diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-07 16:05:28 +0300 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-01-30 14:50:08 +0300 |
| commit | ad8d8f3bc61ec712dd141e1029ae68c47fadc4a7 (patch) | |
| tree | 70bd69e85ef7f159a62f4cd8aa2799d8d542b92c /drivers/lguest/lguest_user.c | |
| parent | 73044f05a4ac65f2df42753e9566444b9d2a660f (diff) | |
| download | linux-ad8d8f3bc61ec712dd141e1029ae68c47fadc4a7.tar.xz | |
lguest: per-vcpu lguest timers
Here, I introduce per-vcpu timers. With this, we can have
local expiries, needed for accounting time in smp guests
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/lguest/lguest_user.c')
| -rw-r--r-- | drivers/lguest/lguest_user.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 2562082a3ea3..f231b9be0b64 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -104,6 +104,7 @@ static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) cpu->id = id; cpu->lg = container_of((cpu - id), struct lguest, cpus[0]); cpu->lg->nr_cpus++; + init_clockdev(cpu); return 0; } @@ -180,9 +181,6 @@ static int initialize(struct file *file, const unsigned long __user *input) * address. */ lguest_arch_setup_regs(lg, args[3]); - /* The timer for lguest's clock needs initialization. */ - init_clockdev(lg); - /* We keep a pointer to the Launcher task (ie. current task) for when * other Guests want to wake this one (inter-Guest I/O). */ lg->tsk = current; @@ -273,6 +271,7 @@ static ssize_t write(struct file *file, const char __user *in, static int close(struct inode *inode, struct file *file) { struct lguest *lg = file->private_data; + unsigned int i; /* If we never successfully initialized, there's nothing to clean up */ if (!lg) @@ -281,8 +280,9 @@ static int close(struct inode *inode, struct file *file) /* We need the big lock, to protect from inter-guest I/O and other * Launchers initializing guests. */ mutex_lock(&lguest_lock); - /* Cancels the hrtimer set via LHCALL_SET_CLOCKEVENT. */ - hrtimer_cancel(&lg->hrt); + for (i = 0; i < lg->nr_cpus; i++) + /* Cancels the hrtimer set via LHCALL_SET_CLOCKEVENT. */ + hrtimer_cancel(&lg->cpus[i].hrt); /* Free up the shadow page tables for the Guest. */ free_guest_pagetable(lg); /* Now all the memory cleanups are done, it's safe to release the |