Re: Back porting preemption timer patches from 4.13 to 4.9 RT kernel

From: Arisetty, Chakravarthy
Date: Fri Jan 26 2018 - 14:52:49 EST




ïOn 1/25/18, 10:34 PM, "Thomas Gleixner" <tglx@xxxxxxxxxxxxx> wrote:

On Fri, 26 Jan 2018, Wanpeng Li wrote:

> > > >Folks, can you please stop this corporate email style nonsense?

> On 1/26/18 12:55 AM, Arisetty, Chakravarthy wrote:
> >> IIRCïthe race which KVM: LAPIC: Fix reentrancy issues with preempt notifiers<https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_stable_linux-2Dstable.git_commit_arch_x86_kvm_lapic.c-3Fh-3Dlinux-2D4.13.y-26id-3D1d518c6820daf4e00d29adfba980aee05f605f0f&d=DwMGaQ&c=jcv3orpCsv7C4ly8-ubDob57ycZ4jvhoYZNDBA06fPk&r=Ffjvk4Y8xEf_-aLPhDRUD2drOoDsZ0R_uiCBYAvmwAY&m=HxxYRqfeH8SOgZuryI2hIvUXHNgkHkYSOXflazJS-h8&s=Ucf0XMULwrmlqxf5Q-IEoiZVHM1hkEL2Xz5RRCqUmQA&e=> tries to fix is exposed by refactor restart_apic_timer patchset. If you don't care the latency which https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.org_lkml_2017_6_29_604&d=DwIDaQ&c=jcv3orpCsv7C4ly8-ubDob57ycZ4jvhoYZNDBA06fPk&r=Ffjvk4Y8xEf_-aLPhDRUD2drOoDsZ0R_uiCBYAvmwAY&m=EBYCZh6wt6GGpGerm3mGVpYx2BbZ1oDSNzAozYFbxJY&s=4RQH9NYEfO1Lwusgg_qaTX8-KgmRLqqpAHzOUNdgR6E&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__lkml.org_lkml_2017_6_29_604&d=DwMGaQ&c=jcv3orpCsv7C4ly8-ubDob57ycZ4jvhoYZNDBA06fPk&r=Ffjvk4Y8xEf_-aLPhDRUD2drOoDsZ0R_uiCBYAvmwAY&m=HxxYRqfeH8SOgZuryI2hIvUXHNgkHkYSOXflazJS-h8&s=bdN75Gm8T9CzT4mokKCWPHP8Inl5tibax6aU5mkibBM&e=> patchset tries to reduce, you can ignore the whole patchset and this fix.
>

>> This is absolutely unreadable gunk. It's enough to refer to a commit sha
>> instead of these horrible unformatted html style references.
I provided commit sha in addition to html references. Your email client might not have liked those reference (unfortunately). For some people, it will help easier to see code and I will not get into details/path.
In any cases, I'll stop providing those references in the futures. Thanks for the feedback.

>> And please stop top posting and trim your replies.

Thanks
Chakri


Thanks,

tglx