----- On Nov 16, 2017, at 11:18 AM, Peter Zijlstra peterz@xxxxxxxxxxxxx wrote:
> On Tue, Nov 14, 2017 at 03:03:51PM -0500, Mathieu Desnoyers wrote:
>> @@ -977,6 +978,13 @@ struct task_struct {
>> unsigned long numa_pages_migrated;
>> #endif /* CONFIG_NUMA_BALANCING */
>>
>> +#ifdef CONFIG_RSEQ
>> + struct rseq __user *rseq;
>> + u32 rseq_len;
>> + u32 rseq_sig;
>> + bool rseq_preempt, rseq_signal, rseq_migrate;
>
> No bool please. Use something that has a defined size in ILP32/LP64.
> _Bool makes it absolutely impossible to speculate on structure layout
> across architectures.
I should as well make all those a bitmask within a "u32 rseq_event_mask" then,
sounds fair ?
Thanks,
Mathieu
>
>> +#endif
>> +
>> struct tlbflush_unmap_batch tlb_ubc;
>>
> > struct rcu_head rcu;
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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