From: Marc Zyngier <maz@kernel.org>
To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, kernel-team@android.com,
kvmarm@lists.cs.columbia.edu
Subject: [PATCH 0/3] target/arm: Reduced-IPA space and highmem=off fixes
Date: Sun, 22 Aug 2021 15:44:38 +0100 [thread overview]
Message-ID: <20210822144441.1290891-1-maz@kernel.org> (raw)
With the availability of a fruity range of arm64 systems, it becomes
obvious that QEMU doesn't deal very well with limited IPA ranges when
used as a front-end for KVM.
This short series aims at making usable on such systems:
- the first patch makes the creation of a scratch VM IPA-limit aware
- the second one actually removes the highmem devices from the
computed IPA range when highmem=off
- the last one addresses an imprecision in the documentation for the
highmem option
This has been tested on an M1-based Mac-mini running Linux v5.14-rc6.
Marc Zyngier (3):
hw/arm/virt: KVM: Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating
scratch VM
hw/arm/virt: Honor highmem setting when computing highest_gpa
docs/system/arm/virt: Fix documentation for the 'highmem' option
docs/system/arm/virt.rst | 6 +++---
hw/arm/virt.c | 10 +++++++---
target/arm/kvm.c | 7 ++++++-
3 files changed, 16 insertions(+), 7 deletions(-)
--
2.30.2
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next reply other threads:[~2021-08-22 14:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-22 14:44 Marc Zyngier [this message]
2021-08-22 14:44 ` [PATCH 1/3] hw/arm/virt: KVM: Probe for KVM_CAP_ARM_VM_IPA_SIZE when creating scratch VM Marc Zyngier
2021-08-23 9:07 ` Andrew Jones
2021-09-08 7:16 ` Eric Auger
2021-08-22 14:44 ` [PATCH 2/3] hw/arm/virt: Honor highmem setting when computing highest_gpa Marc Zyngier
2021-09-07 12:58 ` Peter Maydell
2021-09-08 7:16 ` Eric Auger
2021-08-22 14:44 ` [PATCH 3/3] docs/system/arm/virt: Fix documentation for the 'highmem' option Marc Zyngier
2021-09-07 12:51 ` Peter Maydell
2021-09-07 17:09 ` Marc Zyngier
2021-09-07 18:25 ` Peter Maydell
2021-09-08 9:16 ` Marc Zyngier
2021-09-08 8:53 ` Eric Auger
2021-08-22 14:48 ` [PATCH 0/3] target/arm: Reduced-IPA space and highmem=off fixes Marc Zyngier
2021-09-07 12:52 ` Peter Maydell
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