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Date: Tue, 10 Aug 2021 18:00:24 +0100 From: Christoph Hellwig <hch@...radead.org> To: Maurizio Lombardi <mlombard@...hat.com> Cc: rppt@...nel.org, bp@...en8.de, tglx@...utronix.de, x86@...nel.org, pjones@...hat.com, konrad@...nel.org, george.kennedy@...cle.com, rafael@...nel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH V3] iscsi_ibft: fix crash due to KASLR physical memory remapping > Fix this bug by saving the address of the physical location > of the ibft; later the driver will use isa_bus_to_virt() to get > the correct virtual address. That sound rather broken. Why not save the physical address in find_ibft_region and then later ioremap that when a virtual address is needed like all other code accessing magic I/O memory?
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