On Wed, 14 Apr 2021 17:27:57 +0800 Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> wrote: > CAUTION: Email originated externally, do not click links or open attachments unless you recognize the sender and know the content is safe. > > > On Wed, 14 Apr 2021 11:10:42 +0200 > Christophe Leroy <christophe.leroy@xxxxxxxxxx> wrote: > > > > > Le 14/04/2021 à 10:58, Jisheng Zhang a écrit : > > > Many architectures implement the trap_init() as NOP, since there is > > > no such default for trap_init(), this empty stub is duplicated among > > > these architectures. Provide a generic but weak NOP implementation > > > to drop the empty stubs of trap_init() in these architectures. > > > > You define the weak function in the __init section. > > > > Most but not all architectures had it in __init section. > > > > And the remaining ones may not be defined in __init section. For instance look at the one in alpha > > architecture. > > > > Have you checked that it is not a problem ? It would be good to say something about it in the commit > > description. > > For those non-nop platforms, I can only test x86/arm64/, but both has > __init mark. I'm not sure whether this is a problem for alpha etc. Maybe > I can check which section the trap_init() sits. Or to avoid any possible > regression, I can add __init mark to those remaining ones without it in > preparation patches. > Hi, I found only three platforms don't have the __init marker for trap_init(), I will add the __init marker in three preparation patches in new version. thanks