summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-06-30 09:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-30 09:53:43 -0700
commit284341d2605da0ab231bc7486ff032c4f1563819 (patch)
treefb72188066d343db7e55d3aa439af802cc05ea01 /arch
parent20bfdca19976994e5537aa786c39375bbd103b53 (diff)
parent9bd54517ee86cb164c734f72ea95aeba4804f10b (diff)
downloadlinux-284341d2605da0ab231bc7486ff032c4f1563819.tar.gz
linux-284341d2605da0ab231bc7486ff032c4f1563819.tar.xz
Merge tag 'arc-4.7-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fix from Vineet Gupta: "Reinstate dwarf unwinder/loadable-modules with new gnu tools" * tag 'arc-4.7-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: arc: unwind: warn only once if DW2_UNWIND is disabled ARC: unwind: ensure that .debug_frame is generated (vs. .eh_frame)
Diffstat (limited to 'arch')
-rw-r--r--arch/arc/Makefile2
-rw-r--r--arch/arc/kernel/stacktrace.c2
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index d4df6be..85814e7 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -66,8 +66,6 @@ endif
endif
-cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables
-
# By default gcc 4.8 generates dwarf4 which kernel unwinder can't grok
ifeq ($(atleast_gcc48),y)
cflags-$(CONFIG_ARC_DW2_UNWIND) += -gdwarf-2
diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index e0efff1..b9192a6 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -142,7 +142,7 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
* prelogue is setup (callee regs saved and then fp set and not other
* way around
*/
- pr_warn("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
+ pr_warn_once("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
return 0;
#endif