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Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid <-> apicid mapping

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid <-> apicid mapping
Date 2016-10-07 13:10 +0200
Message-ID <spBcl-7XV-15@gated-at.bofh.it> (permalink)
References (2 earlier) <sor5o-70H-17@gated-at.bofh.it> <soV3s-209-9@gated-at.bofh.it> <sp8WJ-3H5-7@gated-at.bofh.it> <spbUB-5Qv-25@gated-at.bofh.it> <spooO-6tZ-13@gated-at.bofh.it>
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On Thu, 6 Oct 2016, Yinghai Lu wrote:
> On Thu, Oct 6, 2016 at 1:06 AM, Dou Liyang <douly.fnst@cn.fujitsu.com> wrote:
> Yes, that should work. but should do the same thing for x2apic
> 
> in acpi_parse_x2apic should have
> 
> > +       if (processor->local_apic_id == -1) {
> > +               ++disabled_cpus;
> > +               return -EINVAL;
> > +       }
> 
> that is the reason why i want to extend acpi_register_lapic()
> to take extra disabled_id (one is 0xff and another is 0xffffffff)
> so could save some lines.

That just makes the code harder to follow and is not really worth the
trouble.

Thanks,

	tglx

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Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Yinghai Lu <yinghai@kernel.org> - 2016-10-04 08:10 +0200
  Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-05 16:10 +0200
    Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Yinghai Lu <yinghai@kernel.org> - 2016-10-06 07:00 +0200
      Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Dou Liyang <douly.fnst@cn.fujitsu.com> - 2016-10-06 10:10 +0200
        Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Yinghai Lu <yinghai@kernel.org> - 2016-10-06 23:30 +0200
          Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Dou Liyang <douly.fnst@cn.fujitsu.com> - 2016-10-07 06:40 +0200
            Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-07 15:00 +0200
              Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-07 15:10 +0200
                Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Yinghai Lu <yinghai@kernel.org> - 2016-10-07 21:00 +0200
                Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Dou Liyang <douly.fnst@cn.fujitsu.com> - 2016-10-08 07:30 +0200
          Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-07 13:10 +0200
          Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-07 13:10 +0200
        Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Thomas Gleixner <tglx@linutronix.de> - 2016-10-07 15:20 +0200
          Re: [tip:x86/apic] x86/acpi: Introduce persistent storage for cpuid  <-> apicid mapping Dou Liyang <douly.fnst@cn.fujitsu.com> - 2016-10-08 06:20 +0200

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