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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-12-18 19:13:38 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-21 14:21:16 +1100 |
| commit | f048aace29e007f2b642097e2da8231e0e9cce2d (patch) | |
| tree | 5e99b1d1d37817703132e97388994386a7bee8da /arch/powerpc/kernel/ppc_ksyms.c | |
| parent | 7c03d653cd257793dc40520c94e229b5fd0578e7 (diff) | |
| download | op-kernel-dev-f048aace29e007f2b642097e2da8231e0e9cce2d.zip op-kernel-dev-f048aace29e007f2b642097e2da8231e0e9cce2d.tar.gz | |
powerpc/mm: Add SMP support to no-hash TLB handling
This commit moves the whole no-hash TLB handling out of line into a
new tlb_nohash.c file, and implements some basic SMP support using
IPIs and/or broadcast tlbivax instructions.
Note that I'm using local invalidations for D->I cache coherency.
At worst, if another processor is trying to execute the same and
has the old entry in its TLB, it will just take a fault and re-do
the TLB flush locally (it won't re-do the cache flush in any case).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/ppc_ksyms.c')
| -rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 341b3d3..dcec132 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -116,12 +116,6 @@ EXPORT_SYMBOL(giveup_spe); #ifndef CONFIG_PPC64 EXPORT_SYMBOL(flush_instruction_cache); -EXPORT_SYMBOL(flush_tlb_kernel_range); -EXPORT_SYMBOL(flush_tlb_page); -EXPORT_SYMBOL(_tlbie); -#if defined(CONFIG_4xx) || defined(CONFIG_8xx) || defined(CONFIG_FSL_BOOKE) -EXPORT_SYMBOL(_tlbil_va); -#endif #endif EXPORT_SYMBOL(__flush_icache_range); EXPORT_SYMBOL(flush_dcache_range); |
