[PATCH v5 0/5] powerpc8xx: Further optimisation of TLB handling
root
christophe.leroy at c-s.fr
Sat Apr 18 02:32:50 AEST 2015
This patchset provides a further optimisation of TLB handling in the 8xx.
Changes are:
- Not saving registers like CR when not needed
- Adding support to any TASK_SIZE
Only the last patch of the set is changed compared to v4
Christophe Leroy (5):
powerpc/8xx: macro for handling CPU15 errata
powerpc/8xx: Handle CR out of exception PROLOG/EPILOG
powerpc/8xx: dont save CR in SCRATCH registers
powerpc/8xx: Use SPRG2 instead of DAR for saving r3
powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000
arch/powerpc/kernel/head_8xx.S | 79 +++++++++++++++++++++++++++---------------
1 file changed, 51 insertions(+), 28 deletions(-)
--
2.1.0
More information about the Linuxppc-dev
mailing list