Messages in this thread | | | Date | Tue, 24 Oct 2017 12:53:38 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH 1/1] arm/stacktrace: stop unwinding after an invalid address. |
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On Tue, Oct 24, 2017 at 05:16:42PM +0530, Maninder Singh wrote: > This patch stops unwinding backtrace in case of below 2 cases. > > (Issue observed while porting stackdepot on ARM, duplicate > entries created in stackdepot > reference patch for workaround in stackdepot:- > https://lkml.org/lkml/2017/10/11/353 > ). > > 1. If address belongs to irq/exception code, ignore it. > save_stack+0x40/0xec > __set_page_owner+0x2c/0x64 > .... > .... > __handle_domain_irq+0x9c/0x130 > gic_handle_irq+0x40/0x80 > __irq_usr+0x4c/0x60 > 0xb6507818 > ^^^^^^^
However, we _do_ want to trace through an IRQ taken in SVC mode, but you completely remove all that code. So, not taking this patch, sorry.
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