Messages in this thread |  | | From | Alan Cox <> | Subject | Re: CLONE_FILES problem. | Date | Mon, 19 Aug 1996 12:47:41 +0100 (BST) |
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> Memory mappings can of course use counters, but you'd have to add the > appropriate unlock calls to every procedure which uses verify_area. > This is probably something that should have been done from the beginning...
This is a thing for 2.1, swapping most memcpy_fromfs() etc with
err=memcpy_verify_fromfs(...) if(err) ...
And putting in seperate locking for the cases where we cant just try a copy then back out (eg networking copy/checksum stuff).
Alan
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