From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: qemu-devel@nongnu.org
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
qemu-ppc@nongnu.org, "Michael S . Tsirkin" <mst@redhat.com>,
David Gibson <david@gibson.dropbear.id.au>
Subject: [Qemu-devel] [PATCH qemu 0/2] exec, spapr_pci: Advertise huge IOMMU pages
Date: Thu, 22 Dec 2016 16:22:10 +1100 [thread overview]
Message-ID: <20161222052212.49006-1-aik@ozlabs.ru> (raw)
These are to enable 16mb pages for IOMMU which should reduce
the amount of memory used for TCE tables in 256 times (compared
to 64k pages case). Please comment. Thanks!
Alexey Kardashevskiy (2):
exec, kvm, target-ppc: Move getrampagesize() to common code
spapr_pci: Advertise 16M IOMMU pages when available
include/exec/ram_addr.h | 1 +
include/qemu/mmap-alloc.h | 2 +
exec.c | 82 ++++++++++++++++++++++++++++++++++++
hw/ppc/spapr_pci.c | 3 ++
target-ppc/kvm.c | 105 ++--------------------------------------------
util/mmap-alloc.c | 25 +++++++++++
6 files changed, 116 insertions(+), 102 deletions(-)
--
2.11.0
next reply other threads:[~2016-12-22 5:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-22 5:22 Alexey Kardashevskiy [this message]
2016-12-22 5:22 ` [Qemu-devel] [PATCH qemu 1/2] exec, kvm, target-ppc: Move getrampagesize() to common code Alexey Kardashevskiy
2017-01-02 23:34 ` David Gibson
2017-02-09 5:43 ` Alexey Kardashevskiy
2017-02-09 11:48 ` Paolo Bonzini
2017-02-10 0:41 ` David Gibson
2017-02-28 8:12 ` Alexey Kardashevskiy
2017-03-01 1:06 ` David Gibson
2017-03-01 2:52 ` David Gibson
2016-12-22 5:22 ` [Qemu-devel] [PATCH qemu 2/2] spapr_pci: Advertise 16M IOMMU pages when available Alexey Kardashevskiy
2017-01-02 23:41 ` David Gibson
2017-01-09 2:06 ` Alexey Kardashevskiy
2017-01-12 5:09 ` David Gibson
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