On 2014/7/8 7:44, Greg Kroah-Hartman wrote: > On Tue, Jul 01, 2014 at 02:09:58PM +0800, Yijing Wang wrote: >> From: Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx> >> >> arch/powerpc/kernel/sysfs.c exports PURR with write permission. >> This may be valid for kernel in phyp mode. But writing to >> the file in guest mode causes crash due to a priviledge violation >> >> Signed-off-by: Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx> >> Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> >> [Backported to 3.4: adjust context] >> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx> >> --- >> arch/powerpc/kernel/sysfs.c | 18 ++++++++++++++++-- >> 1 files changed, 16 insertions(+), 2 deletions(-) > > You forgot the git commit id here :( > > It is d1211af3049f4c9c1d8d4eb8f8098cc4f4f0d0c7, right? Yes, sorry for my mistake. Thanks! Yijing. > > > -- Thanks! Yijing -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html