On Wed, 4 Oct 2006 22:26:42 +0200
"Rafael J. Wysocki" <[email protected]> wrote:
> Unfortunately one of the recent changes in swsusp has broken the userland
> suspend on SMP. Fix it.
>
Which patch does this fix?
> ---
> ---
> kernel/power/user.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6.18-mm3/kernel/power/user.c
I'll assume from this that your patch is applicable to -mm and that mainline
doesn't have this bug.
I'll further assume that it's swsusp-add-ioctl-for-swap-files-support.patch
which added the bug.
> ===================================================================
> --- linux-2.6.18-mm3.orig/kernel/power/user.c
> +++ linux-2.6.18-mm3/kernel/power/user.c
> @@ -149,10 +149,10 @@ static int snapshot_ioctl(struct inode *
> error = freeze_processes();
> if (error) {
> thaw_processes();
> + enable_nonboot_cpus();
> error = -EBUSY;
> }
> }
> - enable_nonboot_cpus();
> up(&pm_sem);
> if (!error)
> data->frozen = 1;
-
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