Re: [Qemu-devel] [v9 Patch 4/6]Qemu: Add commandline -drive option 'hostcache'

[Kevin Wolf]

Am 22.11.2011 12:17, schrieb Stefan Hajnoczi:
> On Tue, Nov 22, 2011 at 9:55 AM, Kevin Wolf <address@hidden> wrote:
>> Am 22.11.2011 09:10, schrieb supriya kannery:
>>> Let us have the implementation for hostcache= as command line option, with
>>> the condition that if both cache= and hostcache= are specified together,
>>> then depending upon enable/disable value specified for hostcache,
>>> corresponding
>>> bit in cache flags can be set/reset. That way, there is a value add on
>>> specifying
>>> hostcache in cmdline as well as user will be able to control hostcache
>>> value from cmdline
>>> itself.
>>
>> The additional thing this would introduce is cache=unsafe hostcache=off.
>> Probably not the most common thing to have, but why not allow it now.
> 
> QEMU's command-line is hairy enough already.  I don't think this
> option is helpful until we can replace cache= completely.
> 
> This is a subjective issue though so if you want to take this option,
> Kevin, then please do.

In fact, I think I suggested removing it in an earlier version of the
series because I felt the same. I didn't have a strong enough opinion on
it to really insist on it, though. Discuss it with Supriya and I'll be
happy with whatever you decide.

Kevin