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Re: [Qemu-ppc] KVM and variable-endianness guest CPUs
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-ppc] KVM and variable-endianness guest CPUs |
Date: |
Tue, 28 Jan 2014 10:34:51 +1100 |
On Wed, 2014-01-22 at 20:02 +0000, Peter Maydell wrote:
>
> Defining it as being always guest-order would mean that
> userspace had to continually look at the guest CPU
> endianness bit, which is annoying and awkward.
>
> Defining it as always host-endian order is the most
> reasonable option available. It also happens to work
> for the current QEMU code, which is nice.
No.
Having a byte array coming in that represents what the CPU does in its
current byte order means you do *NOT* need to query the endianness of
the guest CPU from userspace.
Ben.
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, (continued)
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Christoffer Dall, 2014/01/23
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Victor Kamensky, 2014/01/23
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Christoffer Dall, 2014/01/23
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Victor Kamensky, 2014/01/23
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Christoffer Dall, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Victor Kamensky, 2014/01/23
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs,
Benjamin Herrenschmidt <=
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Peter Maydell, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Christoffer Dall, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Christoffer Dall, 2014/01/28
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] KVM and variable-endianness guest CPUs, Benjamin Herrenschmidt, 2014/01/27
- Re: [Qemu-ppc] [Qemu-devel] KVM and variable-endianness guest CPUs, Avi Kivity, 2014/01/28
- Re: [Qemu-ppc] [Qemu-devel] KVM and variable-endianness guest CPUs, Avi Kivity, 2014/01/28