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| Started by | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| First post | 2015-10-09 16:20 +0200 |
| Last post | 2015-10-09 22:50 +0200 |
| Articles | 3 — 2 participants |
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Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[] mapping Thomas Gleixner <tglx@linutronix.de> - 2015-10-09 16:20 +0200
Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[] mapping Jiang Liu <jiang.liu@linux.intel.com> - 2015-10-09 17:20 +0200
Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[] mapping Thomas Gleixner <tglx@linutronix.de> - 2015-10-09 22:50 +0200
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Date | 2015-10-09 16:20 +0200 |
| Subject | Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[] mapping |
| Message-ID | <qhGGD-4wR-35@gated-at.bofh.it> |
On Mon, 5 Oct 2015, Daniel J Blueman wrote:
> +struct apicid_to_node {
> + int apicid;
> + s16 node;
> +};
Instead of having this array, why don't you use a radix tree and be
done with it?
Thanks,
tglx
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| From | Jiang Liu <jiang.liu@linux.intel.com> |
|---|---|
| Date | 2015-10-09 17:20 +0200 |
| Message-ID | <qhHCG-5Sb-11@gated-at.bofh.it> |
| In reply to | #1243408 |
On 2015/10/9 22:15, Thomas Gleixner wrote:
> On Mon, 5 Oct 2015, Daniel J Blueman wrote:
>> +struct apicid_to_node {
>> + int apicid;
>> + s16 node;
>> +};
>
> Instead of having this array, why don't you use a radix tree and be
> done with it?
Hi Thomas,
It's in early booting stage and memory allocator isn't ready
yet.
Thanks,
Gerry
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| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Date | 2015-10-09 22:50 +0200 |
| Message-ID | <qhMM3-4K6-17@gated-at.bofh.it> |
| In reply to | #1243461 |
On Fri, 9 Oct 2015, Jiang Liu wrote:
> On 2015/10/9 22:15, Thomas Gleixner wrote:
> > On Mon, 5 Oct 2015, Daniel J Blueman wrote:
> >> +struct apicid_to_node {
> >> + int apicid;
> >> + s16 node;
> >> +};
> >
> > Instead of having this array, why don't you use a radix tree and be
> > done with it?
> Hi Thomas,
> It's in early booting stage and memory allocator isn't ready
> yet.
Why do we need that information so early?
Thanks,
tglx
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