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SubjectRe: [linux-pm] s2ram: warn when interrupts should be disabled but are not
On Sat, 12 Apr 2008, Pavel Machek wrote:

> ---
> commit fc3bccaf69e6c05464e7154369639bd5c96ccdc1
> tree bf960093ddb840242a00b4ec456ec79472b1c2ad
> parent 308e9d5309f378209e931f63f729806ec0a4d9f1
> author Pavel <pavel@amd.ucw.cz> Sat, 12 Apr 2008 11:52:05 +0200
> committer Pavel <pavel@amd.ucw.cz> Sat, 12 Apr 2008 11:52:05 +0200
>
> drivers/ata/ahci.c | 2 +-
> drivers/base/sys.c | 3 +++
> 2 files changed, 4 insertions(+), 1 deletions(-)

What happened to the drivers/ata/ahci.c part of the patch?

> diff --git a/drivers/base/sys.c b/drivers/base/sys.c
> index 8e13fd9..e214467 100644
> --- a/drivers/base/sys.c
> +++ b/drivers/base/sys.c
> @@ -22,6 +22,7 @@ #include <linux/string.h>
> #include <linux/pm.h>
> #include <linux/device.h>
> #include <linux/mutex.h>
> +#include <linux/hardirq.h>
>
> #include "base.h"
>
> @@ -367,6 +368,7 @@ int sysdev_suspend(pm_message_t state)
> /* Call auxillary drivers first */
> list_for_each_entry(drv, &cls->drivers, entry) {
> if (drv->suspend) {
> + WARN_ON(!irqs_disabled());
> ret = drv->suspend(sysdev, state);
> if (ret)
> goto aux_driver;
> @@ -442,6 +444,7 @@ int sysdev_resume(void)
> list_for_each_entry(sysdev, &cls->kset.list, kobj.entry) {
> pr_debug(" %s\n", kobject_name(&sysdev->kobj));
>
> + WARN_ON(!irqs_disabled());
> __sysdev_resume(sysdev);
> }
> }

Alan Stern



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