[PATCH 6/10] lguest code: the little linux hypervisor.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Andi Kleen wrote:
>> Yes, it is a bit, umm, innovative.  If it is going to be kept, even if 
>> just for devel logging, you should disable interrupts around it.  
>> Changing segments is not a normal thing to do.
>>     
>
> Actually that wouldn't be needed because interrupts are not allowed to do any 
> user accesses. And contrary to the name it doesn't actually change
> the segment registers, only state used by *_user.
>   

My bad, I fell for the same mistake as everyone.  Set_fs is just way too 
confusing of a name now.  But good to know interrupts must be disable in 
such a circumstance.

Zach


[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux