diff options
Diffstat (limited to 'arch/powerpc/platforms/cell')
| -rw-r--r-- | arch/powerpc/platforms/cell/Kconfig | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/ras.c | 17 |
2 files changed, 18 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 40e24c39ad0..50f17bdd3c1 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -13,7 +13,6 @@ config PPC_CELL_COMMON config PPC_CELL_NATIVE bool select PPC_CELL_COMMON - select PPC_OF_PLATFORM_PCI select MPIC select IBM_NEW_EMAC_EMAC4 select IBM_NEW_EMAC_RGMII @@ -25,6 +24,8 @@ config PPC_IBM_CELL_BLADE bool "IBM Cell Blade" depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE + select PPC_OF_PLATFORM_PCI + select PCI select MMIO_NVRAM select PPC_UDBG_16550 select UDBG_RTAS_CONSOLE @@ -33,6 +34,8 @@ config PPC_CELLEB bool "Toshiba's Cell Reference Set 'Celleb' Architecture" depends on PPC64 && PPC_BOOK3S select PPC_CELL_NATIVE + select PPC_OF_PLATFORM_PCI + select PCI select HAS_TXX9_SERIAL select PPC_UDBG_BEAT select USB_OHCI_BIG_ENDIAN_MMIO diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c index 5f961c464cc..296b5268754 100644 --- a/arch/powerpc/platforms/cell/ras.c +++ b/arch/powerpc/platforms/cell/ras.c @@ -122,12 +122,23 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order) area->nid = nid; area->order = order; - area->pages = alloc_pages_node(area->nid, GFP_KERNEL, area->order); + area->pages = alloc_pages_node(area->nid, GFP_KERNEL | GFP_THISNODE, + area->order); - if (!area->pages) + if (!area->pages) { + printk(KERN_WARNING "%s: no page on node %d\n", + __func__, area->nid); goto out_free_area; + } - addr = __pa(page_address(area->pages)); + /* + * We move the ptcal area to the middle of the allocated + * page, in order to avoid prefetches in memcpy and similar + * functions stepping on it. + */ + addr = __pa(page_address(area->pages)) + (PAGE_SIZE >> 1); + printk(KERN_DEBUG "%s: enabling PTCAL on node %d address=0x%016lx\n", + __func__, area->nid, addr); ret = -EIO; if (rtas_call(ptcal_start_tok, 3, 1, NULL, area->nid, |