On Sat, Dec 07, 2019 at 05:20:04PM +0000, Christophe Leroy wrote: > call_do_irq() and call_do_softirq() are simple enough to be > worth inlining. > > Inlining them avoids an mflr/mtlr pair plus a save/reload on stack. > It also allows GCC to keep the saved ksp_limit in an nonvolatile reg. > > This is inspired from S390 arch. Several other arches do more or > less the same. The way sparc arch does seems odd thought.
Any reason you only do this for 32-bit and not 64-bit as well?
