Messages in this thread | | | From | Linus Torvalds <> | Date | Thu, 16 Sep 2010 09:54:50 -0700 | Subject | Re: [RFC][PATCH] Cross Memory Attach |
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On Thu, Sep 16, 2010 at 9:27 AM, Peter Zijlstra <peterz@infradead.org> wrote: > On Wed, 2010-09-15 at 08:11 -0700, Linus Torvalds wrote: > >> if (copy_to) >> ret = copy_from_user(..); >> else >> ret = copy_to_user(..); >> kunmap(process_pages[i]); >> if (ret) >> goto out; > > Shouldn't we be using kmap_atomic()
Over a copy_to/from_user? Not bloody likely.
Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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