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From: Julien Grall <julien.grall@arm.com>
To: Andrii Anisov <andrii.anisov@globallogic.com>,
	embedded-pv-devel@lists.xenproject.org
Cc: Iurii Konovalenko <iurii.konovalenko@globallogic.com>,
	xen-devel@lists.xen.org
Subject: Re: [PATCH RFC 15/18] arm: Add ability to relocate Xen in over 4GB space
Date: Tue, 24 May 2016 18:18:32 +0100	[thread overview]
Message-ID: <57448CE8.9050700@arm.com> (raw)
In-Reply-To: <1463589161-4153-16-git-send-email-andrii.anisov@globallogic.com>

Hello,

On 18/05/16 17:32, Andrii Anisov wrote:
> diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> index 48f734f..7e507bc 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -394,9 +394,13 @@ static paddr_t __init get_xen_paddr(void)
>           const struct membank *bank = &mi->bank[i];
>           paddr_t s, e;
>
> +        //TODO: investigate reason why we need contiguous memory
> +        //and how it can affect relocation of Xen in over 4GB space

Xen ARM was not able to support sparse memory before Xen 4.5. I.e only 
contiguous banks were supported. Xen had to be relocated on those banks 
to avoid issues when the init memory was released.

I believe this is not necessary anymore. Can you send this fix in a 
separate patch?

> +#ifndef ARM32_RELOCATE_OVER_4GB
>           /* We can only deal with contiguous memory at the moment */
>           if ( last_end != bank->start )
>               break;
> +#endif
>
>           last_end = bank->start + bank->size;
>

Regards,

-- 
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel

  parent reply	other threads:[~2016-05-24 17:18 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-18 16:32 [PATCH RFC 00/18] System adjustment to customer needs Andrii Anisov
2016-05-18 16:32 ` [PATCH RFC 01/18] xen/tools: Fix virtual disks helper scripts Andrii Anisov
2016-05-19 11:34   ` Wei Liu
2016-05-19 20:54     ` Andrii Anisov
2016-05-19 22:58       ` Wei Liu
2016-05-20  8:30         ` Andrii Anisov
2016-05-18 16:32 ` [PATCH RFC 02/18] kbdif: add raw events passing Andrii Anisov
2016-05-19  9:28   ` Jan Beulich
2016-05-18 16:32 ` [PATCH RFC 03/18] xen/arm: allow to allocate 1/128/256/512 Mb memory chunks Andrii Anisov
2016-05-19 11:10   ` Julien Grall
2016-05-18 16:32 ` [PATCH RFC 04/18] libxl: add ability to set rambase_pfn via cfg file Andrii Anisov
2016-05-19 11:34   ` Wei Liu
2016-05-19 11:36   ` Julien Grall
2016-05-18 16:32 ` [PATCH RFC 05/18] xen/arm: allow reassigning of hw interrupts to guest domain Andrii Anisov
2016-05-19 12:19   ` Julien Grall
2016-05-18 16:32 ` [PATCH RFC 06/18] libxl: parse config data during domain reboot Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 07/18] tools/misc: Modify Xen watchdog daemon Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 08/18] tools/misc: Set timeout value from " Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 09/18] tools: Allow to cross-compile xentop Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 10/18] xen: arm: add batch support to the XENMEM_p2m_lookup operation Andrii Anisov
2016-05-19  9:36   ` Jan Beulich
2016-05-18 16:32 ` [PATCH RFC 11/18] arm: Fix 1-to-1 Dom0 memory allocation of any size Andrii Anisov
2016-05-18 16:32 ` [PATCH RFC 12/18] libxl: Fix unneeded domain reboot during destroy routine Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 13/18] xen: introduce and use 'dom0_rambase_pfn' setting for kernel Dom0 Andrii Anisov
2016-05-19  9:41   ` Jan Beulich
2016-05-19 12:26     ` Julien Grall
2016-05-19 12:50       ` Jan Beulich
2016-05-19 13:39   ` Julien Grall
2016-05-19 13:58     ` Oleksandr Dmytryshyn
2016-05-19 14:34       ` Julien Grall
2016-05-20  8:39         ` Oleksandr Dmytryshyn
2016-05-19 14:36       ` Jan Beulich
2016-05-20  8:45         ` Oleksandr Dmytryshyn
2016-05-20  9:59           ` Jan Beulich
2016-05-20 14:19             ` Oleksandr Dmytryshyn
2016-05-20 15:04               ` Julien Grall
2016-05-20 16:05                 ` Edgar E. Iglesias
2016-05-23  9:52                   ` Oleksandr Dmytryshyn
2016-05-30 11:07                   ` Stefano Stabellini
2016-05-31 14:04                   ` Oleksandr Dmytryshyn
2016-06-01 14:01                     ` Edgar E. Iglesias
2016-05-18 16:32 ` [PATCH RFC 14/18] xen: flask: Add possiblity to forward irqs into domU domains Andrii Anisov
2016-05-18 16:32 ` [PATCH RFC 15/18] arm: Add ability to relocate Xen in over 4GB space Andrii Anisov
2016-05-19  9:42   ` Jan Beulich
2016-05-19 13:53   ` Julien Grall
2016-05-24 17:18   ` Julien Grall [this message]
2016-05-18 16:32 ` [PATCH RFC 16/18] xen: Add dom0_mem_high option & over 4GB memory allocation for Dom0 Andrii Anisov
2016-05-18 16:32 ` [PATCH RFC 17/18] tools: Introduce ARM32_SEPAR_MEM_SPLIT option Andrii Anisov
2016-05-19 11:35   ` Wei Liu
2016-05-18 16:32 ` [PATCH RFC 18/18] arm: Add ability to allocate Xen heap in lowmem Andrii Anisov
2016-05-18 17:26 ` [PATCH RFC 00/18] System adjustment to customer needs Julien Grall
2016-05-19 19:45   ` Andrii Anisov
2016-05-18 19:17 ` [Embedded-pv-devel] " Meng Xu
2016-05-19 11:00   ` Julien Grall
2016-05-19 21:28     ` Andrii Anisov
2016-05-20 10:33       ` Julien Grall
2016-05-20 16:24         ` Andrii Anisov
2016-05-23  9:19           ` Julien Grall
2016-05-20 17:09         ` Andrii Anisov
2016-05-23  9:13           ` Julien Grall
2016-05-19 22:08     ` Andrii Anisov
2016-05-19 21:53   ` Andrii Anisov
2016-05-20 15:21     ` Meng Xu
2016-05-20 17:23       ` Andrii Anisov
2016-05-20 17:28         ` Meng Xu
2016-05-21 14:32       ` Julien Grall
2016-05-21 14:52         ` Meng Xu

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