From: Christoph Hellwig <hch@lst.de>
To: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.linux@gmail.com>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
Mike Anderson <andmike@linux.ibm.com>,
Ram Pai <linuxram@us.ibm.com>,
linux-kernel@vger.kernel.org,
Claudio Carvalho <cclaudio@linux.ibm.com>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH 02/12] powerpc: Add support for adding an ESM blob to the zImage wrapper
Date: Tue, 21 May 2019 07:13:26 +0200 [thread overview]
Message-ID: <20190521051326.GC29120@lst.de> (raw)
In-Reply-To: <20190521044912.1375-3-bauerman@linux.ibm.com>
On Tue, May 21, 2019 at 01:49:02AM -0300, Thiago Jung Bauermann wrote:
> From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> For secure VMs, the signing tool will create a ticket called the "ESM blob"
> for the Enter Secure Mode ultravisor call with the signatures of the kernel
> and initrd among other things.
>
> This adds support to the wrapper script for adding that blob via the "-e"
> option to the zImage.pseries.
>
> It also adds code to the zImage wrapper itself to retrieve and if necessary
> relocate the blob, and pass its address to Linux via the device-tree, to be
> later consumed by prom_init.
Where does the "BLOB" come from? How is it licensed and how can we
satisfy the GPL with it?
next prev parent reply other threads:[~2019-05-21 5:15 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 4:49 [PATCH 00/12] Secure Virtual Machine Enablement Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 01/12] powerpc/pseries: Introduce option to build secure virtual machines Thiago Jung Bauermann
2019-05-21 4:49 ` [RFC PATCH 02/12] powerpc: Add support for adding an ESM blob to the zImage wrapper Thiago Jung Bauermann
2019-05-21 5:13 ` Christoph Hellwig [this message]
2019-05-21 15:09 ` Ram Pai
2019-05-21 23:15 ` Paul Mackerras
2019-05-21 4:49 ` [RFC PATCH 03/12] powerpc/prom_init: Add the ESM call to prom_init Thiago Jung Bauermann
2019-06-26 7:44 ` Alexey Kardashevskiy
2019-06-28 22:33 ` Thiago Jung Bauermann
2019-07-01 3:13 ` Alexey Kardashevskiy
2019-05-21 4:49 ` [PATCH 04/12] powerpc/pseries/svm: Add helpers for UV_SHARE_PAGE and UV_UNSHARE_PAGE Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 05/12] powerpc/pseries: Add and use LPPACA_SIZE constant Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 06/12] powerpc/pseries/svm: Use shared memory for LPPACA structures Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 07/12] powerpc/pseries/svm: Use shared memory for Debug Trace Log (DTL) Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 08/12] powerpc/pseries/svm: Export guest SVM status to user space via sysfs Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 09/12] powerpc/pseries/svm: Disable doorbells in SVM guests Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 10/12] powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 11/12] powerpc/pseries/svm: Force SWIOTLB for " Thiago Jung Bauermann
2019-05-21 5:15 ` Christoph Hellwig
2019-05-23 5:15 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 12/12] powerpc/configs: Enable secure guest support in pseries and ppc64 defconfigs Thiago Jung Bauermann
2019-06-07 14:47 ` [RFC PATCH 1/1] powerpc/pseries/svm: Unshare all pages before kexecing a new kernel Ram Pai
2019-06-01 17:11 ` [PATCH 00/12] Secure Virtual Machine Enablement Thiago Jung Bauermann
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