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Date:	Mon, 05 Oct 2015 13:49:41 -0700
From:	"H. Peter Anvin" <>
To:	Linus Torvalds <>,
	Dave Hansen <>
CC:	"Theodore Ts'o" <>,
	Andrew Morton <>,
	"" <>,
	Linux Kernel Mailing List <>
Subject: Re: [REGRESSION] 998ef75ddb and aio-dio-invalidate-failure w/ data=journal

On October 5, 2015 1:22:44 PM PDT, Linus Torvalds <> 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.
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