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From: Jacob Gorm Hansen <jacob@melon.dk>
To: Xen list <xen-devel@lists.sourceforge.net>
Subject: HYPERVISOR_update_va_mapping in mm/memory.c
Date: Thu, 05 Feb 2004 18:16:24 +0100	[thread overview]
Message-ID: <1076001384.16847.20.camel@jacobg> (raw)

hi,

I am trying to guess the purpose of the calls to
HYPERVISOR_update_va_mapping in mm/memory.c, or rather why this code
(which apparently handles user space demand paging) uses a special
hypercall rather than the usual pte-update calls.

Could anyone briefly explain to me what this hypercall does, and why it
needs to be special?

thanks,
Jacob



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             reply	other threads:[~2004-02-05 17:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-05 17:16 Jacob Gorm Hansen [this message]
2004-02-05 17:43 ` HYPERVISOR_update_va_mapping in mm/memory.c Keir Fraser
  -- strict thread matches above, loose matches on Subject: below --
2004-02-05 17:15 Jacob Gorm Hansen

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