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Without this fix, driver will enable INTx Interrupt pin even though MSI-x vectors are enabled. See below lspci output. DisINTx is unset for MSIx setup. lspci -s 85:00.0 -vvv |grep INT |grep Control Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- After applying this fix, driver will enable INTx Interrupt pin only if Legacy interrupt method is required. See below lspci output. DisINTx is set for MSIx setup. lspci -s 85:00.0 -vvv |grep INT |grep Control Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.