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Roland Dreier baaad380c0 IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute ... Commit cb9fbc5c ("IB: expand ib_umem_get() prototype") changed the mthca userspace ABI to provide a way for userspace to indicate which memory regions need the DMA write barrier attribute. However, it is possible to handle this without breaking existing userspace, by having the mthca kernel driver recognize whether it is talking to old or new userspace, depending on the size of the register MR structure passed in. The only potential drawback of this is that is allows old userspace (which has a bug with DMA ordering on large SGI Altix systems) to continue to run on new kernels, but the advantage of allowing old userspace to continue to work on unaffected systems seems to outweigh this, and we can print a warning to push people to upgrade their userspace. Signed-off-by: Roland Dreier <rolandd@cisco.com>		17 years ago
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Kconfig	IB: Use menuconfig for InfiniBand menu	18 years ago
Makefile	IB/mthca: Always build debugging code unless CONFIG_EMBEDDED=y	19 years ago
mthca_allocator.c	IB/mthca: Replace memset(<addr>, 0, PAGE_SIZE) with clear_page(<addr>)	18 years ago
mthca_av.c	IB/mthca: Set GRH:HopLimit when building MLX headers	18 years ago
mthca_catas.c	WorkStruct: make allyesconfig	18 years ago
mthca_cmd.c	IB/mthca: Add IPoIB checksum offload support	17 years ago
mthca_cmd.h	IB/mthca: Add IPoIB checksum offload support	17 years ago
mthca_config_reg.h	[PATCH] IB: Add copyright notices	20 years ago
mthca_cq.c	IB/mthca: Add IPoIB checksum offload support	17 years ago
mthca_dev.h	Convert asm/semaphore.h users to linux/semaphore.h	17 years ago
mthca_doorbell.h	IB/mthca: Avoid alignment traps when writing doorbells	18 years ago
mthca_eq.c	IB/mthca: Formatting cleanups	17 years ago
mthca_mad.c	IB/mthca: Formatting cleanups	17 years ago
mthca_main.c	IB/mthca: Avoid integer overflow when dealing with profile size	17 years ago
mthca_mcg.c	IB/mthca: Fix section mismatches	18 years ago
mthca_memfree.c	IB/mthca: Avoid integer overflow when allocating huge ICM table	17 years ago
mthca_memfree.h	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
mthca_mr.c	IB/mthca: Avoid recycling old FMR R_Keys too soon	17 years ago
mthca_pd.c	IB/mthca: Fix section mismatches	18 years ago
mthca_profile.c	IB/mthca: Avoid integer overflow when dealing with profile size	17 years ago
mthca_profile.h	IB/mthca: Avoid integer overflow when dealing with profile size	17 years ago
mthca_provider.c	IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute	17 years ago
mthca_provider.h	IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute	17 years ago
mthca_qp.c	IB/mthca: Update QP state if query QP succeeds	17 years ago
mthca_reset.c	Remove obsolete #include <linux/config.h>	19 years ago
mthca_srq.c	IB/ib_mthca: Pre-link receive WQEs in Tavor mode	17 years ago
mthca_uar.c	IB/mthca: Don't use privileged UAR for kernel access	19 years ago
mthca_user.h	IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute	17 years ago
mthca_wqe.h	IB/mthca: Add IPoIB checksum offload support	17 years ago