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lguest: per-vcpu lguest task management

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lguest uses tasks to control its running behaviour (like sending
breaks, controlling halted state, etc). In a per-vcpu environment,
each vcpu will have its own underlying task. So this patch
makes the infrastructure for that possible

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Glauber de Oliveira Costa
2008-01-07 11:05:34 -02:00
committed by Rusty Russell
parent fc708b3e40
commit 66686c2ab0
5 changed files with 42 additions and 39 deletions
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4
drivers/lguest/core.c
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@@ -197,7 +197,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user)
return -ERESTARTSYS;
/* If Waker set break_out, return to Launcher. */
if (lg->break_out)
if (cpu->break_out)
return -EAGAIN;
/* Check if there are any interrupts which can be delivered
@@ -217,7 +217,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user)
/* If the Guest asked to be stopped, we sleep. The Guest's
* clock timer or LHCALL_BREAK from the Waker will wake us. */
if (lg->halted) {
if (cpu->halted) {
set_current_state(TASK_INTERRUPTIBLE);
schedule();
continue;