diff options
| author | Michael Ellerman | 2014-07-10 04:29:20 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt | 2014-07-28 06:10:23 +0200 |
| commit | 13b3d13b813ab834fac67dc05f8b86dbcc29c134 (patch) | |
| tree | eb13d92d8920a73e5152be63cd4fb5622e65e3ad /arch/powerpc/kernel | |
| parent | powerpc: Remove STAB code (diff) | |
| download | kernel-qcow2-linux-13b3d13b813ab834fac67dc05f8b86dbcc29c134.tar.gz kernel-qcow2-linux-13b3d13b813ab834fac67dc05f8b86dbcc29c134.tar.xz kernel-qcow2-linux-13b3d13b813ab834fac67dc05f8b86dbcc29c134.zip | |
powerpc: Remove MMU_FTR_SLB
We now only support cpus that use an SLB, so we don't need an MMU
feature to indicate that.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 1 |
3 files changed, 3 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 6528c5e2cc44..d6b22e8c8ee1 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -482,16 +482,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_STCX_CHECKS_ADDRESS) ld r8,KSP(r4) /* new stack pointer */ #ifdef CONFIG_PPC_BOOK3S BEGIN_FTR_SECTION - BEGIN_FTR_SECTION_NESTED(95) clrrdi r6,r8,28 /* get its ESID */ clrrdi r9,r1,28 /* get current sp ESID */ - FTR_SECTION_ELSE_NESTED(95) +FTR_SECTION_ELSE clrrdi r6,r8,40 /* get its 1T ESID */ clrrdi r9,r1,40 /* get current sp 1T ESID */ - ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_1T_SEGMENT, 95) -FTR_SECTION_ELSE - b 2f -ALT_MMU_FTR_SECTION_END_IFSET(MMU_FTR_SLB) +ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_1T_SEGMENT) clrldi. r0,r6,2 /* is new ESID c00000000? */ cmpd cr1,r6,r9 /* or is new ESID the same as current ESID? */ cror eq,4*cr1+eq,eq diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index be99774d3f44..e39f388fc25c 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1175,7 +1175,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, #endif #ifdef CONFIG_PPC_STD_MMU_64 - if (mmu_has_feature(MMU_FTR_SLB)) { + { unsigned long sp_vsid; unsigned long llp = mmu_psize_defs[mmu_linear_psize].sllp; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index b694b0730971..1914791dd329 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -155,7 +155,6 @@ static struct ibm_pa_feature { } ibm_pa_features[] __initdata = { {0, 0, PPC_FEATURE_HAS_MMU, 0, 0, 0}, {0, 0, PPC_FEATURE_HAS_FPU, 0, 1, 0}, - {0, MMU_FTR_SLB, 0, 0, 2, 0}, {CPU_FTR_CTRL, 0, 0, 0, 3, 0}, {CPU_FTR_NOEXECUTE, 0, 0, 0, 6, 0}, {CPU_FTR_NODSISRALIGN, 0, 0, 1, 1, 1}, |