| commit | 835806f1f97a840d27e9c2e24c678af6e12b2dc4 | |
| author | Cédric Le Goater <clg@kaod.org> | |
| Wed, 2 Mar 2022 05:51:39 +0000 (2 06:51 +0100) | ||
| committer | Cédric Le Goater <clg@kaod.org> | |
| Wed, 2 Mar 2022 05:51:39 +0000 (2 06:51 +0100) | ||
| tree | 8c49c2d22daa937bfa8a3f7c3ce6da808cdef7fa | treesnapshot (tar.gz zip) |
| parent | e16032b8dc56332096111ce02741a03c88c7be43 | commitdiff |
pnv/xive2: Add support for automatic save&restore
The XIVE interrupt controller on P10 can automatically save and
restore the state of the interrupt registers under the internal NVP
structure representing the VCPU. This saves a costly store/load in
guest entries and exits.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The XIVE interrupt controller on P10 can automatically save and
restore the state of the interrupt registers under the internal NVP
structure representing the VCPU. This saves a costly store/load in
guest entries and exits.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>