3f55414718
- Upstream or pending upstream patches from Jan 25587-fix-off-by-one-parsing-error.patch 25616-x86-MCi_CTL-default.patch 25617-vtd-qinval-addr.patch 25688-x86-nr_irqs_gsi.patch - bnc#773393 - VUL-0: CVE-2012-3433: xen: HVM guest destroy p2m teardown host DoS vulnerability CVE-2012-3433-xsa11.patch - bnc#773401 - VUL-1: CVE-2012-3432: xen: HVM guest user mode MMIO emulation DoS 25682-x86-inconsistent-io-state.patch - bnc#762484 - VUL-1: CVE-2012-2625: xen: pv bootloader doesn't check the size of the bzip2 or lzma compressed kernel, leading to denial of service 25589-pygrub-size-limits.patch - Make it build with latest TeXLive 2012 with new package layout OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=196
110 lines
3.6 KiB
Diff
110 lines
3.6 KiB
Diff
# HG changeset patch
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# User Kevin Tian <kevin.tian@intel.com>
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# Date 1314800303 -3600
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# Node ID 42d76c68b2bfbedee3e5f79d32344e14bce48b0f
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# Parent 51983821efa4db4040ae1c5063a4404791597699
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x86: add irq count for IPIs
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such count is useful to assist decision make in cpuidle governor,
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while w/o this patch only device interrupts through do_IRQ is
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currently counted.
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Signed-off-by: Kevin Tian <kevin.tian@intel.com>
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Index: xen-4.1.3-testing/xen/arch/x86/apic.c
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===================================================================
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--- xen-4.1.3-testing.orig/xen/arch/x86/apic.c
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+++ xen-4.1.3-testing/xen/arch/x86/apic.c
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@@ -1378,6 +1378,7 @@ fastcall void smp_apic_timer_interrupt(s
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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ack_APIC_irq();
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perfc_incr(apic_timer);
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+ this_cpu(irq_count)++;
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raise_softirq(TIMER_SOFTIRQ);
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set_irq_regs(old_regs);
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}
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@@ -1399,6 +1400,7 @@ fastcall void smp_spurious_interrupt(str
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unsigned long v;
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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+ this_cpu(irq_count)++;
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irq_enter();
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/*
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@@ -1434,6 +1436,7 @@ fastcall void smp_error_interrupt(struct
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unsigned long v, v1;
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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+ this_cpu(irq_count)++;
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irq_enter();
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/* First tickle the hardware, only then report what went on. -- REW */
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v = apic_read(APIC_ESR);
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@@ -1465,6 +1468,7 @@ fastcall void smp_pmu_apic_interrupt(str
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{
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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ack_APIC_irq();
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+ this_cpu(irq_count)++;
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hvm_do_pmu_interrupt(regs);
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set_irq_regs(old_regs);
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}
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Index: xen-4.1.3-testing/xen/arch/x86/cpu/mcheck/mce_intel.c
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===================================================================
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--- xen-4.1.3-testing.orig/xen/arch/x86/cpu/mcheck/mce_intel.c
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+++ xen-4.1.3-testing/xen/arch/x86/cpu/mcheck/mce_intel.c
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@@ -66,6 +66,7 @@ static void (*vendor_thermal_interrupt)(
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fastcall void smp_thermal_interrupt(struct cpu_user_regs *regs)
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{
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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+ this_cpu(irq_count)++;
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irq_enter();
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vendor_thermal_interrupt(regs);
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irq_exit();
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@@ -1094,6 +1095,7 @@ fastcall void smp_cmci_interrupt(struct
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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ack_APIC_irq();
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+ this_cpu(irq_count)++;
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irq_enter();
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mctc = mcheck_mca_logout(
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Index: xen-4.1.3-testing/xen/arch/x86/io_apic.c
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===================================================================
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--- xen-4.1.3-testing.orig/xen/arch/x86/io_apic.c
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+++ xen-4.1.3-testing/xen/arch/x86/io_apic.c
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@@ -516,6 +516,7 @@ fastcall void smp_irq_move_cleanup_inter
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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ack_APIC_irq();
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+ this_cpu(irq_count)++;
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irq_enter();
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me = smp_processor_id();
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Index: xen-4.1.3-testing/xen/arch/x86/smp.c
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===================================================================
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--- xen-4.1.3-testing.orig/xen/arch/x86/smp.c
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+++ xen-4.1.3-testing/xen/arch/x86/smp.c
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@@ -222,6 +222,7 @@ fastcall void smp_invalidate_interrupt(v
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{
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ack_APIC_irq();
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perfc_incr(ipis);
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+ this_cpu(irq_count)++;
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irq_enter();
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if ( !__sync_local_execstate() ||
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(flush_flags & (FLUSH_TLB_GLOBAL | FLUSH_CACHE)) )
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@@ -387,6 +388,7 @@ fastcall void smp_event_check_interrupt(
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struct cpu_user_regs *old_regs = set_irq_regs(regs);
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ack_APIC_irq();
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perfc_incr(ipis);
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+ this_cpu(irq_count)++;
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set_irq_regs(old_regs);
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}
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@@ -423,6 +425,7 @@ fastcall void smp_call_function_interrup
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ack_APIC_irq();
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perfc_incr(ipis);
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+ this_cpu(irq_count)++;
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__smp_call_function_interrupt();
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set_irq_regs(old_regs);
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}
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