[v4] powerpc: Export thread_struct.used_vr/used_vsr to user space
mpe at ellerman.id.au
Thu Jul 21 20:57:29 AEST 2016
Simon Guo <wei.guo.simon at gmail.com> writes:
> Michael, Ben,
> On Fri, Jul 08, 2016 at 08:02:42PM +1000, Michael Ellerman wrote:
>> Benjamin Herrenschmidt <benh at kernel.crashing.org> writes:
>> > On Thu, 2016-07-07 at 23:21 +1000, Benjamin Herrenschmidt wrote:
>> >> I think the right fix is that if a restore_sigcontext() has the MSR
>> >> bits set,
>> >> it should set the corresponding used_* flag.
>> > Something like this:
>> > (totally untested)
>> Simon/Laurent, can you guys test this and let me know if it works for
>> your usecase.
> Sorry for the late reply. I tested Ben's patch and the fix works for the CRIU
> case mentioned before.
Can one of you send a properly formatted and signed-off patch.
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