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Date: Tue, 13 Jun 2017 10:25:40 -0600 From: Logan Gunthorpe <logang@...tatee.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Bjorn Helgaas <helgaas@...nel.org>, kernel test robot <fengguang.wu@...el.com>, Linus Torvalds <torvalds@...ux-foundation.org>, LKP <lkp@...org>, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-doc@...r.kernel.org, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>, wfg@...ux.intel.com, Alan Cox <alan@...ux.intel.com>, Arnd Bergmann <arnd@...db.de>, Linus Walleij <linus.walleij@...aro.org>, David Airlie <airlied@...ux.ie>, David Herrmann <dh.herrmann@...il.com>, Daniel Vetter <daniel.vetter@...ll.ch> Subject: Re: [Merge tag 'pci-v4.12-changes' of git] 857f864014: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 On 12/06/17 10:35 PM, Greg Kroah-Hartman wrote: > Or better yet, just turn all char major allocations into dynamic, which > would be really good for test systems. I thought someone proposed > patches for that a long time ago, but I can't find them anymore. That > would be the simplest solution here. Would people not complain about that? I would not be surprised if some crazy application is using hard coded major numbers in userspace. So such a change could potentially break userspace... Logan
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