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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: suspend: old debugging hacks sneaked back
  Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2)
  HWMON: coretemp, suspend fix
  Freezer: Fix APM emulation breakage
  Freezer: Fix s2disk resume from initrd
This commit is contained in:
Linus Torvalds 2007-12-06 14:14:16 -08:00
parent 09f3eca2b7 982286d1b8
commit f194d132e4
5 changed files with 20 additions and 18 deletions
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4
arch/x86/kernel/acpi/wakeup_32.S
View File

@ -35,10 +35,6 @@ wakeup_code:
wakeup_code_start = .
.code16
movw $0xb800, %ax
movw %ax,%fs
movw $0x0e00 + 'L', %fs:(0x10)
cli
cld

15
drivers/char/apm-emulation.c
View File

@ -295,7 +295,6 @@ static int
apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
{
struct apm_user *as = filp->private_data;
unsigned long flags;
int err = -EINVAL;
if (!as->suser || !as->writer)
@ -331,10 +330,16 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* Wait for the suspend/resume to complete. If there
* are pending acknowledges, we wait here for them.
*/
flags = current->flags;
freezer_do_not_count();
wait_event(apm_suspend_waitqueue,
as->suspend_state == SUSPEND_DONE);
/*
* Since we are waiting until the suspend is done, the
* try_to_freeze() in freezer_count() will not trigger
*/
freezer_count();
} else {
as->suspend_state = SUSPEND_WAIT;
mutex_unlock(&state_lock);
@ -362,14 +367,10 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* Wait for the suspend/resume to complete. If there
* are pending acknowledges, we wait here for them.
*/
flags = current->flags;
wait_event_interruptible(apm_suspend_waitqueue,
wait_event_freezable(apm_suspend_waitqueue,
as->suspend_state == SUSPEND_DONE);
}
current->flags = flags;
mutex_lock(&state_lock);
err = as->suspend_result;
as->suspend_state = SUSPEND_NONE;

5
drivers/hwmon/coretemp.c
View File

@ -337,11 +337,10 @@ static int coretemp_cpu_callback(struct notifier_block *nfb,
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
case CPU_DOWN_FAILED:
coretemp_device_add(cpu);
break;
case CPU_DEAD:
case CPU_DEAD_FROZEN:
case CPU_DOWN_PREPARE:
coretemp_device_remove(cpu);
break;
}

2
fs/jffs2/background.c
View File

@ -105,7 +105,7 @@ static int jffs2_garbage_collect_thread(void *_c)
/* Put_super will send a SIGKILL and then wait on the sem.
*/
while (signal_pending(current)) {
while (signal_pending(current) || freezing(current)) {
siginfo_t info;
unsigned long signr;

12
init/do_mounts_initrd.c
View File

@ -55,12 +55,18 @@ static void __init handle_initrd(void)
sys_mount(".", "/", NULL, MS_MOVE, NULL);
sys_chroot(".");
/*
* In case that a resume from disk is carried out by linuxrc or one of
* its children, we need to tell the freezer not to wait for us.
*/
current->flags |= PF_FREEZER_SKIP;
pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD);
if (pid > 0)
while (pid != sys_wait4(-1, NULL, 0, NULL)) {
try_to_freeze();
while (pid != sys_wait4(-1, NULL, 0, NULL))
yield();
}
current->flags &= ~PF_FREEZER_SKIP;
/* move initrd to rootfs' /old */
sys_fchdir(old_fd);