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SubjectRe: in_compat_syscall() returns from kernel thread for X86_32.
On Wed, Oct 17, 2018 at 07:37:42PM -0700, Andy Lutomirski wrote:

> I could get on board with:
>
> ({WARN_ON_ONCE(current->flags & PF_KTHREAD); true})
>
> The point of these accessors is to be used *in a syscall*.
>
> What on Earth is Lustre doing that makes it have this problem?

Plays with timestamps from a kernel thread, perhaps?
See the old .su joke about adenoidectomy with rectal access
for possible reasons for doing it that way...

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