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Date: Tue, 2 Apr 2019 14:43:28 +0200 From: Borislav Petkov <bp@...en8.de> To: lijiang <lijiang@...hat.com> Cc: linux-kernel@...r.kernel.org, kexec@...ts.infradead.org, tglx@...utronix.de, mingo@...hat.com, akpm@...ux-foundation.org, dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org, x86@...nel.org, hpa@...or.com, dyoung@...hat.com, bhe@...hat.com, Thomas.Lendacky@....com Subject: Re: [PATCH 1/2 RESEND v10] x86/mm, resource: add a new I/O resource descriptor 'IORES_DESC_RESERVED' On Tue, Apr 02, 2019 at 08:02:04PM +0800, lijiang wrote: > These regions(E820_TYPE_{RESERVED_KERN,RAM,UNUSABLE}) are still marked as > IORES_DESC_NONE and should not be mapped encrypted when using ioremap(). Seems to me like we're going in circles. You said here: https://lkml.kernel.org/r/9eb61523-7a08-24c4-ac15-050537bd9203@redhat.com that the kernel doesn't pass the e820 reserved ranges to the second kernel. I suggested to use a special IORES descriptor for them - IORES_DES_RESERVED. Now you say that that is not enough and some of those you want passed, are still marked as IORES_DESC_NONE. Sounds to me like you need try again. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
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