On Thu, Sep 26, 2019 at 05:39:04PM +0800, Peter Xu wrote:
> @@ -490,8 +512,7 @@ vm_fault_t handle_userfault(struct vm_fault *vmf,
> unsigned long reason)
> up_read(>mmap_sem);
>
> if (likely(must_wait && !READ_ONCE(ctx->released) &&
> -(return_to_userland ?
Userfaultfd fault path was by default killable even if the caller does
not have FAULT_FLAG_KILLABLE. That makes sense before in that when
with gup we don't have FAULT_FLAG_KILLABLE properly set before. Now
after previous patch we've got FAULT_FLAG_KILLABLE applied even for
gup code so it should
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