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37cd8ed90f
linux/arch/powerpc/platforms/cell
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Gerhard Stenzel 37cd8ed90f powerpc/cell: Make ptcal more reliable 
There have been a series of checkstops on QS21 related to
ptcal being set up incorrectly. On systems that only
have memory on a single node, ptcal fails when it gets
a pointer to memory on the remote node.

Moreover, agressive prefetching in memcpy and other
functions may accidentally touch the first cache line
of the page that we reserve for ptcal, which causes
an ECC checkstop.

We now allocate pages only from the specified node, moves the
ptcal area into the middle of the allocated page to avoid
potential prefetch problems and prints the address of the
ptcal area to facilitate diagnostics.

Signed-off-by: Gerhard Stenzel <gerhard.stenzel@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-05-15 16:43:42 +10:00
..
spufs New helper - current_umask() 2009-03-31 23:00:26 -04:00
axon_msi.c powerpc/cell/axon-msi: Fix MSI after kexec 2008-12-16 13:48:18 +11:00
beat_htab.c powerpc/cell: Use correct types in beat files 2009-01-08 16:25:16 +11:00
beat_hvCall.S [POWERPC] celleb: Move files for Beat hvcall interfaces 2008-04-24 21:08:13 +10:00
beat_interrupt.c powerpc: Change u64/s64 to a long long integer type 2009-01-13 14:47:59 +11:00
beat_interrupt.h [POWERPC] celleb: Move miscellaneous files for Beat 2008-04-24 21:08:14 +10:00
beat_iommu.c [POWERPC] celleb: Move files for Beat mmu and iommu 2008-04-24 21:08:13 +10:00
beat_smp.c [POWERPC] celleb: Move miscellaneous files for Beat 2008-04-24 21:08:14 +10:00
beat_spu_priv1.c [POWERPC] celleb: Move a file for SPU on Beat 2008-04-24 21:08:13 +10:00
beat_syscall.h [POWERPC] celleb: Move files for Beat hvcall interfaces 2008-04-24 21:08:13 +10:00
beat_udbg.c powerpc/cell: Use correct types in beat files 2009-01-08 16:25:16 +11:00
beat_wrapper.h [POWERPC] celleb: Move files for Beat hvcall interfaces 2008-04-24 21:08:13 +10:00
beat.c [POWERPC] celleb: Move miscellaneous files for Beat 2008-04-24 21:08:14 +10:00
beat.h [POWERPC] celleb: Move miscellaneous files for Beat 2008-04-24 21:08:14 +10:00
cbe_cpufreq_pervasive.c powerpc/cell: local_irq_save takes an unsigned long 2009-01-08 16:25:13 +11:00
cbe_cpufreq_pmi.c cpufreq acpi: only call _PPC after cpufreq ACPI init funcs got called already 2008-07-30 09:41:43 -07:00
cbe_cpufreq.c powerpc: Fix cpufreq drivers after cpufreq core changes 2009-01-11 21:32:01 -08:00
cbe_cpufreq.h [CELL] cbe_cpufreq: reorganize code 2007-07-20 21:41:38 +02:00
cbe_powerbutton.c powerpc/cell: Add support for power button of future IBM cell blades 2008-07-22 10:39:32 +10:00
cbe_regs.c [POWERPC] cell/cbe_regs.c: Add missing of_node_put 2007-12-20 17:13:51 +11:00
cbe_thermal.c sysdev: Pass the attribute to the low level sysdev show/store function 2008-07-21 21:55:02 -07:00
celleb_pci.c [POWERPC] celleb: Add support for PCI Express 2008-04-24 21:08:14 +10:00
celleb_pci.h [POWERPC] celleb: Add support for PCI Express 2008-04-24 21:08:14 +10:00
celleb_scc_epci.c powerpc: Change u64/s64 to a long long integer type 2009-01-13 14:47:59 +11:00
celleb_scc_pciex.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
celleb_scc_sio.c [POWERPC] celleb: Move the SCC related code for celleb 2008-04-24 21:08:13 +10:00
celleb_scc_uhc.c [POWERPC] celleb: Move the SCC related code for celleb 2008-04-24 21:08:13 +10:00
celleb_scc.h [POWERPC] celleb: Add support for PCI Express 2008-04-24 21:08:14 +10:00
celleb_setup.c powerpc: Remove default kexec/crash_kernel ops assignments 2008-12-23 15:13:28 +11:00
cpufreq_spudemand.c powerpc: Fix cpufreq drivers after cpufreq core changes 2009-01-11 21:32:01 -08:00
interrupt.c sparseirq, powerpc/cell: fix unused variable warning in interrupt.c 2009-03-16 09:21:57 +01:00
interrupt.h [POWERPC] cell: Add routines for managing PMU interrupts 2006-12-04 20:40:12 +11:00
io-workarounds.c powerpc: Wire up /proc/vmallocinfo to our ioremap() 2009-03-11 17:10:14 +11:00
io-workarounds.h [POWERPC] cell: Fix section mismatches in io-workarounds code 2008-05-15 20:49:57 +10:00
iommu.c dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) 2009-04-07 08:31:10 -07:00
Kconfig powerpc/cell: Select PCI for IBM_CELL_BLADE AND CELLEB 2009-04-28 13:52:23 +10:00
Makefile powerpc/cell: Fix Axon MSI driver dependencies 2009-03-11 17:11:33 +11:00
pervasive.c powerpc/cell: Cleanup sysreset_hack for IBM cell blades 2008-07-22 10:39:31 +10:00
pervasive.h powerpc/cell: Cleanup sysreset_hack for IBM cell blades 2008-07-22 10:39:31 +10:00
pmu.c [POWERPC] cell: Use machine_*_initcall() hooks in platform code 2008-01-17 14:57:15 +11:00
qpace_setup.c powerpc: setup default archdata for {of_}platform via bus_register_notifier 2009-03-24 13:47:30 +11:00
ras.c powerpc/cell: Make ptcal more reliable 2009-05-15 16:43:42 +10:00
ras.h [POWERPC] cell: add RAS support 2006-06-21 15:01:29 +10:00
setup.c powerpc: Remove default kexec/crash_kernel ops assignments 2008-12-23 15:13:28 +11:00
smp.c powerpc/cell: Fix GDB watchpoints, again 2008-12-01 09:40:18 +11:00
spider-pci.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
spider-pic.c powerpc: Fix irq_alloc_host() reference counting and callers 2008-06-09 13:51:16 +10:00
spu_base.c cpumask: Use mm_cpumask() wrapper instead of cpu_vm_mask 2009-03-24 13:47:29 +11:00
spu_callbacks.c powerpc: Change u64/s64 to a long long integer type 2009-01-13 14:47:59 +11:00
spu_fault.c powerpc/spufs: Use correct return value for spu_handle_mm_fault 2009-02-23 10:48:58 +11:00
spu_manage.c [POWERPC] Replace remaining __FUNCTION__ occurrences 2008-04-01 20:43:09 +11:00
spu_notify.c [POWERPC] Oprofile: Remove dependency on spufs module 2007-12-28 15:07:52 +11:00
spu_priv1_mmio.c cpumask: powerpc: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask 2008-12-26 22:23:39 +10:30
spu_priv1_mmio.h [POWERPC] cell: abstract spu management routines 2006-12-04 20:40:39 +11:00
spu_syscalls.c [POWERPC] Oprofile: Remove dependency on spufs module 2007-12-28 15:07:52 +11:00