Re: Restartable Sequences system call merged into Linux

[Mathieu Desnoyers]

----- On Jun 15, 2018, at 1:10 AM, Florian Weimer fweimer@xxxxxxxxxx wrote:

> On 06/14/2018 03:46 PM, Mathieu Desnoyers wrote:
>> This would allow registering various TLS data structures with a single
>> system call without hindering flexibility on the user-space side. For
>> instance, we could still use initial-exec and the __rseq_abi symbol for
>> rseq with this approach.
>> 
>> Thoughts ?
> 
> Isn't this just a very narrow case of the usual batched syscalls
> proposal? 8-)

Pretty much. But let's not go there unless this is really needed.
It looks like the added syscall on thread creation is not an issue
so far.

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com