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
Patchset: 01 - powerpc/8xx: macro for handling CPU15 errata 02 - powerpc/8xx: Handle CR out of exception PROLOG/EPILOG 03 - powerpc/8xx: dont save CR in SCRATCH registers 04 - powerpc/8xx: Use SPRG2 instead of DAR for saving r3 05 - powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000 All changes have been successfully tested on MPC885 Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr> Tested-by: Christophe Leroy <christophe.le...@c-s.fr> --- v3: 01-06 no change ; 07-11 changed v4: 01-06 removed (already in scootwood.git next) ; 07-11 renamed 01-05 and respined against scootwood.git next arch/powerpc/kernel/head_8xx.S | 79 +++++++++++++++++++++++++++--------------- 1 file changed, 51 insertions(+), 28 deletions(-) _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
