From: Christoffer Dall <christoffer.dall@linaro.org>
To: Andrew Jones <drjones@redhat.com>
Cc: ard.biesheuvel@linaro.org, marc.zyngier@arm.com,
catalin.marinas@arm.com, qemu-devel@nongnu.org,
pbonzini@redhat.com, lersek@redhat.com,
kvmarm@lists.cs.columbia.edu
Subject: Re: [RFC/RFT PATCH v2 2/3] KVM: promote KVM_MEMSLOT_INCOHERENT to uapi
Date: Thu, 14 May 2015 12:34:33 +0200 [thread overview]
Message-ID: <20150514103433.GN32765@cbox> (raw)
In-Reply-To: <1431516714-25816-3-git-send-email-drjones@redhat.com>
On Wed, May 13, 2015 at 01:31:53PM +0200, Andrew Jones wrote:
> Commit 1050dcda30529 introduced KVM_MEMSLOT_INCOHERENT to flag memory
> regions that may have coherency issues due to mapping host system RAM
> as non-cacheable. This was introduced as a KVM internal flag, but now
> give KVM userspace access to it so that it may use it for hinting
> likely problematic regions. Also rename to KVM_MEM_UNCACHED.
>
> Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
WARNING: multiple messages have this Message-ID (diff)
From: Christoffer Dall <christoffer.dall@linaro.org>
To: Andrew Jones <drjones@redhat.com>
Cc: peter.maydell@linaro.org, ard.biesheuvel@linaro.org,
marc.zyngier@arm.com, catalin.marinas@arm.com,
qemu-devel@nongnu.org, agraf@suse.de, pbonzini@redhat.com,
j.fanguede@virtualopensystems.com, lersek@redhat.com,
kvmarm@lists.cs.columbia.edu, m.smarduch@samsung.com
Subject: Re: [Qemu-devel] [RFC/RFT PATCH v2 2/3] KVM: promote KVM_MEMSLOT_INCOHERENT to uapi
Date: Thu, 14 May 2015 12:34:33 +0200 [thread overview]
Message-ID: <20150514103433.GN32765@cbox> (raw)
In-Reply-To: <1431516714-25816-3-git-send-email-drjones@redhat.com>
On Wed, May 13, 2015 at 01:31:53PM +0200, Andrew Jones wrote:
> Commit 1050dcda30529 introduced KVM_MEMSLOT_INCOHERENT to flag memory
> regions that may have coherency issues due to mapping host system RAM
> as non-cacheable. This was introduced as a KVM internal flag, but now
> give KVM userspace access to it so that it may use it for hinting
> likely problematic regions. Also rename to KVM_MEM_UNCACHED.
>
> Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
next prev parent reply other threads:[~2015-05-14 10:25 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-13 11:31 [RFC/RFT PATCH v2 0/3] KVM: Introduce KVM_MEM_UNCACHED Andrew Jones
2015-05-13 11:31 ` [Qemu-devel] " Andrew Jones
2015-05-13 11:31 ` [RFC/RFT PATCH v2 1/3] arm/arm64: pageattr: add set_memory_nc Andrew Jones
2015-05-13 11:31 ` [Qemu-devel] " Andrew Jones
2015-05-14 11:05 ` Christoffer Dall
2015-05-14 11:05 ` [Qemu-devel] " Christoffer Dall
2015-05-14 13:46 ` Andrew Jones
2015-05-14 13:46 ` [Qemu-devel] " Andrew Jones
2015-05-15 14:51 ` Christoffer Dall
2015-05-15 14:51 ` [Qemu-devel] " Christoffer Dall
2015-05-18 15:53 ` Catalin Marinas
2015-05-18 15:53 ` [Qemu-devel] " Catalin Marinas
2015-05-19 10:03 ` Andrew Jones
2015-05-19 10:03 ` [Qemu-devel] " Andrew Jones
2015-05-19 11:18 ` Catalin Marinas
2015-05-19 11:18 ` [Qemu-devel] " Catalin Marinas
2015-05-19 11:38 ` Andrew Jones
2015-05-19 11:38 ` [Qemu-devel] " Andrew Jones
2015-05-20 10:01 ` Christoffer Dall
2015-05-20 10:01 ` [Qemu-devel] " Christoffer Dall
2015-05-20 11:24 ` Catalin Marinas
2015-05-20 11:24 ` [Qemu-devel] " Catalin Marinas
2015-05-23 1:08 ` Mario Smarduch
