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From: Julien Grall <julien@xen.org>
To: Penny Zheng <penny.zheng@arm.com>,
	xen-devel@lists.xenproject.org, sstabellini@kernel.org
Cc: Bertrand.Marquis@arm.com, Wei.Chen@arm.com, nd@arm.com
Subject: Re: [PATCH V4 05/10] xen/arm: static memory initialization
Date: Fri, 13 Aug 2021 13:38:02 +0100	[thread overview]
Message-ID: <0fb3df68-c94c-c4da-bcd1-f1fbdf429d37@xen.org> (raw)
In-Reply-To: <20210728102758.3269446-6-penny.zheng@arm.com>

Hi Penny,

On 28/07/2021 11:27, Penny Zheng wrote:
> +/* Static memory initialization */
> +static void __init init_staticmem_pages(void)
> +{
> +    unsigned int bank;
> +
> +    /* TODO: Considering NUMA-support scenario. */

I forgot to ask about this. What do you expect to be different with NUMA?

> +    for ( bank = 0 ; bank < bootinfo.static_mem.nr_banks; bank++ )
> +    {
> +        unsigned long bank_start = PFN_UP(bootinfo.static_mem.bank[bank].start);
> +        unsigned long bank_size = PFN_DOWN(bootinfo.static_mem.bank[bank].size);
> +        unsigned long bank_end = bank_start + bank_size;
> +
> +        if ( bank_end <= bank_start )
> +            return;
> +
> +        free_staticmem_pages(mfn_to_page(_mfn(bank_start)),
> +                             bank_size, false);
> +    }
> +}
> +

Cheers,

-- 
Julien Grall


  parent reply	other threads:[~2021-08-13 12:38 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 10:27 [PATCH V4 00/10] Domain on Static Allocation Penny Zheng
2021-07-28 10:27 ` [PATCH V4 01/10] xen/arm: introduce domain " Penny Zheng
2021-08-11 13:32   ` Julien Grall
2021-08-16  5:21     ` Penny Zheng
2021-08-16 17:27       ` Julien Grall
2021-08-17  2:28         ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 02/10] xen/arm: introduce new helper device_tree_get_meminfo Penny Zheng
2021-08-11 13:35   ` Julien Grall
2021-08-16  5:27     ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 03/10] xen/arm: handle static memory in dt_unreserved_regions Penny Zheng
2021-08-11 13:48   ` Julien Grall
2021-08-16  6:00     ` Penny Zheng
2021-08-16 17:33       ` Julien Grall
2021-07-28 10:27 ` [PATCH V4 04/10] xen: introduce mark_page_free Penny Zheng
2021-08-11 14:08   ` Julien Grall
2021-07-28 10:27 ` [PATCH V4 05/10] xen/arm: static memory initialization Penny Zheng
2021-08-04 15:54   ` Jan Beulich
2021-08-13 12:20   ` Julien Grall
2021-08-16  6:12     ` Penny Zheng
2021-08-13 12:38   ` Julien Grall [this message]
2021-08-16  7:00     ` Wei Chen
2021-07-28 10:27 ` [PATCH V4 06/10] xen/arm: introduce PGC_reserved Penny Zheng
2021-08-13 12:21   ` Julien Grall
2021-08-16  6:13     ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 07/10] xen: re-define assign_pages and introduce assign_page Penny Zheng
2021-08-05  6:34   ` Jan Beulich
2021-08-13 12:27   ` Julien Grall
2021-08-13 12:32     ` Jan Beulich
2021-08-17  8:21     ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 08/10] xen/arm: introduce acquire_staticmem_pages and acquire_domstatic_pages Penny Zheng
2021-08-05  6:52   ` Jan Beulich
2021-08-13 13:00   ` Julien Grall
2021-08-16  6:43     ` Penny Zheng
2021-08-16 17:43       ` Julien Grall
2021-08-17  2:33         ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 09/10] xen/arm: check "xen,static-mem" property during domain construction Penny Zheng
2021-08-13 13:12   ` Julien Grall
2021-08-16  6:53     ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 10/10] xen/arm: introduce allocate_static_memory Penny Zheng
2021-08-13 13:36   ` Julien Grall
2021-08-16  7:51     ` Penny Zheng
2021-08-16 17:55       ` Julien Grall
2021-08-17  2:36         ` Penny Zheng
2021-07-28 10:27 ` [PATCH V4 04/10] xen: introduce mark_page_free Penny Zheng

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