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Re: [Qemu-devel] [PATCH v3 0/2] Introduce default ram size in MachineCla

From: Nikunj A Dadhania
Subject: Re: [Qemu-devel] [PATCH v3 0/2] Introduce default ram size in MachineClass
Date: Thu, 05 Mar 2015 15:54:21 +0530
User-agent: Notmuch/0.17+27~gae47d61 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-redhat-linux-gnu)

Markus Armbruster <address@hidden> writes:

> Nikunj A Dadhania <address@hidden> writes:
>> Current DEFAULT_RAM_SIZE(128MB) enforced by QEMU would not work for
>> all machines. Introduce a default_ram_size as part of MachineClass.
>> The below patches has following behaviour:
>> 1) If the user does not provide "-m" option, machine's default ram
>>    size will be picked.
>> 2) In case the user provides memory that is lesser than machine's
>>    default ram size, we upscale the ram_size to machine's
>>    default_ram_size. A warning is displayed for the change that qemu
>>    has done.
> Please do not "improve" the user's explicit order that way.  Either
> execute the order as is, or reject it as invalid.

If there is consensus for doing this, I can change the patches

Rejection is also change of behaviour. Because till now, a VM would
start with any memory size, even if it's less that 128MB
(default_ram_size). With rejection, all those VMs would fail booting
displaying the warning. Is this OK?

> So far, we've always executed this order.
> [...]


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