Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1449540
| From | Heiko Carstens <heiko.carstens@de.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? |
| Date | 2016-07-25 16:30 +0200 |
| Message-ID | <rYP3k-5F3-19@gated-at.bofh.it> (permalink) |
| References | <rWqsq-4uI-1@gated-at.bofh.it> <rWyzE-1G2-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jul 19, 2016 at 10:25:42AM +0200, Christian Borntraeger wrote: > On 07/19/2016 01:47 AM, Andy Lutomirski wrote: > > Hi all- > > > > There are four core patches needed for the THREAD_INFO_IN_TASK thing, > > and they apply cleanly to -mm now. The x86 patch to flip the feature > > on does not apply cleanly anywhere because it depends on changes in > > -tip *and* in -mm. I'd like to get all of this as well as the rest of > > the vmap-stacks stuff in by 4.9, but I'm wondering if it might make > > sense to get the core THREAD_INFO_IN_TASK stuff into -mm for 4.8 > > instead. > > > > Pros: > > - It reduces the amount of core code that -tip will have to carry until 4.9. > > - It may benefit other architectures. Christian Borntraeger > > expressed an interest in enabling the feature for s390, but it'll be > > awkward for him until the core bit landed. Similarly, arm64 seems to > > be interested. > > I have not yet talked to Martin/Heiko about this, so not sure yet if and when > s390 is going to use this - so no pressure from our side yet. I wrote a patch four weeks ago which converts s390 based on Linus' orginal patches. So yes, we will convert s390 as soon as this hits upstream.
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? Andy Lutomirski <luto@kernel.org> - 2016-07-19 01:50 +0200
Re: Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? Christian Borntraeger <borntraeger@de.ibm.com> - 2016-07-19 10:30 +0200
Re: Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? Heiko Carstens <heiko.carstens@de.ibm.com> - 2016-07-25 16:30 +0200
Re: Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? Mark Rutland <mark.rutland@arm.com> - 2016-07-19 13:30 +0200
Re: Is THREAD_INFO_IN_TASK appropriate for -mm for 4.8? Ingo Molnar <mingo@kernel.org> - 2016-07-20 09:50 +0200
csiph-web