Re: [PATCH v3 1/3] x86: relax GDT check in arch_set_info_guest()

[Jan Beulich <jbeulich@xxxxxxxx>]

On 22.05.2020 15:27, Andrew Cooper wrote:
> On 20/05/2020 08:53, Jan Beulich wrote:
>> It is wrong for us to check frames beyond the guest specified limit
>> (in the compat case another loop bound is already correct).
>>
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> I'm still not overly convinced this is a good idea, because all it will
> allow people to do is write lazy code which breaks on older Xen.

Sounds a little like keeping bugs for the sake of keeping things
broken. The range of misbehaving versions could be shrunk by
backporting this change; I didn't intend to though, so far.

> However, if you still insist, Acked-by: Andrew Cooper
> <andrew.cooper3@xxxxxxxxxx>

Thanks!

Jan