Gilles Chanteperdrix wrote: > Jan Kiszka wrote: >> Looks like your problem is x86-32 returning from interrupts with hard >> IRQs enabled (and therefore flushing the pipeline already over the >> interrupt handler). That should ideally be unified with x86-64 now, also >> as x86-64 may already gain better testing than 32 bit. > > I may have not understood right, but from my understanding, the big > difference between x86_32 and x86_64 is that interrupts flags are > virtualized in x86_32's entry.S. To unify x86_32 and x86_64 would > basically mean rewrite this. And the the two entry.S are separated, so > x86_32 has to be tested separately from x86_64.
For sure. But there will be more synergies in arch/x86/kernel/ipipe.c then, less #ifdefs. And the complexity of entry_32.S changes may decrease. Moreover, given the same design, there is also a higher probability to catch common problems. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux _______________________________________________ Adeos-main mailing list [email protected] https://mail.gna.org/listinfo/adeos-main
