Re: [PATCH] powerpc/pseries: Fix xive=off command line

2019-05-17 Thread Greg Kurz
On Wed, 15 May 2019 10:54:42 + Sasha Levin wrote: > Hi, > Hi, > [This is an automated email] > > This commit has been processed because it contains a "Fixes:" tag, > fixing commit: eac1e731b59e powerpc/xive: guest exploitation of the XIVE > interrupt controller. > > The bot has tested t

Re: [PATCH] powerpc/pseries: Fix xive=off command line

2019-05-15 Thread Cédric Le Goater
On 5/15/19 12:05 PM, Greg Kurz wrote: > On POWER9, if the hypervisor supports XIVE exploitation mode, the guest OS > will unconditionally requests for the XIVE interrupt mode even if XIVE was > deactivated with the kernel command line xive=off. Later on, when the spapr > XIVE init code handles xive

[PATCH] powerpc/pseries: Fix xive=off command line

2019-05-15 Thread Greg Kurz
On POWER9, if the hypervisor supports XIVE exploitation mode, the guest OS will unconditionally requests for the XIVE interrupt mode even if XIVE was deactivated with the kernel command line xive=off. Later on, when the spapr XIVE init code handles xive=off, it disables XIVE and tries to fall back