On 4/22/2026 12:51 AM, Dylan Hatch wrote: > From: Weinan Liu <[email protected]> > > DWARF CFI (Call Frame Information) specifies how to recover the return > address and callee-saved registers at each PC in a given function. > Compilers are able to generate the CFI annotations when they compile > the code to assembly language. For handcrafted assembly, we need to > annotate them by hand. > > Annotate minimal CFI to enable stacktracing using SFrame for kernel > exception entries through el1*_64_*() paths and irq entries through > call_on_irq_stack() > > Signed-off-by: Weinan Liu <[email protected]> > Signed-off-by: Dylan Hatch <[email protected]> > Suggested-by: Jens Remus <[email protected]>
Reviewed-by: Jens Remus <[email protected]> > --- > arch/arm64/kernel/entry.S | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) Regards, Jens -- Jens Remus Linux on Z Development (D3303) [email protected] / [email protected] IBM Deutschland Research & Development GmbH; Vorsitzender des Aufsichtsrats: Wolfgang Wendt; Geschäftsführung: David Faller; Sitz der Gesellschaft: Ehningen; Registergericht: Amtsgericht Stuttgart, HRB 243294 IBM Data Privacy Statement: https://www.ibm.com/privacy/

