Re: [4.4rt3] Preemption disabled at:[<ffff8000000aba44>] kvm_vcpu_ioctl+0x30c/0x750

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

 



* Josh Cartwright | 2016-02-10 10:39:30 [-0600]:

>If the concern is touching the wrong per-CPU GIC distributor registers,
>it should be sufficient on -rt to downgrade the preempt_disable() /
>preempt_enable() to a migrate_disable() / migrate_enable(), which is
>preemptible, but prevents the task from moving to another CPU.

Thanks Josh. Could you please post a patch with sign-of-by and
everything?

>
>  Josh

Sebastian
--
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [RT Stable]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]

  Powered by Linux