Feedback wished on possible improvment of CPU15 errata handling on mpc8xx

2013-08-29 Thread leroy christophe
The mpc8xx powerpc has an errata identified CPU15 which is that whenever the last instruction of a page is a conditional branch to the last instruction of the next page, the CPU might do crazy things. To work around this errata, one of the workarounds proposed by freescale is: In the ITLB miss

Re: Feedback wished on possible improvment of CPU15 errata handling on mpc8xx

2013-08-29 Thread Joakim Tjernlund
Linuxppc-dev linuxppc-dev-bounces+joakim.tjernlund=transmode...@lists.ozlabs.org wrote on 2013/08/29 19:11:48: The mpc8xx powerpc has an errata identified CPU15 which is that whenever the last instruction of a page is a conditional branch to the last instruction of the next page, the CPU

Re: Feedback wished on possible improvment of CPU15 errata handling on mpc8xx

2013-08-29 Thread leroy christophe
Le 29/08/2013 19:57, Joakim Tjernlund a écrit : Linuxppc-dev linuxppc-dev-bounces+joakim.tjernlund=transmode...@lists.ozlabs.org wrote on 2013/08/29 19:11:48: The mpc8xx powerpc has an errata identified CPU15 which is that whenever the last instruction of a page is a conditional branch to the

Re: Feedback wished on possible improvment of CPU15 errata handling on mpc8xx

2013-08-29 Thread Joakim Tjernlund
leroy christophe christophe.le...@c-s.fr wrote on 2013/08/29 23:04:03: Le 29/08/2013 19:57, Joakim Tjernlund a écrit : Linuxppc-dev linuxppc-dev-bounces+joakim.tjernlund=transmode...@lists.ozlabs.org wrote on 2013/08/29 19:11:48: The mpc8xx powerpc has an errata identified CPU15 which