Messages in this thread |  | | Date | Fri, 3 Apr 2020 14:41:07 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/7] objtool: Add support for intra-function calls |
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On Fri, Apr 03, 2020 at 09:01:38AM +0100, Julien Thierry wrote: > > Last I found is in qcom_link_stack_sanitization() [2], but that's just a > workaround for a very specific hardware. In my local tree I just put the > function as STACK_FRAME_NON_STANDARD. But the code just saves the return > address, has 16 call instructions that just call the instruction after them, > restores the return address and lets the C-function return normally (and it > somehow fixes something for that hardware). > That sounds very much like the RSB flushing we do.
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