[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/3] x86/pv: Avoid locked bit manipulation in register_guest_callback()
>>> On 15.03.18 at 12:58, <andrew.cooper3@xxxxxxxxxx> wrote: > Changes to arch.vgc_flags are made to current in syncrhonous context only, and > don't need to be locked. (The only other changes are via > arch_set_info_guest(), which operates on descheduled vcpus only). > > Replace the {set,clear}_bit() calls with compiler-visible bitwise > operations. > > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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