Re: [Xen-devel] [PATCH] xen/arm: traps: Add missing 0x in bad_trap

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.05.14 at 15:25, <julien.grall@xxxxxxxxxx> wrote:
> On 05/02/2014 02:21 PM, Ian Campbell wrote:
>> On Fri, 2014-05-02 at 14:19 +0100, Julien Grall wrote:
>>> On 05/02/2014 01:56 PM, Ian Campbell wrote:
>>>> On Thu, 2014-04-10 at 12:44 +0100, Julien Grall wrote:
>>>>> The syndrome value is printed in hexadecimal. Prefix it by 0x for less
>>>>> confusion.
>>>>>
>>>>> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
>>>>
>>>> I've acked + applied this. Irrespective of any apparent move to prefer %
>>>> #x this is an improvement.
>>>
>>> Thanks. So what was the conclusion about % vs #x. Which one shall we use?
>> 
>> I'm perfectly fine with 0x%x for ARM code. I think Andy's comment about
>> "Xen moving towards" was overstating things somewhat.
> 
> Ok. FIY, Jan Beulich asked me to change some 0x%x into #x in common code
> when I sent patch a couple of month ago.

I can only repeat that: The format string is one byte shorter with
the %#x form, and since this accumulates and we shouldn't be
making the hypervisor image bigger than it needs to be, I think we
should prefer that form. But of course - as everywhere - the
maintainer(s) of a particular piece of code has/have the final say.

Jan


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