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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-06-30 09:53:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-06-30 09:53:43 -0700 |
| commit | 284341d2605da0ab231bc7486ff032c4f1563819 (patch) | |
| tree | fb72188066d343db7e55d3aa439af802cc05ea01 /arch | |
| parent | Merge tag 'pwm/for-4.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm (diff) | |
| parent | arc: unwind: warn only once if DW2_UNWIND is disabled (diff) | |
| download | linux-dev-284341d2605da0ab231bc7486ff032c4f1563819.tar.xz linux-dev-284341d2605da0ab231bc7486ff032c4f1563819.zip | |
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/Makefile | 2 | ||||
| -rw-r--r-- | arch/arc/kernel/stacktrace.c | 2 |
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile index d4df6be66d58..85814e74677d 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 e0efff15a5ae..b9192a653b7e 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 |