summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/sigaltstack
diff options
context:
space:
mode:
authorAndy Lutomirski <luto@kernel.org>2016-05-03 19:31:52 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-04 08:34:14 +0200
commit91c6180572e2fec71701d646ffc40ad30986275c (patch)
tree744511878c8c2c3a4969632ad3c453c2d7d8c15c /tools/testing/selftests/sigaltstack
parentsignals/sigaltstack: Report current flag bits in sigaltstack() (diff)
downloadlinux-91c6180572e2fec71701d646ffc40ad30986275c.tar.xz
linux-91c6180572e2fec71701d646ffc40ad30986275c.zip
signals/sigaltstack: Change SS_AUTODISARM to (1U << 31)
Using bit 4 divides the space of available bits strangely. Use bit 31 instead so that we have a better chance of keeping flag and mode bits separate in the long run. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Amanieu d'Antras <amanieu@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de> Cc: Jason Low <jason.low2@hp.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Moore <pmoore@redhat.com> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Richard Weinberger <richard@nod.at> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Stas Sergeev <stsp@list.ru> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vladimir Davydov <vdavydov@parallels.com> Cc: linux-api@vger.kernel.org Link: http://lkml.kernel.org/r/bb996508a600af14b406810c3d58fe0e0d0afe0d.1462296606.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/selftests/sigaltstack')
-rw-r--r--tools/testing/selftests/sigaltstack/sas.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c
index 4280d0699792..1bb01258e559 100644
--- a/tools/testing/selftests/sigaltstack/sas.c
+++ b/tools/testing/selftests/sigaltstack/sas.c
@@ -18,7 +18,7 @@
#include <errno.h>
#ifndef SS_AUTODISARM
-#define SS_AUTODISARM (1 << 4)
+#define SS_AUTODISARM (1U << 31)
#endif
static void *sstack, *ustack;