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

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Message-ID: <alpine.DEB.2.20.1801260731370.2203@nanos>
Date:   Fri, 26 Jan 2018 07:33:58 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Wanpeng Li <wanpeng.li@...mail.com>
cc:     "Arisetty, Chakravarthy" <Chakravarthy.Arisetty@...sat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Uberoy, Pawan" <Pawan.Uberoy@...sat.com>,
        "Mani, Somnath" <Somnath.Mani@...sat.com>,
        "Rich, Dennis" <Dennis.Rich@...sat.com>
Subject: Re: Back porting preemption timer patches from 4.13 to 4.9 RT
 kernel

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:
> >> IIRC，the 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://lkml.org/lkml/2017/6/29/604<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. And please
stop top posting and trim your replies.

Thanks,

	tglx