On Wed, Jan 16, 2019 at 02:27:13PM -0500, David Long wrote: > On 1/15/19 12:19 PM, Greg KH wrote: > > On Tue, Jan 15, 2019 at 05:06:59PM +0000, Russell King - ARM Linux admin wrote: > > > On Tue, Jan 15, 2019 at 05:30:51PM +0100, Greg KH wrote: > > > > On Tue, Jan 15, 2019 at 11:07:08AM -0500, David Long wrote: > > > > > On 1/15/19 10:45 AM, Greg KH wrote: > > > > > > On Thu, Jan 10, 2019 at 12:51:33PM -0500, David Long wrote: > > > > > > > From: "David A. Long" <dave.long@xxxxxxxxxx> > > > > > > > > > > > > > > V4.14 backport of spectre patches from Russell M. King's spectre branch. > > > > > > > > > > > > If I take these, than 4.19 is vulnerable. So someone upgrading from > > > > > > 4.14 to 4.19 will regress :( > > > > > > > > > > > > Can you please send me a 4.19 series so I can apply that before this > > > > > > one? > > > > > > > > > > > > thanks, > > > > > > > > > > > > greg k-h > > > > > > > > > > > > > > > > > > > > > OK, didn't think about that being a problem. Working on it. Pretty sure > > > > > there's exactly one patch needed for that. > > > > > > > > one? All of these except one showed up in 4.20 and were not backported > > > > to 4.19 from what I can tell. The last one is in 5.0-rc1 and not even > > > > backported to 4.20 either, which means someone messed up and didn't tag > > > > it properly with a cc: stable patch :( > > > > > My bad, I see now I was looking at v4.20 when I made that comment, not > v4.19. > > > > Or they didn't think it was important enough to warrant backporting. > > > > Fair enough, then I have to ask why it's included in this series at > > all... > > > > I've been backporting all "spectre" branch patches as kept in the linux-arm > repo, with the assumption they're all important. If the last patch is not > deemed worthy of going into stable now would be a good time to declare it so > as I have patch sets for v4.19 and v4.9 stable versions about ready to > publish. Isn't it up to you to determine what is and is not important to get this all working properly? You are testing all of this, right? :) thanks, greg k-h
