On Fri, May 15, 2020 at 11:29:13PM +0200, Thomas Gleixner wrote: > Thomas Gleixner <[email protected]> writes: > > > From: Frederic Weisbecker <[email protected]> > > This changelog was very empty. Here is what Peter provided: > > When using nmi_enter() recursively, arch_nmi_enter() must also be recursion > safe. In particular, it must be ensured that HCR_TGE is always set while in > NMI context when in HYP mode, and be restored to it's former state when > done. > > The current code fails this when interleaved wrong. Notably it overwrites > the original hcr state on nesting. > > Introduce a nesting counter to make sure to store the original value.
Nice! Thanks.
