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Re: [Xen-devel] [PATCH v3 06/10] xen/nodemask: Introduce a NODEMASK_PR() wrapper for printing
- To: Jan Beulich <JBeulich@xxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 30 Jul 2019 10:09:30 +0100
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- Cc: StefanoStabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 30 Jul 2019 09:09:42 +0000
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On 30/07/2019 09:58, Jan Beulich wrote:
> On 29.07.2019 14:12, Andrew Cooper wrote:
>> Rework nodes_addr() into nodemask_bits() and change the indirection to match
>> its cpumask_bits() counterpart, and update the caller.
>>
>> Use NODEMASK_PR() to fix up one opencoded access into nodemask.bits in
>> dump_domains().
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
> albeit I think that ...
>
>> @@ -58,6 +58,15 @@
>> #include <xen/numa.h>
>>
>> typedef struct { DECLARE_BITMAP(bits, MAX_NUMNODES); } nodemask_t;
>> +
>> +/*
>> + * printf arguments for a nodemask. Shorthand for using '%*pb[l]' when
>> + * printing a nodemask.
>> + */
>> +#define NODEMASK_PR(src) MAX_NUMNODES, nodemask_bits(src)
>> +
>> +#define nodemask_bits(src) ((src)->bits)
> ... it would be nice if nodemask_bits() was defined before its first
> use, no matter that such ordering is irrelevant for macros.
In this case, I decided that having NODEMASK_PR() closer to the
nodemask_t is more important, overall.
In practice, they are adjacent and remain so at the end of the series.
~Andrew
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