Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Greg KH
On Tue, Mar 13, 2018 at 01:01:43PM +, Ard Biesheuvel wrote: > On 13 March 2018 at 10:38, Greg KH wrote: > > On Tue, Mar 13, 2018 at 10:13:26AM +, Ard Biesheuvel wrote: > >> On 13 March 2018 at 10:04, Greg KH wrote: > >> > On Wed, Mar 07, 2018 at 06:24:09PM +, Ard Biesheuvel wrote: > >

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Ard Biesheuvel
On 13 March 2018 at 10:38, Greg KH wrote: > On Tue, Mar 13, 2018 at 10:13:26AM +, Ard Biesheuvel wrote: >> On 13 March 2018 at 10:04, Greg KH wrote: >> > On Wed, Mar 07, 2018 at 06:24:09PM +, Ard Biesheuvel wrote: >> >> On 2 March 2018 at 16:54, Greg KH wrote: ... >> >> > Please test on

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Greg KH
On Tue, Mar 13, 2018 at 10:13:26AM +, Ard Biesheuvel wrote: > On 13 March 2018 at 10:04, Greg KH wrote: > > On Wed, Mar 07, 2018 at 06:24:09PM +, Ard Biesheuvel wrote: > >> On 2 March 2018 at 16:54, Greg KH wrote: > >> > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: > >> >> >

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Ard Biesheuvel
On 13 March 2018 at 10:04, Greg KH wrote: > On Wed, Mar 07, 2018 at 06:24:09PM +, Ard Biesheuvel wrote: >> On 2 March 2018 at 16:54, Greg KH wrote: >> > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: >> >> >> >> >> >> On 03/01/2018 11:24 PM, Greg KH wrote: >> >> > On Wed, Feb 28, 2

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Greg KH
On Wed, Mar 07, 2018 at 06:24:09PM +, Ard Biesheuvel wrote: > On 2 March 2018 at 16:54, Greg KH wrote: > > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: > >> > >> > >> On 03/01/2018 11:24 PM, Greg KH wrote: > >> > On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: > >> >> Hi

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-13 Thread Greg KH
On Tue, Mar 06, 2018 at 09:31:29PM +, Mark Brown wrote: > On Tue, Mar 06, 2018 at 09:25:25AM -0800, Greg KH wrote: > > On Tue, Mar 06, 2018 at 02:26:34PM +, Mark Brown wrote: > > Really? Like what? Last I looked it's only about 300 or so patches. > > Something like less than .5% of the no

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-07 Thread Ard Biesheuvel
On 2 March 2018 at 16:54, Greg KH wrote: > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: >> >> >> On 03/01/2018 11:24 PM, Greg KH wrote: >> > On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: >> >> Hi All, >> >> >> >> This backport patchset fixed the meltdown issue, it's origin

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-06 Thread Alex Shi
On 03/07/2018 01:25 AM, Greg KH wrote: > I suggest looking at the backports in the android-common tree that are > needed for this "feature" to work properly, and pull them out and test > them if you really want it in your Linaro trees. If you think some of > them should be added to the LTS kerne

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-06 Thread Alex Shi
>>> But really, I don't see this need as all ARM devices that I know of that >>> are stuck on 4.9.y are already using the android-common tree. Same for >>> 4.4.y. Do you know of any that are not, and that can not just use >>> 4.14.y instead? >> >> There's way more to ARM than just Android system

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-06 Thread Mark Brown
On Tue, Mar 06, 2018 at 09:25:25AM -0800, Greg KH wrote: > On Tue, Mar 06, 2018 at 02:26:34PM +, Mark Brown wrote: > > I'm not far enough into the details to comment on the specifics here; > > there's other people in the CCs who are. Let's let people look at the > > code and see if they think

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-06 Thread Greg KH
On Tue, Mar 06, 2018 at 02:26:34PM +, Mark Brown wrote: > On Mon, Mar 05, 2018 at 02:08:59PM +0100, Greg KH wrote: > > > I know there is lots more than Android to ARM, but the huge majority by > > quantity is Android. > > > What I'm saying here is look at all of the backports that were requir

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-06 Thread Mark Brown
On Mon, Mar 05, 2018 at 02:08:59PM +0100, Greg KH wrote: > I know there is lots more than Android to ARM, but the huge majority by > quantity is Android. > What I'm saying here is look at all of the backports that were required > to get this working in the android tree. It was non-trivial by a l

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-05 Thread Greg KH
On Mon, Mar 05, 2018 at 12:46:38PM +, Mark Brown wrote: > On Fri, Mar 02, 2018 at 05:54:15PM +0100, Greg KH wrote: > > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: > > > On 03/01/2018 11:24 PM, Greg KH wrote: > > > > > And why are you making this patchset up? What is wrong with t

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-05 Thread Mark Brown
On Fri, Mar 02, 2018 at 05:54:15PM +0100, Greg KH wrote: > On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: > > On 03/01/2018 11:24 PM, Greg KH wrote: > > > And why are you making this patchset up? What is wrong with the patches > > > in the android-common tree for this? > > We believe

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-02 Thread Greg KH
On Fri, Mar 02, 2018 at 05:14:50PM +0800, Alex Shi wrote: > > > On 03/01/2018 11:24 PM, Greg KH wrote: > > On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: > >> Hi All, > >> > >> This backport patchset fixed the meltdown issue, it's original branch: > >> https://git.kernel.org/pub/scm/li

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-02 Thread Marc Zyngier
On Fri, 02 Mar 2018 09:14:50 +, Alex Shi wrote: > > > > On 03/01/2018 11:24 PM, Greg KH wrote: > > On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: > >> Hi All, > >> > >> This backport patchset fixed the meltdown issue, it's original branch: > >> https://git.kernel.org/pub/scm/linux

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-02 Thread Alex Shi
On 03/01/2018 11:24 PM, Greg KH wrote: > On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: >> Hi All, >> >> This backport patchset fixed the meltdown issue, it's original branch: >> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=kpti >> A few dependency or fixingpa

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-03-01 Thread Greg KH
On Wed, Feb 28, 2018 at 11:56:22AM +0800, Alex Shi wrote: > Hi All, > > This backport patchset fixed the meltdown issue, it's original branch: > https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=kpti > A few dependency or fixingpatches are also picked up, if they are necessary

Re: [PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-02-27 Thread Alex Shi
On 02/28/2018 11:56 AM, Alex Shi wrote: > The patchset also on repository: > git://git.linaro.org/kernel/linux-linaro-stable.git lts-4.9-spectrevv2 Sorry, the correct branch address is here: https://git.linaro.org/kernel/speculation-fixes-staging.git v4.9-meltdown Thanks Alex

[PATCH 0/29] arm meltdown fix backporting review for lts 4.9

2018-02-27 Thread Alex Shi
Hi All, This backport patchset fixed the meltdown issue, it's original branch: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=kpti A few dependency or fixingpatches are also picked up, if they are necessary and no functional changes. The patchset also on repository: