6490c4903d
To support Cooperative Memory Overcommitment (CMO), we need to check for failure from some of the tce hcalls. These changes for the pseries platform affect the powerpc architecture; patches for the other affected platforms are included in this patch. pSeries platform IOMMU code changes: * platform TCE functions must handle H_NOT_ENOUGH_RESOURCES errors and return an error. Architecture IOMMU code changes: * Calls to ppc_md.tce_build need to check return values and return DMA_MAPPING_ERROR for transient errors. Architecture changes: * struct machdep_calls for tce_build*_pSeriesLP functions need to change to indicate failure. * all other platforms will need updates to iommu functions to match the new calling semantics; they will return 0 on success. The other platforms default configs have been built, but no further testing was performed. Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| cmm.c | ||
| eeh.c | ||
| eeh_cache.c | ||
| eeh_driver.c | ||
| eeh_event.c | ||
| eeh_sysfs.c | ||
| firmware.c | ||
| hotplug-cpu.c | ||
| hotplug-memory.c | ||
| hvCall.S | ||
| hvCall_inst.c | ||
| hvconsole.c | ||
| hvcserver.c | ||
| iommu.c | ||
| kexec.c | ||
| lpar.c | ||
| msi.c | ||
| nvram.c | ||
| pci.c | ||
| pci_dlpar.c | ||
| phyp_dump.c | ||
| plpar_wrappers.h | ||
| power.c | ||
| pseries.h | ||
| ras.c | ||
| reconfig.c | ||
| rtasd.c | ||
| scanlog.c | ||
| setup.c | ||
| smp.c | ||
| xics.c | ||
| xics.h | ||