From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schwab Date: Tue, 21 Sep 2004 21:56:23 +0000 Subject: Re: [PATCH] ia32 support for NX when sigaction->sa_restorer == NULL Message-Id: List-Id: References: <4141D3B2.2030106@intel.com> In-Reply-To: <4141D3B2.2030106@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org Arun Sharma writes: > When userland doesn't specify sigaction->sa_restorer, we try to put > the restorer code on the stack. But this breaks ia32 binaries with > non-executable stacks. We now put the restorer code on a gate page. Does this work with nested signal handlers? Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany Key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."