Re: Grub-devel Digest, Vol 163, Issue 18

[Oleksii Kurochko]

After all there is only one interrupt controller, keyboard, PCI bus,
video card, etc (at least usually).

Generally this is not problem because of each CPU has own APIC and we can handle some interrupts in one OS and some in other OS.

ср, 20 сент. 2017 г. в 19:01, <address@hidden>:

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Today's Topics:

   1. Boot 2 Linux simultineously (Oleksii Kurochko)
   2. Re: Boot 2 Linux simultineously (Lennart Sorensen)


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Message: 1
Date: Wed, 20 Sep 2017 12:20:54 +0000
From: Oleksii Kurochko <address@hidden>
To: address@hidden
Subject: Boot 2 Linux simultineously
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset="utf-8"

Hello.

I want to boot on each processor ( 2 CPUs ) Linux kernel.

By fast looking on it I did not see any SMP patches.
Is it some SMP support in the GRUB?

With best regards,
 inisider
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Message: 2
Date: Wed, 20 Sep 2017 10:43:17 -0400
From: address@hidden (Lennart Sorensen)
To: The development of GNU GRUB <address@hidden>
Subject: Re: Boot 2 Linux simultineously
Message-ID: <address@hidden>
Content-Type: text/plain; charset=us-ascii

On Wed, Sep 20, 2017 at 12:20:54PM +0000, Oleksii Kurochko wrote:
> I want to boot on each processor ( 2 CPUs ) Linux kernel.
>
> By fast looking on it I did not see any SMP patches.
> Is it some SMP support in the GRUB?

You can only boot one OS on a machine unless you use virtualization.

After all there is only one interrupt controller, keyboard, PCI bus,
video card, etc (at least usually).

grub boots one OS since that is all you can do on normal hardware.

--
Len Sorensen



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End of Grub-devel Digest, Vol 163, Issue 18
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