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Re: [Xen-devel] [PATCH]: PVH: specify xen features strings cleany for PVH

>>> On 25.01.13 at 11:11, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2013-01-25 at 08:02 +0000, Jan Beulich wrote:
>> >>> On 25.01.13 at 00:13, Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> wrote:
>> > This is on top of what konrad already has in his linux tree so he
>> > can just apply it. Here's the final version of the file, just in case:
>> Looks okay to me, and I don't mind whether this
>> >         ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .ascii 
>> > "!writable_page_tables|pae_pgdir_above_4gb"; .asciz PVH_FEATURES_STR);
>> is done using the .ascii/.asciz or the simpler string concatenation
>> way, as long as the latter works.
> String concat in gas doesn't work like in C, you get a \0 at the join...

But this is going through the C preprocessor, and that one,
according to all I know, ought to concatenate adjacent strings.
But of course it depends between which translation phases
the preprocessor/compiler boundary is being set, so perhaps
doing it the .ascii/.asciz way is indeed the only universal one.


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