about summary refs log tree commit diff
path: root/sysdeps/alpha
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2021-12-03 16:28:07 +0100
committerFlorian Weimer <fweimer@redhat.com>2021-12-03 20:43:31 +0100
commit23c77f60181eb549f11ec2f913b4270af29eee38 (patch)
tree9436a2b96bea5e71e47306bb5b85eeb7f13992c1 /sysdeps/alpha
parent0656b649c56ea51cceb86e94842d89946cee919b (diff)
downloadglibc-23c77f60181eb549f11ec2f913b4270af29eee38.tar.gz
glibc-23c77f60181eb549f11ec2f913b4270af29eee38.tar.xz
glibc-23c77f60181eb549f11ec2f913b4270af29eee38.zip
nptl: Increase default TCB alignment to 32
rseq support will use a 32-byte aligned field in struct pthread,
so the whole struct needs to have at least that alignment.

nptl/tst-tls3mod.c uses TCB_ALIGNMENT, therefore include <descr.h>
to obtain the fallback definition.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/alpha')
-rw-r--r--sysdeps/alpha/nptl/pthreaddef.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/sysdeps/alpha/nptl/pthreaddef.h b/sysdeps/alpha/nptl/pthreaddef.h
index 25edb5093e..660e5694a2 100644
--- a/sysdeps/alpha/nptl/pthreaddef.h
+++ b/sysdeps/alpha/nptl/pthreaddef.h
@@ -27,8 +27,5 @@
 /* Minimal stack size after allocating thread descriptor and guard size.  */
 #define MINIMAL_REST_STACK	4096
 
-/* Alignment requirement for TCB.  */
-#define TCB_ALIGNMENT		16
-
 /* Location of current stack frame.  */
 #define CURRENT_STACK_FRAME	__builtin_frame_address (0)