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Andy Lutomirski authored
On Xen PV, SWAPGS doesn't work. Teach __rdfsbase_inactive() and __wrgsbase_inactive() to use rdmsrl()/wrmsrl() on Xen PV. The Xen pvop code will understand this and issue the correct hypercalls. Signed-off-by:
Andy Lutomirski <luto@kernel.org> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/f07c08f178fe9711915862b656722a207cd52c28.1593192140.git.luto@kernel.org
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