Re: [PATCH AUTOSEL 5.14 38/99] KVM: PPC: Book3S HV: XICS: Fix mapping of passthrough interrupts
Sasha Levin <[email protected]>
| Newsgroups | org.kernel.vger.kvm-ppc,org.kernel.vger.linux-kernel,org.kernel.vger.stable,org.ozlabs.lists.linuxppc-dev |
|---|---|
| Message-ID | <YTy+xUtEEpln2Sq4@sashalap> |
On Fri, Sep 10, 2021 at 07:48:18AM +0200, Cédric Le Goater wrote: >On 9/10/21 2:14 AM, Sasha Levin wrote: >> From: Cédric Le Goater <[email protected]> >> >> [ Upstream commit 1753081f2d445f9157550692fcc4221cd3ff0958 ] >> >> PCI MSIs now live in an MSI domain but the underlying calls, which >> will EOI the interrupt in real mode, need an HW IRQ number mapped in >> the XICS IRQ domain. Grab it there. >> >> Signed-off-by: Cédric Le Goater <[email protected]> >> Signed-off-by: Michael Ellerman <[email protected]> >> Link: https://lore.kernel.org/r/[email protected] >> Signed-off-by: Sasha Levin <[email protected]> > > >Why are we backporting this patch in stable trees ? > >It should be fine but to compile, we need a partial backport of commit >51be9e51a800 ("KVM: PPC: Book3S HV: XIVE: Fix mapping of passthrough >interrupts") which exports irq_get_default_host(). Or, I can drop it if it makes no sense? -- Thanks, Sasha