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| author |  Michael Ellerman <mpe@ellerman.id.au>
| 2014-07-10 12:29:19 +1000 |
|---|---|---|
| committer |  Benjamin Herrenschmidt <benh@kernel.crashing.org>
| 2014-07-28 14:10:22 +1000 |
| commit | 376af5947c0e441ccbf98f0212d4ffbf171528f6 (patch) | |
| tree | 8d80f48caea9448257de40a2a9c7279cc80e60b0 /arch/powerpc/kernel/head_64.S | |
| parent | powerpc: Drop support for pre-POWER4 cpus (diff) | |
| download | linux-376af5947c0e441ccbf98f0212d4ffbf171528f6.tar.gz linux-376af5947c0e441ccbf98f0212d4ffbf171528f6.tar.bz2 linux-376af5947c0e441ccbf98f0212d4ffbf171528f6.zip | |
powerpc: Remove STAB code
Old cpus didn't have a Segment Lookaside Buffer (SLB), instead they had
a Segment Table (STAB). Now that we've dropped support for those cpus,
we can remove the STAB support entirely.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index a95145d7f61b..41ab76c3a94a 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -618,7 +618,7 @@ __secondary_start: addi r14,r14,THREAD_SIZE-STACK_FRAME_OVERHEAD std r14,PACAKSAVE(r13) - /* Do early setup for that CPU (stab, slb, hash table pointer) */ + /* Do early setup for that CPU (SLB and hash table pointer) */ bl early_setup_secondary /* @@ -771,8 +771,10 @@ start_here_multiplatform: li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) - /* Do very early kernel initializations, including initial hash table, - * stab and slb setup before we turn on relocation. */ + /* + * Do very early kernel initializations, including initial hash table + * and SLB setup before we turn on relocation. + */ /* Restore parameters passed from prom_init/kexec */ mr r3,r31 |