Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change proposal)

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> On 11/1/22 07:38, Dominique Martinet wrote:
> 
> Has adding kernel support for DWARF unwinding been considered instead?

The references of the proposal has some discussion on this subject.  Basically, this was already considered and rejected by the kernel developers including Torvalds directly on the basis that DWARF unwinding support is simply too complex and nonperformant to be allowed in the kernel.  

https://www.kernel.org/doc/html/v5.3/x86/orc-unwinder.html#orc-vs-dwarf
https://lwn.net/Articles/728339
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