800917b5a2
- Update to Xen 4.1.2_rc2 c/s 23152 - bnc#716695 - domUs using tap devices will not start updated multi-xvdp.patch - Upstream patches from Jan 23803-intel-pmu-models.patch 23800-x86_64-guest-addr-range.patch 23795-intel-ich10-quirk.patch 23804-x86-IPI-counts.patch - bnc#706106 - Inconsistent reporting of VM names during migration xend-migration-domname-fix.patch - bnc#712823 - L3:Xen guest does not start reliable when rebooted xend-vcpu-affinity-fix.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=143
75 lines
2.3 KiB
Diff
75 lines
2.3 KiB
Diff
# HG changeset patch
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# User Jan Beulich <jbeulich@novell.com>
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# Date 1314004239 -3600
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# Node ID 0849b0e59e2418e8215616df147f955b01b07577
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# Parent 07f78b5bd03c02e32324eaa00487643d27b7ffa8
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pm: don't truncate processors' ACPI IDs to 8 bits
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This is just another adjustment to allow systems with very many CPUs
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(or unusual ACPI IDs) to be properly power-managed.
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
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Index: xen-4.1.2-testing/xen/arch/ia64/linux-xen/acpi.c
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===================================================================
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--- xen-4.1.2-testing.orig/xen/arch/ia64/linux-xen/acpi.c
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+++ xen-4.1.2-testing/xen/arch/ia64/linux-xen/acpi.c
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@@ -223,11 +223,14 @@ static u16 ia64_acpiid_to_sapicid[ MAX_L
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{[0 ... MAX_LOCAL_SAPIC - 1] = 0xffff };
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/* acpi id to cpu id */
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-int get_cpu_id(u8 acpi_id)
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+int get_cpu_id(u32 acpi_id)
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{
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int i;
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u16 apic_id;
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+ if ( acpi_id >= MAX_LOCAL_SAPIC )
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+ return -EINVAL;
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+
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apic_id = ia64_acpiid_to_sapicid[acpi_id];
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if ( apic_id == 0xffff )
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return -EINVAL;
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Index: xen-4.1.2-testing/xen/arch/x86/acpi/cpu_idle.c
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===================================================================
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--- xen-4.1.2-testing.orig/xen/arch/x86/acpi/cpu_idle.c
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+++ xen-4.1.2-testing/xen/arch/x86/acpi/cpu_idle.c
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@@ -901,11 +901,14 @@ static void set_cx(
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acpi_power->safe_state = cx;
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}
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-int get_cpu_id(u8 acpi_id)
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+int get_cpu_id(u32 acpi_id)
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{
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int i;
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u32 apic_id;
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+ if ( acpi_id >= MAX_MADT_ENTRIES )
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+ return -1;
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+
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apic_id = x86_acpiid_to_apicid[acpi_id];
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if ( apic_id == BAD_APICID )
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return -1;
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@@ -982,7 +985,7 @@ long set_cx_pminfo(uint32_t cpu, struct
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print_cx_pminfo(cpu, power);
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/* map from acpi_id to cpu_id */
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- cpu_id = get_cpu_id((u8)cpu);
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+ cpu_id = get_cpu_id(cpu);
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if ( cpu_id == -1 )
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{
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printk(XENLOG_ERR "no cpu_id for acpi_id %d\n", cpu);
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Index: xen-4.1.2-testing/xen/include/acpi/cpufreq/processor_perf.h
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===================================================================
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--- xen-4.1.2-testing.orig/xen/include/acpi/cpufreq/processor_perf.h
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+++ xen-4.1.2-testing/xen/include/acpi/cpufreq/processor_perf.h
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@@ -6,7 +6,7 @@
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#define XEN_PX_INIT 0x80000000
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-int get_cpu_id(u8);
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+int get_cpu_id(u32);
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int powernow_cpufreq_init(void);
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unsigned int powernow_register_driver(void);
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unsigned int get_measured_perf(unsigned int cpu, unsigned int flag);
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