linux-kernel - Re: [PATCH V2 1/4] xen/unpopulated-alloc: Drop check for virt_addr_valid() in fill

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Message-ID: <18766b45-5de5-5978-70b8-8582c30230db@oracle.com>
Date:   Thu, 28 Oct 2021 14:57:58 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Oleksandr Tyshchenko <olekstysh@...il.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Julien Grall <julien@....org>
Subject: Re: [PATCH V2 1/4] xen/unpopulated-alloc: Drop check for
 virt_addr_valid() in fill_list()


On 10/26/21 12:05 PM, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
>
> If memremap_pages() succeeds the range is guaranteed to have proper page
> table, there is no need for an additional virt_addr_valid() check.
>
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>