Hello, Rafael.

Rafael J. Wysocki wrote:
> gregkh-driver-sysfs-use-singly-linked-list-for-sysfs_dirent-tree.patch breaks
> suspend to RAM on HPC nx6325 (x86_64).
> 
> With this patch applied I get a general protection fault in mutex_lock+0x15
> (kernel/mutex.c:91), called by sysfs_hash_and_remove() (fs/sysfs/inode.c:298),
> called by threshold_cpu_callback(), called from _cpu_down().

I'm not sure whether this is bug in sysfs or in sysfs handling code in
mce_amd and I can't test mce_amd here.  Can you please apply the
attached patch and post the resulting dmesg including oops?

Thanks.

-- 
tejun