- On Nov 6, 2017, at 8:24 PM, Boqun Feng boqun.f...@gmail.com wrote:
> On Mon, Nov 06, 2017 at 03:56:31PM -0500, Mathieu Desnoyers wrote:
> [...]
>> +
>> +/*
>> + * struct rseq is aligned on 4 * 8 bytes to ensure it is always
>> + * contained within a single cache-line.
>> + *
>> + * A single
- On Nov 6, 2017, at 8:24 PM, Boqun Feng boqun.f...@gmail.com wrote:
> On Mon, Nov 06, 2017 at 03:56:31PM -0500, Mathieu Desnoyers wrote:
> [...]
>> +
>> +/*
>> + * struct rseq is aligned on 4 * 8 bytes to ensure it is always
>> + * contained within a single cache-line.
>> + *
>> + * A single
On Mon, Nov 06, 2017 at 03:56:31PM -0500, Mathieu Desnoyers wrote:
[...]
> +
> +/*
> + * struct rseq is aligned on 4 * 8 bytes to ensure it is always
> + * contained within a single cache-line.
> + *
> + * A single struct rseq per thread is allowed.
> + */
> +struct rseq {
> + /*
> + *
On Mon, Nov 06, 2017 at 03:56:31PM -0500, Mathieu Desnoyers wrote:
[...]
> +
> +/*
> + * struct rseq is aligned on 4 * 8 bytes to ensure it is always
> + * contained within a single cache-line.
> + *
> + * A single struct rseq per thread is allowed.
> + */
> +struct rseq {
> + /*
> + *
Expose a new system call allowing each thread to register one userspace
memory area to be used as an ABI between kernel and user-space for two
purposes: user-space restartable sequences and quick access to read the
current CPU number value from user-space.
* Restartable sequences (per-cpu
Expose a new system call allowing each thread to register one userspace
memory area to be used as an ABI between kernel and user-space for two
purposes: user-space restartable sequences and quick access to read the
current CPU number value from user-space.
* Restartable sequences (per-cpu
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