Olaf Hering
b9d38dfc8d
- remove xen.migrate.tools_notify_restore_to_hangup_during_migration_--abort_if_busy.patch It changed migration protocol and upstream wants a different solution - bnc#802221 - fix xenpaging readd xenpaging.qemu.flush-cache.patch - Upstream patches from Jan 26891-x86-S3-Fix-cpu-pool-scheduling-after-suspend-resume.patch 26930-x86-EFI-fix-runtime-call-status-for-compat-mode-Dom0.patch - Additional fix for bnc#816159 CVE-2013-1918-xsa45-followup.patch - bnc#817068 - Xen guest with >1 sr-iov vf won't start xen-managed-pci-device.patch - Update to Xen 4.2.2 c/s 26064 The following recent security patches are included in the tarball CVE-2013-0151-xsa34.patch (bnc#797285) CVE-2012-6075-xsa41.patch (bnc#797523) CVE-2013-1917-xsa44.patch (bnc#813673) CVE-2013-1919-xsa46.patch (bnc#813675) - Upstream patch from Jan 26902-x86-EFI-pass-boot-services-variable-info-to-runtime-code.patch - bnc#816159 - VUL-0: xen: CVE-2013-1918: XSA-45: Several long latency operations are not preemptible CVE-2013-1918-xsa45-1-vcpu-destroy-pagetables-preemptible.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=237
113 lines
3.4 KiB
Diff
113 lines
3.4 KiB
Diff
References: bnc#787169
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# HG changeset patch
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# User Jan Beulich <jbeulich@suse.com>
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# Date 1357559889 -3600
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# Node ID 23c4bbc0111dd807561b2c62cbc5798220943a0d
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# Parent b514b7118958327605e33dd387944832bc8d734a
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IOMMU: add option to specify devices behaving like ones using phantom functions
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At least certain Marvell SATA controllers are known to issue bus master
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requests with a non-zero function as origin, despite themselves being
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single function devices.
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Acked-by: "Zhang, Xiantao" <xiantao.zhang@intel.com>
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Index: xen-4.2.2-testing/docs/misc/xen-command-line.markdown
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===================================================================
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--- xen-4.2.2-testing.orig/docs/misc/xen-command-line.markdown
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+++ xen-4.2.2-testing/docs/misc/xen-command-line.markdown
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@@ -679,6 +679,16 @@ Defaults to booting secondary processors
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Default: `on`
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+### pci-phantom
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+> `=[<seg>:]<bus>:<device>,<stride>`
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+
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+Mark a group of PCI devices as using phantom functions without actually
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+advertising so, so the IOMMU can create translation contexts for them.
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+
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+All numbers specified must be hexadecimal ones.
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+
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+This option can be specified more than once (up to 8 times at present).
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+
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### ple\_gap
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> `= <integer>`
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Index: xen-4.2.2-testing/xen/drivers/passthrough/pci.c
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===================================================================
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--- xen-4.2.2-testing.orig/xen/drivers/passthrough/pci.c
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+++ xen-4.2.2-testing/xen/drivers/passthrough/pci.c
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@@ -123,6 +123,49 @@ const unsigned long *pci_get_ro_map(u16
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return pseg ? pseg->ro_map : NULL;
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}
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+static struct phantom_dev {
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+ u16 seg;
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+ u8 bus, slot, stride;
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+} phantom_devs[8];
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+static unsigned int nr_phantom_devs;
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+
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+static void __init parse_phantom_dev(char *str) {
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+ const char *s = str;
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+ struct phantom_dev phantom;
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+
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+ if ( !s || !*s || nr_phantom_devs >= ARRAY_SIZE(phantom_devs) )
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+ return;
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+
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+ phantom.seg = simple_strtol(s, &s, 16);
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+ if ( *s != ':' )
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+ return;
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+
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+ phantom.bus = simple_strtol(s + 1, &s, 16);
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+ if ( *s == ',' )
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+ {
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+ phantom.slot = phantom.bus;
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+ phantom.bus = phantom.seg;
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+ phantom.seg = 0;
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+ }
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+ else if ( *s == ':' )
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+ phantom.slot = simple_strtol(s + 1, &s, 16);
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+ else
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+ return;
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+
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+ if ( *s != ',' )
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+ return;
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+ switch ( phantom.stride = simple_strtol(s + 1, &s, 0) )
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+ {
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+ case 1: case 2: case 4:
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+ if ( *s )
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+ default:
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+ return;
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+ }
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+
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+ phantom_devs[nr_phantom_devs++] = phantom;
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+}
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+custom_param("pci-phantom", parse_phantom_dev);
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+
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static struct pci_dev *alloc_pdev(struct pci_seg *pseg, u8 bus, u8 devfn)
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{
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struct pci_dev *pdev;
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@@ -183,6 +226,20 @@ static struct pci_dev *alloc_pdev(struct
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if ( PCI_FUNC(devfn) >= pdev->phantom_stride )
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pdev->phantom_stride = 0;
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}
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+ else
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+ {
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+ unsigned int i;
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+
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+ for ( i = 0; i < nr_phantom_devs; ++i )
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+ if ( phantom_devs[i].seg == pseg->nr &&
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+ phantom_devs[i].bus == bus &&
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+ phantom_devs[i].slot == PCI_SLOT(devfn) &&
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+ phantom_devs[i].stride > PCI_FUNC(devfn) )
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+ {
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+ pdev->phantom_stride = phantom_devs[i].stride;
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+ break;
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+ }
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+ }
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break;
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case DEV_TYPE_PCI:
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