Re: [Xen-devel] [PATCH V2 0/9] xentrace/xenalyze support on ARM

[Ben Sanda <Ben.Sanda@xxxxxxxxxxxxxxx>]

Julien and Wei,

>> You patches all have the same subject line.  Please make them more 
>> specific. See my reply to #1 for example.
>
> +1
> 
> Also, you should at least check that Xen still builds after applying
> each patch. Ideally, you also need to be careful to not break any
> feature currently supported. It's useful when someone needs to 
> bisect the tree.
>
> For instance, you use the function get_pg_owner for ARM in patch #2 
> but introduce the function in patch #4. This will break ARM build. 
> So the patch #2 should be moved after #4.
>
> Furthermore, you remove the functions get_pg_owner and put_pg_owner 
> for x86 in patch #3 and then re-introduced them in patch #4. 
> Therefore, the x86 will be broken after #3. In this case, it's better
> to have a patch that move the 2 functions from x86 to common.

Thank you for the comments. I apologize for the errors in the patch
format. This is my first time submitting a patch to Xen and I was
unaware that the patch set order mattered or that I had to account for
a piecewise application of the patch set. I will attempt to resubmit
with this corrected and the patch names updated. 

So then it is permissible to have multiple file changes in one
patch/commit? E.g. a patch that removes from one file and  adds to
another in the same commit. I initially thought each patch/ commit was
only supposed to modify one file and that's why I did it that way

Thank you,
Ben Sanda

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