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the toolstack instead of embedding in hvmloader http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01626.html 0001-libxc-Rework-extra-module-initialisation.patch, 0002-libxc-Prepare-a-start-info-structure-for-hvmloader.patch, 0003-configure-define-SEABIOS_PATH-and-OVMF_PATH.patch, 0004-firmware-makefile-install-BIOS-blob.patch, 0005-libxl-Load-guest-BIOS-from-file.patch, 0006-xen-Move-the-hvm_start_info-C-representation-from-li.patch, 0007-hvmloader-Grab-the-hvm_start_info-pointer.patch, 0008-hvmloader-Locate-the-BIOS-blob.patch, 0009-hvmloader-Check-modules-whereabouts-in-perform_tests.patch, 0010-hvmloader-Load-SeaBIOS-from-hvm_start_info-modules.patch, 0011-hvmloader-Load-OVMF-from-modules.patch, 0012-hvmloader-Specific-bios_load-function-required.patch, 0013-hvmloader-Always-build-in-SeaBIOS-and-OVMF-loader.patch, 0014-configure-do-not-depend-on-SEABIOS_PATH-or-OVMF_PATH.patch - Enable support for UEFI on x86_64 using the ovmf-x86_64-ms.bin firmware from qemu-ovmf-x86_64. The firmware is preloaded with Microsoft keys to more closely resemble firmware on real hardware FATE#320490 OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=416
21 lines
746 B
Diff
21 lines
746 B
Diff
Make our PV drivers work with older hosts that do not recognize the new PV driver protocol.
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Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
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Index: xen-4.7.0-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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===================================================================
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--- xen-4.7.0-testing.orig/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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+++ xen-4.7.0-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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@@ -337,7 +337,10 @@ static int check_platform_magic(struct d
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if (magic != XEN_IOPORT_MAGIC_VAL) {
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err = "unrecognised magic value";
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- goto no_dev;
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+ /*
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+ * Older backend; just return 0 to be compatible.
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+ */
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+ return 0;
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}
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protocol = inb(XEN_IOPORT_PROTOVER);
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