On 19.12.2019 18:21, Jeff Law wrote: > On Thu, 2019-12-19 at 17:04 +0300, Kirill Tkhai wrote: >> CC: gcc-help@xxxxxxxxxxx >> >> Hi, gcc guys, >> >> this thread starts here: https://lkml.org/lkml/2019/12/19/403 >> >> There are two const variables: >> >> struct sched_class idle_sched_class >> and >> struct sched_class fair_sched_class, >> >> which are declared in two files idle.c and fair.c. >> >> 1)In Makefile the order is: idle.o fair.o >> 2)the variables go to the same ro section >> 3)there is no SORT(.*) keyword in linker script. >> >> Is it always true, that after linkage &idle_sched_class < &fair_sched_class? > I certainly wouldn't depend on it. The first and most obvious problem > is symbol sorting by the linker. Longer term I'd be worried about LTO > reordering things. > > In the end I'm pretty sure it'd be well outside what I'd be comfortable > depending on. Ok, I'd be comfortable too :) Thanks for the clarification, Jeff.
