- On Nov 23, 2017, at 3:57 AM, Peter Zijlstra pet...@infradead.org wrote:
> On Thu, Nov 23, 2017 at 09:55:11AM +0100, Peter Zijlstra wrote:
>> On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
>> > +static inline __attribute__((always_inline))
>> > +int rseq_cmpeqv_storev(intp
- On Nov 23, 2017, at 3:55 AM, Peter Zijlstra pet...@infradead.org wrote:
> On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
>> +int percpu_list_push(struct percpu_list *list, struct percpu_list_node
>> *node)
>> +{
>> +intptr_t *targetptr, newval, expect;
>> +int cp
- On Nov 22, 2017, at 4:48 PM, Peter Zijlstra pet...@infradead.org wrote:
> On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
>> diff --git a/tools/testing/selftests/rseq/rseq-x86.h
>> b/tools/testing/selftests/rseq/rseq-x86.h
>> new file mode 100644
>> index ..63e
- On Nov 22, 2017, at 2:38 PM, Peter Zijlstra pet...@infradead.org wrote:
> On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
>> Implements two basic tests of RSEQ functionality, and one more
>> exhaustive parameterizable test.
>>
>> The first, "basic_test" only asserts that
On Thu, Nov 23, 2017 at 09:55:11AM +0100, Peter Zijlstra wrote:
> On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
> > +static inline __attribute__((always_inline))
> > +int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv,
> > + int cpu)
> > +{
> > + __a
On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
> +int percpu_list_push(struct percpu_list *list, struct percpu_list_node *node)
> +{
> + intptr_t *targetptr, newval, expect;
> + int cpu, ret;
> +
> + /* Try fast path. */
> + cpu = rseq_cpu_start();
> + /* Lo
On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
> diff --git a/tools/testing/selftests/rseq/rseq-x86.h
> b/tools/testing/selftests/rseq/rseq-x86.h
> new file mode 100644
> index ..63e81d6c61fa
> --- /dev/null
> +++ b/tools/testing/selftests/rseq/rseq-x86.h
> @@ -0,0
On Tue, Nov 21, 2017 at 09:18:53AM -0500, Mathieu Desnoyers wrote:
> Implements two basic tests of RSEQ functionality, and one more
> exhaustive parameterizable test.
>
> The first, "basic_test" only asserts that RSEQ works moderately
> correctly. E.g. that the CPUID pointer works.
>
> "basic_per
- On Nov 21, 2017, at 4:24 PM, Shuah Khan shua...@osg.samsung.com wrote:
> On 11/21/2017 02:22 PM, Mathieu Desnoyers wrote:
>> - On Nov 21, 2017, at 12:40 PM, shuah sh...@kernel.org wrote:
>>
>>> On 11/21/2017 10:05 AM, Mathieu Desnoyers wrote:
- On Nov 21, 2017, at 10:34 AM, shu
On 11/21/2017 02:22 PM, Mathieu Desnoyers wrote:
> - On Nov 21, 2017, at 12:40 PM, shuah sh...@kernel.org wrote:
>
>> On 11/21/2017 10:05 AM, Mathieu Desnoyers wrote:
>>> - On Nov 21, 2017, at 10:34 AM, shuah sh...@kernel.org wrote:
>>>
>>> [...]
> ---
> MAINTAINERS
- On Nov 21, 2017, at 12:40 PM, shuah sh...@kernel.org wrote:
> On 11/21/2017 10:05 AM, Mathieu Desnoyers wrote:
>> - On Nov 21, 2017, at 10:34 AM, shuah sh...@kernel.org wrote:
>>
>> [...]
---
MAINTAINERS|1 +
tools/testing/self
On 11/21/2017 10:05 AM, Mathieu Desnoyers wrote:
> - On Nov 21, 2017, at 10:34 AM, shuah sh...@kernel.org wrote:
>
> [...]
>>> ---
>>> MAINTAINERS|1 +
>>> tools/testing/selftests/Makefile |1 +
>>> tools/testing/selftests/rseq
- On Nov 21, 2017, at 10:34 AM, shuah sh...@kernel.org wrote:
[...]
>> ---
>> MAINTAINERS|1 +
>> tools/testing/selftests/Makefile |1 +
>> tools/testing/selftests/rseq/.gitignore|4 +
>
> Thanks for the .gitign
On 11/21/2017 07:18 AM, Mathieu Desnoyers wrote:
> Implements two basic tests of RSEQ functionality, and one more
> exhaustive parameterizable test.
>
> The first, "basic_test" only asserts that RSEQ works moderately
> correctly. E.g. that the CPUID pointer works.
>
> "basic_percpu_ops_test" is a
Implements two basic tests of RSEQ functionality, and one more
exhaustive parameterizable test.
The first, "basic_test" only asserts that RSEQ works moderately
correctly. E.g. that the CPUID pointer works.
"basic_percpu_ops_test" is a slightly more "realistic" variant,
implementing a few simple p
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