514b8cf8ec
- bnc# 578910 - xm block-detach does not cleanup xenstore hotplug-cleanup-fix.patch - bnc#579361 - Windows Server 2003 cannot wake up from stand by in sp1 hibernate.patch - fate#308852: XEN CPU Pools cpupools-core.patch cpupools-core-fixup.patch keyhandler-alternative.patch cpu-pools-libxc.patch cpu-pools-python.patch cpu-pools-libxen.patch cpu-pools-xmtest.patch cpu-pools-docs.patch - bnc#558760: Disable scsi devices when PV drivers are loaded. - Update to changeset 20951 Xen 4.0.0 RC4 for sle11-sp1 beta5. - bnc#572146 - SLES11 SP1 beta 2 Xen - BUG: soft lockup - CPU#31 stuck for 61s! [kstop/31:4512] cpuidle-hint-v3.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=31
87 lines
2.6 KiB
Diff
87 lines
2.6 KiB
Diff
Index: xen-4.0.0-testing/xen/common/keyhandler.c
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===================================================================
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--- xen-4.0.0-testing.orig/xen/common/keyhandler.c
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+++ xen-4.0.0-testing/xen/common/keyhandler.c
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@@ -19,6 +19,7 @@
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static struct keyhandler *key_table[256];
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static unsigned char keypress_key;
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+static bool_t alt_key_handling;
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char keyhandler_scratch[1024];
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@@ -115,6 +116,26 @@ static struct keyhandler dump_registers_
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.desc = "dump registers"
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};
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+static DECLARE_TASKLET(dump_dom0_tasklet, NULL, 0);
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+
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+static void dump_dom0_action(unsigned long arg)
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+{
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+ struct vcpu *v = (void *)arg;
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+
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+ for ( ; ; ) {
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+ vcpu_show_execution_state(v);
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+ v = v->next_in_list;
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+ if ( !v )
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+ break;
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+ if ( softirq_pending(smp_processor_id()) )
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+ {
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+ dump_dom0_tasklet.data = (unsigned long)v;
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+ tasklet_schedule_cpu(&dump_dom0_tasklet, v->processor);
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+ break;
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+ }
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+ }
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+}
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+
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static void dump_dom0_registers(unsigned char key)
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{
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struct vcpu *v;
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@@ -125,7 +146,17 @@ static void dump_dom0_registers(unsigned
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printk("'%c' pressed -> dumping Dom0's registers\n", key);
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for_each_vcpu ( dom0, v )
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+ {
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+ if ( alt_key_handling && softirq_pending(smp_processor_id()) )
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+ {
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+ tasklet_kill(&dump_dom0_tasklet);
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+ tasklet_init(&dump_dom0_tasklet, dump_dom0_action,
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+ (unsigned long)v);
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+ tasklet_schedule_cpu(&dump_dom0_tasklet, v->processor);
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+ return;
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+ }
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vcpu_show_execution_state(v);
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+ }
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}
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static struct keyhandler dump_dom0_registers_keyhandler = {
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@@ -425,8 +456,28 @@ static struct keyhandler do_debug_key_ke
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.desc = "trap to xendbg"
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};
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+static void do_toggle_alt_key(unsigned char key, struct cpu_user_regs *regs)
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+{
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+ alt_key_handling = !alt_key_handling;
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+ printk("'%c' pressed -> using %s key handling\n", key,
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+ alt_key_handling ? "alternative" : "normal");
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+}
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+
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+static struct keyhandler toggle_alt_keyhandler = {
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+ .irq_callback = 1,
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+ .u.irq_fn = do_toggle_alt_key,
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+ .desc = "toggle alternative key handling"
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+};
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+
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void __init initialize_keytable(void)
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{
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+ if ( num_present_cpus() > 16 )
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+ {
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+ alt_key_handling = 1;
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+ printk(XENLOG_INFO "Defaulting to alternative key handling; "
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+ "send 'A' to switch to normal mode.\n");
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+ }
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+ register_keyhandler('A', &toggle_alt_keyhandler);
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register_keyhandler('d', &dump_registers_keyhandler);
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register_keyhandler('h', &show_handlers_keyhandler);
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register_keyhandler('q', &dump_domains_keyhandler);
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