Hi Jason,
sorry, I somehow missed this email.
I quickly checked the patch and I did not see anything wrong.
I am going to review it better later today and if I see anything wrong I will follow-up with a patch/fix.
Thanks for the patches!
/Chris
-----Original Message-----
From: Jason Gunthorpe <jgg@xxxxxxxx>
Sent: Monday, June 25, 2018 1:40 PM
To: linux-rdma@xxxxxxxxxxxxxxx
Cc: Christian Benvenuti (benve) <benve@xxxxxxxxx>
Subject: Re: [PATCH] IB/usnic: Update with bug fixes from core code
On Wed, Jun 13, 2018 at 11:19:42AM -0600, Jason Gunthorpe wrote:
> usnic has a modified version of the core codes' ib_umem_get() and
> related, and the copy misses many of the bug fixes done over the years:
>
> Commit bc3e53f682d9 ("mm: distinguish between mlocked and pinned
> pages") Commit 87773dd56d54 ("IB: ib_umem_release() should decrement mm->pinned_vm
> from ib_umem_get") Commit 8494057ab5e4
> ("IB/uverbs: Prevent integer overflow in ib_umem_get
> address arithmetic") Commit 8abaae62f3fd
> ("IB/core: disallow registering 0-sized memory region") Commit
> 66578b0b2f69 ("IB/core: don't disallow registering region starting
> at 0x0")
> Commit 53376fedb9da ("RDMA/core: not to set page dirty bit if it's already
> set.")
> Commit 8e907ed48827 ("IB/umem: Use the correct mm during
> ib_umem_release")
>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 2 +-
> drivers/infiniband/hw/usnic/usnic_uiom.c | 40 ++++++++++++++------
> drivers/infiniband/hw/usnic/usnic_uiom.h | 5 ++-
> 3 files changed, 33 insertions(+), 14 deletions(-)
I guess we don't have any maintainers from cisco anymore?
Applied to for-next
Jason
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