Date: Wed, 27 Aug 2008 11:19:49 +1000 From: Andrew Reilly <andrew-freebsd@areilly.bpc-users.org> To: Alfred Perlstein <alfred@freebsd.org> Cc: freebsd-arch@freebsd.org, Ivan Voras <ivoras@freebsd.org>, Matthew Macy <mat.macy@gmail.com> Subject: Re: FreeBSD and DEP aka "NX bit"? Message-ID: <20080827011949.GA98242@duncan.reilly.home> In-Reply-To: <20080826162807.GF16977@elvis.mu.org> References: <g8q8i5$s9g$2@ger.gmane.org> <3c1674c90808231713x47e42de5oa9fc2f2f244d2e74@mail.gmail.com> <20080826074943.GB85357@duncan.reilly.home> <20080826162807.GF16977@elvis.mu.org>
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On Tue, Aug 26, 2008 at 09:28:07AM -0700, Alfred Perlstein wrote: > * Andrew Reilly <andrew-freebsd@areilly.bpc-users.org> [080826 00:51] wrote: > > I've been using 7-STABLE on amd64 for a long time, and haven't > > noticed any problems with Java or SBCL lisp or PLT-scheme, all > > of which use JIT code generation (but probably neither use > > jemalloc?) > > mprotect(2)? Fair enough. Good to know that it's actually tweaking the NX permissions, I guess. The man page seems a little vague about when it might succeed, and what effect it might have... Cheers, -- Andrew
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