On Fri, 9 Dec 2016 09:05:51 +0100
Henrik Austad wrote:
> Ah, perhaps I jumped the gun here. I don't think Linus has picked this one
> up yet, Steven sent out the patch yesterday.
Correct, and since it's rc8 and I've just finished testing this, I
think I'll just wait till the merge window to pu
On Fri, Dec 09, 2016 at 09:05:51AM +0100, Henrik Austad wrote:
> On Fri, Dec 09, 2016 at 08:22:05AM +0100, Greg KH wrote:
> > On Fri, Dec 09, 2016 at 07:34:04AM +0100, Henrik Austad wrote:
> > > Instead of using get_user_pages_fast() and kmap_atomic() when writing
> > > to the trace_marker file, ju
On Fri, Dec 09, 2016 at 08:22:05AM +0100, Greg KH wrote:
> On Fri, Dec 09, 2016 at 07:34:04AM +0100, Henrik Austad wrote:
> > Instead of using get_user_pages_fast() and kmap_atomic() when writing
> > to the trace_marker file, just allocate enough space on the ring buffer
> > directly, and write int
On Fri, Dec 09, 2016 at 07:34:04AM +0100, Henrik Austad wrote:
> Instead of using get_user_pages_fast() and kmap_atomic() when writing
> to the trace_marker file, just allocate enough space on the ring buffer
> directly, and write into it via copy_from_user().
>
> Writing into the trace_marker fil
Instead of using get_user_pages_fast() and kmap_atomic() when writing
to the trace_marker file, just allocate enough space on the ring buffer
directly, and write into it via copy_from_user().
Writing into the trace_marker file use to allocate a temporary buffer
to perform the copy_from_user(), as
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