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[Xen-devel] Re: [PATCH v2.0 5/6] Handler m2p table and frametable fault
| To: | <keir.fraser@xxxxxxxxxxxxx>,<yunhong.jiang@xxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH v2.0 5/6] Handler m2p table and frametable fault in pagefault handler |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | Thu, 09 Jul 2009 12:06:36 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 09 Jul 2009 04:07:18 -0700 |
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>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 07/08/09 9:44 AM >>>
>+int pagefault_by_memadd(unsigned long addr, struct cpu_user_regs *regs)
>+{
>+ if ( guest_mode(regs) )
>+ {
>+ if ( ((addr >= RO_MPT_VIRT_START) && (addr < RO_MPT_VIRT_END)) )
>+ return 1;
>+ }
>+ else
>+ {
>+ if ( (addr >= RO_MPT_VIRT_START) && (addr < RDWR_MPT_VIRT_END) )
RDWR_...?
Jan
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