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Ned Bass 16a9f68137 Autoconf check for buggy stack guard region 
Some buggy NPTL threading implementations include the guard area within
the stack size allocations.  In this case we need to allocate an extra
page to account for the guard area since we only have two pages of usable
stack on Linux.  Added an autoconf test that detects such implementations
by running a test program designed to segfault if the bug is present.
Set a flag NPTL_GUARD_WITHIN_STACK that is tested to decide if extra
stack space must be allocated for the guard area.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
 		2010-07-23 11:35:20 -07:00
..
Makefile.am Use old autoconf stratagy 2008-12-15 16:27:22 -08:00
Rules.am Only make compiler warnings fatal with --enable-debug 2010-07-14 10:41:48 -07:00
config.awk Allow zfs_config.h to be included by dependant packages (updated) 2010-03-22 16:42:18 -07:00
kernel-bdev-block-device-operations.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-bdev-logical-size.m4 Linux 2.6.31 logical block size compatibility. 2009-11-12 12:49:01 -08:00
kernel-bio-empty-barrier.m4 Required autoconf support for vdev_disk integration with 2.6.30 kernels. 2009-07-29 17:14:23 -07:00
kernel-bio-end-io-t-args.m4 Required autoconf support for vdev_disk integration with 2.6.30 kernels. 2009-07-29 17:14:23 -07:00
kernel-bio-rw-syncio.m4 Additional ZVOL compatibility autoconf checks and zconfig ZVOL sanity test. 2009-11-20 10:04:56 -08:00
kernel-blk-end-request.m4 Additional ZVOL compatibility autoconf checks and zconfig ZVOL sanity test. 2009-11-20 10:04:56 -08:00
kernel-blk-fetch-request.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-blk-requeue-request.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-blk-rq-bytes.m4 Additional ZVOL compatibility autoconf checks and zconfig ZVOL sanity test. 2009-11-20 10:04:56 -08:00
kernel-blk-rq-pos.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-blk-rq-sectors.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-fmode-t.m4 Add a check for the fmode_t type. 2009-12-23 14:42:32 -08:00
kernel-get-disk-ro.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel-invalidate-bdev-args.m4 Required autoconf support for vdev_disk integration with 2.6.30 kernels. 2009-07-29 17:14:23 -07:00
kernel-open-bdev-exclusive.m4 Required autoconf support for vdev_disk integration with 2.6.30 kernels. 2009-07-29 17:14:23 -07:00
kernel-rq-for-each_segment.m4 Additional ZVOL compatibility autoconf checks and zconfig ZVOL sanity test. 2009-11-20 10:04:56 -08:00
kernel-rq-is_sync.m4 Add autoconf checks for zvol integration. 2009-11-16 10:31:10 -08:00
kernel.m4 Use $target_cpu instead of `arch` 2010-07-14 12:44:42 -07:00
rpm.am Distro friendly build system / packaging improvements. 2009-07-01 10:53:05 -07:00
user-arch.m4 Move user-arch.m4 change from linux-libspl to zfs-branch. 2010-05-18 12:26:48 -07:00
user-frame-larger-than.m4 Add configure check for -Wframe-larger-than=<size> 2010-06-29 16:53:02 -07:00
user-ioctl.m4 Properly detect and set HAVE_GPL_ONLY_SYMBOLS based on license 2009-02-03 09:59:54 -08:00
user-libblkid.m4 Additional build system update for libefi library. 2009-10-14 15:47:41 -07:00
user-libshare.m4 Moving addition configure checks to m4 macros 2008-12-15 16:46:34 -08:00
user-libuuid.m4 Fix error message to reference the new libuuid package. 2010-05-20 10:00:03 -07:00
user-nptl_guard_within_stack.m4 Autoconf check for buggy stack guard region 2010-07-23 11:35:20 -07:00
user-zlib.m4 Update build system for libblkid integration 2009-10-15 16:25:18 -07:00
user.m4 Autoconf check for buggy stack guard region 2010-07-23 11:35:20 -07:00
zfs-build.m4 Restrict usage of -fstack-check option 2010-07-23 10:38:07 -07:00
zfs-meta.m4 Configure checks for kernel build options incompatible with the license 2010-03-08 10:27:42 -08:00