Date: Tue, 24 Nov 2015 13:20:24 -0800 From: Greg KH <gregkh@...uxfoundation.org> To: kernel-hardening@...ts.openwall.com Subject: Re: status: PAX_REFCOUNT On Tue, Nov 24, 2015 at 02:37:41PM -0500, David Windsor wrote: > I'm currently in the process of splitting PAX_REFCOUNT. > > It looks to touch a massive number of files. Many of the modifications occur > in drivers: > > dave@...ontium:~/src/linux-grsec-4.2$ grep -ril "atomic.*unchecked" | wc -l > 402 > dave@...ontium:~/src/linux-grsec-4.2$ grep -ril "atomic.*unchecked" drivers/ | > wc -l > 158 Odds are, we can take lots of these existing atomic usages and either replace them with a kref, or remove them, as I can't imagine that we need that many different atomic variables for things that are not just debugging things. thanks, greg k-h
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