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List:       xen-users
Subject:    [Xen-users] Cannot map over 508 grant reference in Mini-OS
From:       Wang Cheng <wangch.will () gmail ! com>
Date:       2018-09-19 9:30:44
Message-ID: CAF8Y5ecLUecvQvgjUDt9qy29R6h0D6mV8JBvRDvGsDszu6mNFg () mail ! gmail ! com
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I tried to map a large number of grant references in Mini-OS using
"gntmap_map_grant_refs". However, this function fails if count is bigger
than 508. I checked xl dmesg, and it says

(XEN) mm.c:4012:d5v0 Could not find L1 PTE for address 40200000

Is this a Mini-OS bug?

-- 
Regards,
Wang Cheng

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<div dir="ltr"><div dir="ltr"><div dir="ltr">I tried to map a large number of grant \
references in Mini-OS using &quot;gntmap_map_grant_refs&quot;. However, this function \
fails if count is bigger than 508. I checked xl dmesg, and it says</div><div \
dir="ltr"><br></div><div dir="ltr">(XEN) mm.c:4012:d5v0 Could not find L1 PTE for \
address 40200000</div><div dir="ltr"><br></div><div>Is this a Mini-OS bug?<br \
clear="all"></div><div dir="ltr"><div><br>-- <br><div dir="ltr" \
class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Regards,<br><div>Wang \
Cheng</div></div></div></div></div></div></div></div></div>


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