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Under certain conditions MSI-X interrupt might arrive right after it was unmasked in ena_up(). There is a chance it would be processed by the driver before device ENA_FLAG_DEV_UP flag is set. In such a case the interrupt is ignored. ENA device operates in auto-masked mode, therefore ignoring interrupt leaves it masked for good. Moving unmask of interrupt to be the last step in ena_up(). Signed-off-by: Netanel Belgazal <netanel@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.