From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Date: Sat, 11 Sep 2021 14:35:49 +0000 Subject: Re: [PATCH AUTOSEL 5.14 38/99] KVM: PPC: Book3S HV: XICS: Fix mapping of passthrough interrupts Message-Id: List-Id: References: <20210910001558.173296-1-sashal@kernel.org> <20210910001558.173296-38-sashal@kernel.org> <27739836-bad2-6b3f-7f40-e84663fbbf24@kaod.org> In-Reply-To: <27739836-bad2-6b3f-7f40-e84663fbbf24@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: =?iso-8859-1?Q?C=E9dric?= Le Goater Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Michael Ellerman , kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org On Fri, Sep 10, 2021 at 07:48:18AM +0200, C=E9dric Le Goater wrote: >On 9/10/21 2:14 AM, Sasha Levin wrote: >> From: C=E9dric Le Goater >> >> [ 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: C=E9dric Le Goater >> Signed-off-by: Michael Ellerman >> Link: https://lore.kernel.org/r/20210701132750.1475580-31-clg@kaod.org >> Signed-off-by: Sasha Levin > > >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? --=20 Thanks, Sasha