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Re: [PATCH] docs/system: Deprecate `-cpu ...,+feature,-feature` syntax

From: John Snow
Subject: Re: [PATCH] docs/system: Deprecate `-cpu ...,+feature,-feature` syntax
Date: Tue, 26 Jan 2021 19:14:36 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0

On 1/21/21 4:39 AM, Daniel P. Berrangé wrote:
On Wed, Jan 20, 2021 at 03:12:41PM -0500, Eduardo Habkost wrote:
The ordering semantics of +feature/-feature is tricky and not
obvious, and it requires a custom option parser.  Deprecate that
syntax so we can eventually remove the custom -cpu option parser
and plus_features/minus_features global variables in i386.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
  docs/system/deprecated.rst | 14 ++++++++++++++
  1 file changed, 14 insertions(+)

Ideally we would also print a warning on stderr when this deprecated
style is used.


It might break some tests to do that, though, but if it's not too gruesome it's probably worth it.

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