Messages in this thread | | | From | Florian Weimer <> | Subject | Re: [RFC PATCH v9 for 4.15 01/14] Restartable sequences system call | Date | Thu, 19 Oct 2017 19:01:52 +0200 |
| |
* Mathieu Desnoyers:
> Speaking of optimization, I think the rseq.c helper library > (and eventually glibc) should define the __rseq_abi TLS > variable with __attribute__((tls_model("initial-exec"))). > It provides faster, and signal-safe, accesses to the TLS > variable from libraries. > > The idea you were suggesting where the application could > override the glibc symbol with its own just ends up enforcing > an initial-exec model, but it looks like we can do this > directly from the library.
This really depends on how the programming model turns out once multiple libraries are involved. I think it's premature to discuss such details.
| |