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cffce99051
Create_CQ verb doesn't provide a PD pointer. So, until now we are creating all (both userspace and kernel) CQ DB regions from PD0. This will result in mmapping PD0 to applications. A rogue userspace application can mess things up. Also more serious issues is even the be2net NIC uses PD0. This patch addresses this problem by: 1) Create a PD page for every userspace application when the alloc_ucontext is called. This will be destroyed in dealloc_ucontext. 2) All CQs for that context will use the PD allocated in ucontext. 3) The first create_PD call from application will result in returning the PD address from its ucontext (no new PD will be created). 4) For subsecquent create_pd calls from application, we create new PDs for the application. Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| ocrdma_abi.h | ||
| ocrdma_ah.c | ||
| ocrdma_ah.h | ||
| ocrdma_hw.c | ||
| ocrdma_hw.h | ||
| ocrdma_main.c | ||
| ocrdma_sli.h | ||
| ocrdma_verbs.c | ||
| ocrdma_verbs.h | ||
| ocrdma.h | ||