Re: [PATCH kernel] powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table
On 07/21/2015 04:24 PM, Michael Ellerman wrote: On Mon, 2015-07-20 at 20:45 +1000, Alexey Kardashevskiy wrote: The existing code stores the amount of memory allocated for a TCE table. At the moment it uses @offset which is a virtual offset in the TCE table which is only correct for a one level tables and it does not include memory allocated for intermediate levels. When multilevel TCE table is requested, WARN_ON in tce_iommu_create_table() prints a warning. This adds an additional counter to pnv_pci_ioda2_table_do_alloc_pages() to count actually allocated memory. Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru --- I was sure I sent it already but could not find it anywhere so reposting. Sorry if it is a duplicate. Stable? No, this is for DDW patchset I recently posted and which did not get to any release yet. -- Alexey ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH kernel] powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table
On Mon, 2015-07-20 at 20:45 +1000, Alexey Kardashevskiy wrote: The existing code stores the amount of memory allocated for a TCE table. At the moment it uses @offset which is a virtual offset in the TCE table which is only correct for a one level tables and it does not include memory allocated for intermediate levels. When multilevel TCE table is requested, WARN_ON in tce_iommu_create_table() prints a warning. This adds an additional counter to pnv_pci_ioda2_table_do_alloc_pages() to count actually allocated memory. Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru --- I was sure I sent it already but could not find it anywhere so reposting. Sorry if it is a duplicate. Stable? cheers ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH kernel] powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table
On Mon, Jul 20, 2015 at 08:45:51PM +1000, Alexey Kardashevskiy wrote: The existing code stores the amount of memory allocated for a TCE table. At the moment it uses @offset which is a virtual offset in the TCE table which is only correct for a one level tables and it does not include memory allocated for intermediate levels. When multilevel TCE table is requested, WARN_ON in tce_iommu_create_table() prints a warning. This adds an additional counter to pnv_pci_ioda2_table_do_alloc_pages() to count actually allocated memory. Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru Reviewed-by: David Gibson da...@gibson.dropbear.id.au -- David Gibson| I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson pgpf4nL8qAbeX.pgp Description: PGP signature ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev