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Jack Steiner 34d8a380d7 GRU Driver: hardware data structures ... This series of patches adds a driver for the SGI UV GRU. The driver is still in development but it currently compiles for both x86_64 & IA64. All simple regression tests pass on IA64. Although features remain to be added, I'd like to start the process of getting the driver into the kernel. Additional kernel drivers will depend on services provide by the GRU driver. The GRU is a hardware resource located in the system chipset. The GRU contains memory that is mmaped into the user address space. This memory is used to communicate with the GRU to perform functions such as load/store, scatter/gather, bcopy, AMOs, etc. The GRU is directly accessed by user instructions using user virtual addresses. GRU instructions (ex., bcopy) use user virtual addresses for operands. The GRU contains a large TLB that is functionally very similar to processor TLBs. Because the external contains a TLB with user virtual address, it requires callouts from the core VM system when certain types of changes are made to the process page tables. There are several MMUOPS patches currently being discussed but none has been accepted into the kernel. The GRU driver is built using version V18 from Andrea Arcangeli. This patch: Contains the definitions of the hardware GRU data structures that are used by the driver to manage the GRU. [akpm@linux-foundation;org: export hpage_shift] Signed-off-by: Jack Steiner <steiner@sgi.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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configs	[IA64] move defconfig to arch/ia64/configs/	17 years ago
dig	…
hp	dma-mapping: add the device argument to dma_mapping_error()	17 years ago
ia32	flag parameters: pipe	17 years ago
kernel	tracehook: wait_task_inactive	17 years ago
kvm	KVM: ia64: Fix irq disabling leak in error handling code	17 years ago
lib	[IA64] export copy_page() to modules	17 years ago
mm	GRU Driver: hardware data structures	17 years ago
oprofile	…
pci	PCI: ia64: use generic pci_enable_resources()	17 years ago
scripts	[IA64] don't assume that unwcheck.py is executable	17 years ago
sn	dma-mapping: add the device argument to dma_mapping_error()	17 years ago
uv	[IA64] Fix CONFIG_IA64_SGI_UV build error	17 years ago
Kconfig	[IA64] Remove experimental status of kdump	17 years ago
Kconfig.debug	…
Makefile	Pull pvops into release branch	17 years ago
install.sh	…
module.lds	…