tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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)

Linus Torvalds 284341d2 20bfdca1

+1 -3
-2
arch/arc/Makefile
··· 66 66 67 67 endif 68 68 69 - cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables 70 - 71 69 # By default gcc 4.8 generates dwarf4 which kernel unwinder can't grok 72 70 ifeq ($(atleast_gcc48),y) 73 71 cflags-$(CONFIG_ARC_DW2_UNWIND) += -gdwarf-2
+1 -1
arch/arc/kernel/stacktrace.c
··· 142 142 * prelogue is setup (callee regs saved and then fp set and not other 143 143 * way around 144 144 */ 145 - pr_warn("CONFIG_ARC_DW2_UNWIND needs to be enabled\n"); 145 + pr_warn_once("CONFIG_ARC_DW2_UNWIND needs to be enabled\n"); 146 146 return 0; 147 147 148 148 #endif