruction-Execution-Protection Facility David Hildenbrand
2019-10-01 9:06 ` Thomas Huth [this message]
2019-09-26 10:16 ` [PATCH v1 4/5] s390x/cpumodel: Prepare for changes of QEMU model David Hildenbrand
2019-09-26 10:16 ` [PATCH v1 5/5] s390x/cpumodel: Add new TCG features to QEMU cpu model David Hildenbrand
2019-10-07 17:00 ` Cornelia Huck
2019-10-04 13:23 ` [PATCH v1 0/5] s390x/mmu: Implement more facilities David Hildenbrand
2019-10-07 17:02 ` Cornelia Huck
2019-10-09 10:33 ` David Hildenbrand
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