On Tue, 20 Mar 2007 22:48:08 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]>
wrote:
> From: Rafael J. Wysocki <[EMAIL PROTECTED]>
>
> The SNAPSHOT_S2RAM ioctl does not disable the nonboot CPUs before entering
> the suspend, although it should do this.
>
> Signed-off-by: Rafael J. Wysocki <[EMAIL PROTECTED]>
> ---
> kernel/power/user.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> Index: linux-2.6.21-rc4/kernel/power/user.c
> ===================================================================
> --- linux-2.6.21-rc4.orig/kernel/power/user.c
> +++ linux-2.6.21-rc4/kernel/power/user.c
> @@ -374,9 +374,12 @@ static int snapshot_ioctl(struct inode *
> if (error) {
> printk(KERN_ERR "Failed to suspend some devices.\n");
> } else {
> - /* Enter S3, system is already frozen */
> - suspend_enter(PM_SUSPEND_MEM);
> -
> + error = disable_nonboot_cpus();
> + if (!error) {
> + /* Enter S3, system is already frozen */
> + suspend_enter(PM_SUSPEND_MEM);
> + enable_nonboot_cpus();
> + }
> /* Wake up devices */
> device_resume();
> }
Do you consider this appropriate to 2.6.21?
-
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