2015-05-23 1:08 ` [Qemu-devel] " Mario Smarduch
2015-05-25 17:11 ` Andrew Jones
2015-05-25 17:11 ` Andrew Jones
2015-05-27 1:08 ` Mario Smarduch
2015-05-27 1:08 ` Mario Smarduch
2015-05-13 11:31 ` [RFC/RFT PATCH v2 2/3] KVM: promote KVM_MEMSLOT_INCOHERENT to uapi Andrew Jones
2015-05-13 11:31 ` [Qemu-devel] " Andrew Jones
2015-05-14 10:12 ` Paolo Bonzini
2015-05-14 10:12 ` [Qemu-devel] " Paolo Bonzini
2015-05-14 10:34 ` Christoffer Dall [this message]
2015-05-14 10:34 ` Christoffer Dall
2015-05-13 11:31 ` [RFC/RFT PATCH v2 3/3] arm/arm64: KVM: implement 'uncached' mem coherency Andrew Jones
2015-05-13 11:31 ` [Qemu-devel] " Andrew Jones
2015-05-14 10:55 ` Christoffer Dall
2015-05-14 10:55 ` [Qemu-devel] " Christoffer Dall
2015-05-14 13:32 ` Andrew Jones
2015-05-14 13:32 ` Andrew Jones
2015-05-15 15:02 ` Christoffer Dall
2015-05-15 15:02 ` Christoffer Dall
2015-05-15 17:04 ` Andrew Jones
2015-05-15 17:04 ` Andrew Jones
2015-05-15 20:16 ` Jérémy Fanguède
2015-05-15 20:16 ` Jérémy Fanguède
2015-05-21 2:29 ` Mario Smarduch
2015-05-21 2:29 ` Mario Smarduch
2015-05-21 16:50 ` Andrew Jones
2015-05-21 16:50 ` Andrew Jones
2015-05-14 10:30 ` [RFC/RFT PATCH v2 0/3] KVM: Introduce KVM_MEM_UNCACHED Christoffer Dall
2015-05-14 10:30 ` [Qemu-devel] " Christoffer Dall
2015-05-14 11:09 ` Laszlo Ersek
2015-05-14 11:09 ` [Qemu-devel] " Laszlo Ersek
2015-05-14 11:29 ` Christoffer Dall
2015-05-14 11:29 ` [Qemu-devel] " Christoffer Dall
2015-05-14 11:31 ` Paolo Bonzini
2015-05-14 11:31 ` [Qemu-devel] " Paolo Bonzini
2015-05-14 11:36 ` Christoffer Dall
2015-05-14 11:36 ` [Qemu-devel] " Christoffer Dall
2015-05-14 11:38 ` Paolo Bonzini
2015-05-14 11:38 ` [Qemu-devel] " Paolo Bonzini
2015-05-14 12:00 ` Christoffer Dall
2015-05-14 12:00 ` [Qemu-devel] " Christoffer Dall
2015-05-14 12:08 ` Paolo Bonzini
2015-05-14 12:08 ` [Qemu-devel] " Paolo Bonzini
2015-05-14 12:24 ` Christoffer Dall
2015-05-14 12:24 ` [Qemu-devel] " Christoffer Dall
2015-05-14 12:28 ` Paolo Bonzini
2015-05-14 12:28 ` [Qemu-devel] " Paolo Bonzini
2015-05-14 12:34 ` Christoffer Dall
2015-05-14 12:34 ` [Qemu-devel] " Christoffer Dall
2015-05-14 13:01 ` Laszlo Ersek
2015-05-14 13:01 ` [Qemu-devel] " Laszlo Ersek
2015-05-14 12:38 ` Peter Maydell
2015-05-14 12:38 ` [Qemu-devel] " Peter Maydell
2015-05-14 13:00 ` Andrew Jones
2015-05-14 13:00 ` Andrew Jones
2015-05-14 13:32 ` Laszlo Ersek
2015-05-14 13:32 ` Laszlo Ersek
2015-05-14 13:48 ` Michael S. Tsirkin
2015-05-14 13:48 ` Michael S. Tsirkin
2015-05-14 14:19 ` Laszlo Ersek
2015-05-14 14:19 ` Laszlo Ersek
2015-05-14 14:41 ` Michael S. Tsirkin
2015-05-14 14:41 ` Michael S. Tsirkin
2015-05-15 9:00 ` Ard Biesheuvel
2015-05-15 9:00 ` Ard Biesheuvel
2015-05-14 10:31 ` Andrew Jones
2015-05-14 10:31 ` [Qemu-devel] " Andrew Jones
2015-05-14 10:37 ` Peter Maydell
2015-05-14 10:37 ` [Qemu-devel] " Peter Maydell
2015-05-14 13:03 ` Andrew Jones
2015-05-14 13:03 ` [Qemu-devel] " Andrew Jones
2015-05-14 13:11 ` Peter Maydell
2015-05-14 13:11 ` [Qemu-devel] " Peter Maydell
2015-05-14 13:33 ` Laszlo Ersek
2015-05-14 13:33 ` [Qemu-devel] " Laszlo Ersek
2015-05-14 13:36 ` Andrew Jones
2015-05-14 13:36 ` Andrew Jones
2015-05-15 15:09 ` Christoffer Dall
2015-05-15 15:09 ` Christoffer Dall
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