25242-x86_64-hotplug-compat-m2p.patch 25247-SVM-no-rdtsc-intercept.patch 25267-x86-text-unlikely.patch 25269-x86-vMCE-addr-misc-write.patch 25271-x86_64-IST-index.patch 25327-pvdrv-no-asm-system-h.patch - Upstream patches from Jan 25168-x86-memset-size.patch 25191-x86-tdt-delta-calculation.patch 25195-x86-cpuidle-C2-no-flush-or-bm-check.patch 25196-x86-HAP-PAT-sr.patch 25200-x86_64-trap-bounce-flags.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=189
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-4.1.2-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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===================================================================
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--- xen-4.1.2-testing.orig/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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+++ xen-4.1.2-testing/unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
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@@ -321,7 +321,10 @@ 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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