Re: [REGRESSION] 998ef75ddb and aio-dio-invalidate-failure w/ data=journal

[H. Peter Anvin]

On October 5, 2015 1:22:44 PM PDT, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>We could probably do them outside the loop, rather than tightly around
>the actual move instructions. Peter (hpa), is there some sane
>interface to try to do that?

There are... in particular the get_user_try/catch mechanism, used among other things by the signal handing, as well as the copy functions (I don't have the original code in front of me so I don't have the context which would be appropriate.)


-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/