On Tue, Feb 13, 2018 at 01:39:19PM -0600, Mario Limonciello wrote: > There is no longer a need for the buffer to be defined in > first 4GB physical address space. > > Furthermore there may be race conditions with multiple different functions > working on a module wide buffer causing incorrect results. > > This commit has been backported from: > commit 9862b43624 upstream > > Fixes: 549b4930f057658dc50d8010e66219233119a4d8 > Suggested-by: Pali Rohar <pali.rohar@xxxxxxxxx> > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxxx> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/platform/x86/dell-laptop.c | 188 ++++++++++++++++++++----------------- > 1 file changed, 103 insertions(+), 85 deletions(-) Why is this a stable patch? What bug does it fix? confused, greg k-h